bai giang mon thiet bi mang - 9 chuong
TRANSCRIPT
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
1/538
1
THIT B MNG
GV: ThS. T Nguyn Nht Quang
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
2/538
2
NI DUNG MN HC
Chng 1: C bn v Networking (S3 S35)Chng 2: Mi trng v thit b truyn dn (S36 S59)Chng 3: Thit b lin kt mng (S60 S93)
Chng 4: Router (S94 S172)Chng 5: Switch (S173 S316)Chng 6: Cc giao thc nh tuyn (S317 S380)
Chng 7:Access Control List - ACL (S381 S420)Chng 8: Network Access Translation (S421 S442)Chng 9: Cc cng ngh WAN (S443 S540)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
3/538
3
CHNG 1
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
4/538
4
CBN V NETWORKING
Nhu cu kt ni Internet Cc k hiu (icons) thng dng
Lc mng Phn loi mng
M hnh OSI v TCP/IP Cc h thng s
a ch IP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
5/538
5
Nhu cu kt ni Internet
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
6/538
6
Nhu cu kt ni Internet
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
7/538
7
Cc k hiu thng dng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
8/538
8
Lc mng (Network topology)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
9/538
9
Phn loi mngMng cc b (Local Area Networks - LANs)
C gii hn va l Tc truyn d liu cao Do mt t chc qun l
Sdng k thut Ethernet hoc Token Ring Cc thit b thng dng trong mng lRepeater, Brigde, Hub, Switch, Router.
802.3 Ethernet 802.5 Token Ring
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
10/538
10
Phn loi mngMng cc b (Local Area Networks - LANs)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
11/538
11
Phn loi mngMng thnh ph(Metropolitan Area Network - MANs)
C kch thc vng a l ln hn LAN Do mt t chc qun l Thng dng cp ng trc hoc cp quang
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
12/538
12
Phn loi mngMng din rng (Wide Area Networks - WANs)
L skt ni nhiu LAN Khng c gii hn va l Tc truyn d liu thp Do nhiu t chc qun l Sdng cc k thut Modem, ISDN,
DSL, Frame Relay, ATM
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
13/538
13
Phn loi mngMng din rng (Wide Area Networks - WANs)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
14/538
14
Phn loi mngMng khng dy (Wireless Networking)
Do t chc IEEE xy dng v c t chc Wi-fi Alliance a vo sdng trn ton thgii. C 3 tiu chun: chun 802.11a, chun
802.11b, chun 802.11g (sdng ph bin th trng Vit Nam).
Thit b cho mng khng dy gm 2 loi: cardmng khng dy v b tip sng/im truycp (Access Point - AP).
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
15/538
15
Phn loi mngMng khng dy (Wireless Networking)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
16/538
16
Phn loi mngMng ring o (Virtual Private Networks - VPNs)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
17/538
17
M hnh OSI v TCP/IPM hnh OSI (Open Systems Interconnection)
L do hnh thnh: Sgia tngmnh m v s lng v kchthc mng dn n hintng bt tng thch gia cc
mng. u im ca m hnh OSI:
Gim phc tp Chun ha cc giao tip m bo lin kt hot ng n gin vic dy v hc
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
18/538
18
M hnh OSI v TCP/IPng gi d liu trong m hnh OSI
Data
Segments
Packet
Frame
Bits
Data
Data
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
19/538
19
M hnh OSI v TCP/IPDng d liu trn mng trong m hnh OSI
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
20/538
20
M hnh OSI v TCP/IPM hnh TCP/IP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
21/538
21
M hnh OSI v TCP/IPM hnh TCP/IP Lp ng dng
Kim sot ccgiao thc lpcao, cc ch v trnh
by, biu dinthng tin, mha v iu
khin hithoi. c tcho cc ng
dng phbin.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
22/538
22
M hnh OSI v TCP/IPM hnh TCP/IP Lp Vn chuyn
Cung ng dch v vn chuyn thostngun n host ch. Thit lp mt cuni lun l gia cc u cui ca mng,
gia host truyn v host nhn.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
23/538
23
M hnh OSI v TCP/IPM hnh TCP/IP Lp Internet
Mc ch ca lp Internet l chn ng itt nht xuyn qua mng cho cc gi dliu di chuyn ti ch. Giao thc chnh calp ny l Internet Protocol (IP).
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
24/538
24
M hnh OSI v TCP/IPM hnh TCP/IP Lp Truy nhp mng
nh ra cc th tc giao tip viphn cng mng v truy nhp mitrng truyn. C nhiu giao thchot ng ti lp ny
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
25/538
25
M hnh OSI v TCP/IPCc giao thc trong m hnh TCP/IP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
26/538
26
Cc h thng s H 2 (nh phn): gm 2 k s0, 1 H 8 (bt phn): gm 8 k s0, 1, , 7
H 10 (thp phn): gm 10 k s0, 1,, 9
H 16 (thp lc phn): gm cc k s0, 1, , 9 v cc chci A, B, C, D, E, F
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
27/538
27
Cc h thng sChuyn i gia h nh phn sang h thp phn
101102
= (1 x 24 = 16) + (0 x 23 = 0) + (1 x 22 = 4) +
(1 x 21 = 2) + (0 x 20 = 0) = 22
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
28/538
28
Cc h thng sChuyn i gia h thp phn sang h nh phn
Convert 20110 to binary:201 / 2 = 100 remainder 1100 / 2 = 50 remainder 0
50 / 2 = 25 remainder 025 / 2 = 12 remainder 1
12 / 2 = 6 remainder 0
6 / 2 = 3 remainder 03 / 2 = 1 remainder 1
1 / 2 = 0 remainder 1
When the quotient is 0, take all the remainders inreverse order for your answer: 20110 = 110010012
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
29/538
29
Cc h thng sChuyn i h nh phn sang bt phn v thp lc phn
Nh phn sang bt phn: Gom nhm snh phn thnh tng nhm 3chstnh tphi sang tri. Mi nhm
tng ng vi mt chs h bt phn.V d: 1101100 (2) = 154 (8)
Nh phn sang thp lc phn: Tng tnhnh phn sang bt phn
nhng mi nhm c 4 chs.V d: 1101100
(2)= 6C
(16)
a ch IP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
30/538
30
a ch IP
Khi nim va ch IP
a ch IP l a ch c cu trc vi mtcon sc kch thc 32 bit, chia thnh4 phn mi phn 8 bit gi l octet hoc
byte.V d:
172.16.30.56 10101100 00010000 00011110 00111000.AC 10 1E 38
a ch IP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
31/538
31
a ch IP
Khi nim va ch IP
a ch host l a ch IP c thdng t cho ccinterface ca cc host. Hai host nm cng mt mngs c network_id ging nhau v host_id khc nhau.
a ch mng (network address): l a ch IP dngt cho cc mng. Phn host_id ca a ch chcha cc bit 0. V d 172.29.0.0
a ch Broadcast: l a ch IP c dng idin cho tt c cc host trong mng. Phn host_idch cha cc bit 1. V d 172.29.255.255.
a ch IP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
32/538
32
a ch IP
Cc lp a ch IP
a ch IP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
33/538
33
a ch IP
Cc lp a ch IP
a ch IP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
34/538
34
a ch IP
Cc lp a ch IP
a ch IP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
35/538
35
a ch IP
a ch IP dnh ring
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
36/538
36
CHNG 2
MI TRNG
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
37/538
37
MI TRNG
V THIT B TRUYN DN Mi trng truyn dn Bng thng (Bandwidth) Cc c t v cp Cp ng trc (Coaxial cable) Cp xon i (Twisted pair cable)
Cp STP (Shield Twisted-Pair) Cp UTP (Unshield Twisted-Pair) Cc loi kt ni cp
Cp quang (Fiber Optic Cable) Cc thng sc bn ca cc loi cp
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
38/538
38
Mi trng truyn dn L phng tin vt l cho php truyn
ti tn hiu gia cc thit b. Hai loi phng tin truyn dn chnh:
Hu tuynV tuyn
H thng sdng hai loi tn hiu: DigitalAnalog
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
39/538
39
Bng thng (bandwidth) L lng thng tin c thchy qua mt kt
ni mng trong mt khong thi gian chotrc.
Bng thng l hu hn Bng thng khng min ph Nhu cu bng thng tng khng ngng
Dng tng tbng thng: B rng mt ci ng S ln xe trn ng cao tc
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
40/538
40
Bng thng (bandwidth)
Cc gi l nc
Cc thit b mng l my bm, van, lc, u ni
Bng thng ging ln ca ng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
41/538
41
Bng thng (bandwidth)Bng thng ging s ln xe trn ng cao tc
Cc thit b mng l cc ch dn lu thng, bn
Cc gi ging phng tin giao thng
B th
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
42/538
42
Bng thngn vo lng bng thng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
43/538
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
44/538
44
Cc c t v cp Phm cht cp
Tc truyn s liu Truyn dn bng c bn (Baseband) v bng
rng (Broadband) Truyn dn digital v analog Khong cch truyn dn v ssuy gim ca
tn hiu
Cc c t: Ethernet: 10BASE-T, 10BASE5, 10BASE2 Fast Ethernet: 100BASE-T
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
45/538
45
Cc c t v cp
T: twisted(cp xoni)
5: 500 m 2: 200 m
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
46/538
46
Cp ng trc (Coaxial cable)
V bcLi chn bng ng
Dy dn ng
Cch in
Cu to Phn loi
Thinnet/Thicknet Baseband/
Broadband Thng sk thut
Chiu di cp Tc truyn Nhiu Lp t/bo tr Gi thnh Kt ni
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
47/538
47
Cp ng trc (Coaxial cable) Thicknet:
Cng, khlp t, chiph cao nnt dng.
Thinnet: Chi
ph thp, dlp tnhng nhiu
cao.
Cp xon i
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
48/538
48
Cp xon iCp STP (Shield Twisted-Pair)
V
bc
Chn
ngoi
Chn
trongi xon
V nhac mutheo m
Tc : 10 100Mbps
Gi: va phi Chiu di cp tia: 100 m Chng nhiu tt
Dng cho mng ckch thc trungbnh v ln
Cp xon i
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
49/538
49
Cp xon iCp UTP (Unshield Twisted-Pair)
Vbc
i xon
Nha cchin c mu
theo m
Tc : 10 100 1000 Mbps
Gi: r Chiu di cp tia: 100 m Chng nhiu km
D lp t Dng cho mng c
kch thc nh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
50/538
50
Cc loi kt ni cp
Kt ni km K t ni tt
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
51/538
51
Cc loi kt ni cp
Pin 1Pin 2
Pin 3
Pin 4Pin 5
Pin 6
Pin 7Pin 8
Pin 1Pin 2
Pin 3
Pin 4Pin 5
Pin 6
Pin 7Pin 8
Pin 1Pin 2
Pin 3
Pin 4Pin 5
Pin 6
Pin 7Pin 8
Pin 3Pin 6
Pin 1
Pin 4Pin 5
Pin 2
Pin 7Pin 8
Pin 1Pin 2
Pin 3
Pin 4Pin 5
Pin 6
Pin 7Pin 8
Pin 8Pin 7
Pin 6
Pin 5Pin 4
Pin 3
Pin 2Pin 1
Straight-thru cable Crossover cable Rollover cable
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
52/538
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
53/538
53
Cc loi kt ni cp Sdng cp thng (Straight-through cable)
i vi: Switch Router
Switch PC hoc Server Hub PC hoc Server
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
54/538
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
55/538
55
Cc loi kt ni cp Sdng cp Rollover i vi:
PC Router hoc Switch (cng COM nicng Console)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
56/538
56
Cp quang (Fiber Optic Cable)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
57/538
57
ST Connector c dng vi cp Single-mode. SC Connector c dng vi cp Multimode
Cp quang (Fiber Optic Cable)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
58/538
58
Thng sc bn ca cc loi cp
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
59/538
59
Thng sc bn ca cc loi cp
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
60/538
60
CHNG 3
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
61/538
61
THIT B LIN KT MNG Lab center NIC (Network Interface Card Card mng) Modem (Biu hp) Repeater (B chuyn tip) Hub (Concentrator - B tp trung) Bridge (Cu ni) Switch (B chuyn mch)
Router (Bnh tuyn) Gateway (Cng ni) Thit b mng khng dy Thit b h tr thi cng mng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
62/538
62
Lab center
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
63/538
63
Card mng (NIC)
Kt ni gia my tnh v cp mngpht hoc nhn d liu vi cc
my tnh khc thng qua mng. Kim sot lung d liu gia my
tnh v h thng cp.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
64/538
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
65/538
65
ISA
PCI
Card mng (NIC)
Card ISA 8 bits hoc 16 bits trong khi card PCI 32 bits. Tc bus mc nh ca slot ISA l 8,33MHz (bng
thng 8,33MB/s) v slot PCI l 33,33MHz (bng thng133,33MB/s).
Card ISA phi cu hnh cng bng cc jumper, card PCIc thcu hnh bng phn mm. center
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
66/538
66
Card mng (NIC) Mi NIC c mtm duy nht gi
l a ch MAC(Media Access
Control). MAC address c
6 byte, 3 byteu l m snh
sn xut, 3 bytesau l sserialca card.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
67/538
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
68/538
68
Modem
Modem trongModem ngoi
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
69/538
69
Modem
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
70/538
70
Repeater (b chuyn tip)
Khuch i, phc hi cc tn hiu b suythoi do tn tht nng lng trong khitruyn.
Cho php m rng mng vt xa chiu digii hn ca mt mi trng truyn.
Chc dng ni hai mng c cng giaothc truyn thng.
Hot ng lp Physical.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
71/538
71
Repeater (b chuyn tip)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
72/538
72
Hub (b tp trung) Chc nng nhRepeater nhng m rng hn
vi nhiu u cm cc u cp mng. To ra im kt ni tp trung ni mng
theo kiu hnh sao. Tn hiu c phn phi n tt c cc kt
ni. C 3 loi Hub: thng, chng, thng
minh.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
73/538
73
Hub (b tp trung) Hub thng (Passive Hub): chm bo chc nng kt
ni, khng xl li tn hiu. Hub chng (Active Hub): c kh nng khuch i tn hiu
chng suy hao. Hub thng minh (Intelligent Hub): l Hub chng nhng
c thm kh nng to ra cc gi tin thng bo hot ngca mnh gip cho vic qun tr mng d dng hn.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
74/538
74
Hub (b tp trung)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
75/538
75
Hub (b tp trung)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
76/538
76
Bridge (cu ni)
Dng ni 2 mng c giaothc ging hoc khc nhau. Chia mng thnh nhiu phn
on nhm gim lu lngtrn mng.
Hot ng lp Data Link vi2 chc nng chnh l lc vchuyn vn.
Da trn bng a ch MAC lutr, Brigde kim tra cc gi tinv x l chng trc khi cquyt nh chuyn i haykhng.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
77/538
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
78/538
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
79/538
79
Switch (b chuyn mch)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
80/538
80
Switch (b chuyn mch)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
81/538
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
82/538
82
Router (Bnh tuyn)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
83/538
83
Router (Bnh tuyn)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
84/538
84
Gateway (Proxy - cng ni) Thng dng kt ni cc
mng khng thun nht, chyu l mng LAN vi mng lnbn ngoi chkhng dng ktni LAN LAN.
Kim sot lung d liu ra vo
mng. Hot ng phc tp v chm
hn Router.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
85/538
85
Thit b mng khng dy Cc chun thng dng l:
802.11: tc 1-2 Mbps 802.11b: tc 11 Mbps
802.11a: tng t802.11b Mng khng dy gm 2 thit b:
Cc node (my tnh) c gn wireless NIC. Access point (AC) ng vai tr nhmtcentral hub cho WLAN.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
86/538
86
Thit b mng khng dy
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
87/538
87
Thit b mng khng dy
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
88/538
88
Thit b mng khng dy
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
89/538
89
Thit b mng khng dy
Thit b h tr thi cng mngThit b ki t bl
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
90/538
90
Thit b kim tra cable
Thit b h tr thi cng mngC i d th i
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
91/538
91
Crimp down the wires
Thit b h tr thi cng mngPatch Panel
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
92/538
92
Patch Panel
Thit b h tr thi cng mngWiring block
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
93/538
93
Wiring block
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
94/538
94
CHNG 4
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
95/538
95
ROUTER (bnh tuyn) Chc nng v phn loi Router Wan v Router
Cc thnh phn ca Router Khi ng Router
Mt s lnh c bn Cu hnh cho Router
Chc nng v phn loiCh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
96/538
96
Chc nng Hot ng tng Network. Phn cch cc mng thnh cc segment ringbit:
Gim ng Gim broadcast Bo mt
Kt ni cc mng my tnh cch xa nhau
qua cc ng truyn thng nhin thoi,ISDN, T1, X25
Chc nng v phn loiPh l i
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
97/538
97
Phn loi
Fix configuration routerRemote
access
Low-end
router Multiprotocolrouter
Multiportserialrouter
Router/hub
Cisco 2509Cisco 2510Cisco 2511Cisco 2512AS5xxx
Cisco 500-CS
Cisco 7xxCisco 8xxCisco 100x
Cisco 2501Cisco 2502Cisco 2503Cisco 2504Cisco 2513Cisco 2514Cisco 2515
Cisco 2520Cisco 2521Cisco 2522Cisco 2523
Cisco 2505Cisco 2506Cisco 2507Cisco 2508Cisco 2516Cisco 2518
Cisco 2524Cisco 2525Cisco 160xCisco 17xxCisco 26xxCisco 36xxCisco 4xxx
Cisco 7xxx
Modular
router
Phn loi router ca Cisco
Chc nng v phn loiSeries Cisco Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
98/538
98
Series Cisco Router
Chc nng v phn loiSeries Cisco Router Cisco 800 Series Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
99/538
99
Series Cisco Router - Cisco 800 Series Router
Cisco 800 Series lgii php l tngcho cc kt ni
Internet an ton vcc kt ni mngcho cc vn phngnh hoc nhngngi lm vic txa (teleworkers).
Chc nng v phn loiSeries Cisco Router - Cisco 800 Series Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
100/538
100
Series Cisco Router - Cisco 800 Series Router
Bn cnh tnh d trin khai v cc tnh nng qun
l tp trung, cc thit bnh tuyn truy nhpthuc h Cisco 800 vi cc dch v tch hp cungcp nhng tnh nng nh:
An ninh mng tch hp Mt kt ni mng WAN, vi a la chn Bn cng chuyn mch 10/100 Mbps c qunl C ti 10 ng hm VPN H tr cc tiu chun mng LAN v tuyn802.11b v 802.11g
Chc nng v phn loiSeries Cisco Router - Cisco 800 Series Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
101/538
101
Series Cisco Router - Cisco 800 Series Router
Chc nng v phn loiSeries Cisco Router - Cisco 1800 Series Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
102/538
102
Series Cisco Router Cisco 1800 Series Routers
An ninh mng c tch
hp. H thng qun l thit ban ninh mng v thit b
nh tuyn (SDM) ngin ha tc v qun l. C ti 2 cng nh tuyntch hp tc 10/100Mbps. H tr cc tiu chunmng LAN khng dy
802.11a/b/g
Chc nng v phn loiSeries Cisco Router - Cisco 1800 Series Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
103/538
103
Series Cisco Router Cisco 1800 Series Routers
Cc dng thit b cnh (1801, 1802, 1803, 1811,
1812): Tc truy nhp ln n tc bng rng 8 cng chuyn mch tch hp tc 10/100 Mbpsvi ty chn v cp ngun qua mng Ethernet (PoE),
cung cp ngun DC n cc thit b mng nhccmy in thoi IP Ln ti 50 ng hm VPN
Thit b dng 1841 c cu trc m un, cng vi: Tc c th ln ti tc T1/E1 4 cng chuyn mch tch hp tc 10/100 Mbps 800 ng hm VPN
Chc nng v phn loiSeries Cisco Router - Cisco 1800 Series Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
104/538
104
Series Cisco Router Cisco 1800 Series Routers
Chc nng v phn loi
Series Cisco Router - Cisco 2800 Series Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
105/538
105
Series Cisco Router Cisco 2800 Series Routers
An ninh mng tch hp Mt thit b c cu trc mun vi mt di rt rng ccty chn v giao din C ti 2 cng nh tuyn tch
hp tc 10/100/1000 Mbps C ti 64 cng chuyn mchtc 10/100 Mbps vi tychn v cp ngun qua mng
Ethernet (PoE), cp ngunDC n cc thit b mng nhl my in thoi IP C ti 1500 ng hm VPN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
106/538
Chc nng v phn loiSeries Cisco Router - Cisco 3600 Series Multiservice
Platforms
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
107/538
107
Platforms
L dng sn phm dngmodular, multiservice access
platforms cho cc vn phngtrung bnh v ln hoc ccISP loi nh. C hn 70 chn la
modular interfaces. Cisco 3600 cung cp ccgii php cho data, voicevideo, hybrid dial access,virtual private networks(VPNs), v multiprotocoldata routing.
Chc nng v phn loiSeries Cisco Router - Cisco 3700 Series Multiservice
Access Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
108/538
108
Cho php cc tnh nng v
module hon ton mi v mnhm hn, nhiu kt ni hn. Khi sdng module 16- or 36-port EtherSwitch, Cisco 3700
Series tr thnh mt thit b tchhp c routing v low-densityswitching. C thh tr internal inlinepower cho cc EtherSwitchports, to nn mt platform duynht cho gii php IP telephony.
Chc nng v phn loiSeries Cisco Router - Cisco 3800 Series Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
109/538
109
An ninh mng tch hp C ti 2 cng nh tuyn tchhp tc 10/100/1000 Mbps C ti 112 cng chuyn mch10/100 Mbps vi ty chn vcp ngun qua mng Ethernet(PoE), cp ngun DC n
cc thit b mng nhmyin thoi IP C ti 2500 ng hm VPN
Chc nng v phn loiSeries Cisco Router - Cisco 7200 Series Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
110/538
110
Chc nng v phn loiSeries Cisco Router - Cisco 7200 Series Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
111/538
111
Gom lu lng bng rng: ln ti 16,000 phin PPP trn mt
khung my Chuyn mch nhn a giao thc (MPLS): La chn hng ucho trin khai bin mng ca nh cung cp dch v Mng ring o An ninh IP (IPsec): nh c ti 5000 ng hm
trm mt khung my. Tch hp thoi, d liu v video. Thit km un: din tch t my 3RU vi mt di rng ccgiao din linh hot c tnh m un (tDS0 n OC-3).
Tnh linh hot: h tr Fast Ethernet, Gigabit Ethernet, Packettrn nn SONET v nhiu tnh nng khc.
Chc nng v phn loiSeries Cisco Router - Cisco 7600 Series Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
112/538
112
Chc nng v phn loiSeries Cisco Router - Cisco 7600 Series Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
113/538
113
Cc tnh nng quan trng: Hiu nng cao vi tc ln n 720 Gbps trn mt khung my hocdung lng 40 Gbps trn mi khe cm Mt la chn v kch thc c xy dng theo mc ch hoc dnh cho kh dng cao Thit kI-Flex ca Cisco: Mt h sn phm v b giao tip vi cng c
chia s (SPAs) v cc b vi x l giao din SPA (SIPs) vi kh nng kimsot cm nhn v cc dch v thoi, video v d liu Kim sot tip nhn cuc gi Video tch hp vi cm nhn v cht lnghnh nh sng to dnh cho c pht thanh truyn hnh qung b v video
theo yu cu (VoD) Cng dch v thng minh, cung cp s lng thu bao nh c v khnng nhn bit ng dng vi tnh nng xc nh a chiu v cc chnh schiu khin
Chc nng v phn loiSeries Cisco Router - Cisco 7600 Series Routers
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
114/538
114
Cc ng dng: Mng Ethernet ca nh khai thc: gom lu lng tccdch v ca doanh nghip v ca ngi tiu dng Bin mng dch v Ethernet: cc dch v IP c c nhn
ha Mng v tuyn hnh li v hi t cc dch v di ng nh tuyn bin mng IP/MPLS ca nh cung cp dch v
Gom lu lng mng WAN doanh nghip nh tuyn mng li trong tr s ca doanh nghip
WAN v RouterKt ni WAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
115/538
115
WAN v RouterKt ni WAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
116/538
116
WAN v RouterKt ni WAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
117/538
117
DTE (DataTerminalEquipment): thitb d liu u cui.
DCE (Data Circuit-terminalEquipment): thitbu cui mch
d liu, thng pha nh cung cpdch v, c th lmodem hoc
CSU/DSU.
WAN v RouterKt ni WAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
118/538
118
WAN v RouterCc loi u cp kt ni trong mng WAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
119/538
119
WAN v RouterCc loi u cp DCE
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
120/538
120
WAN v RouterKiu kt ni WAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
121/538
121
WAN v Router
nh tuyn trong mng WAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
122/538
122
Cc thnh phn ca Router
Series 2600 router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
123/538
123
Cc thnh phn ca Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
124/538
124
Cc thnh phn ca Router
Cc thnh phn ca RouterSeries 2600 router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
125/538
125
Cc thnh phn ca Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
126/538
126
Cc thnh phn ca Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
127/538
127
Cc thnh phn ca Router
Kt ni cng Auxiliary vi Modem
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
128/538
128
Cc thnh phn ca Router
Kt ni Console vi my tnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
129/538
129
Cc thnh phn ca Router
Kt ni Console vi my tnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
130/538
130
Cc thnh phn ca Router
Kt ni Console vi my tnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
131/538
131
Cc thnh phn ca Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
132/538
132
p
Cc thnh phn ca Router
CPU, RAM, ROM
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
133/538
133
CPU: n v x l trung tm.
RAM (DRAM - Dynamic Random Access Memory) Lu bng nh tuyn v bng ARP. Duy tr hng i v vng nhm cho cc gi d liu.
Cung cp b nh tm thi cho tp tin cu hnh ca router. Thng tin trn DRAM s mt i khi b ngt in.
ROM (Read - Only Memory) Lu gichng trnh tkim tra khi khi ng(POST Power-on Self Test). Lu chng trnh bootstrap v hiu hnh c bn.
Cc thnh phn ca Router
NVRAM, FLASH MEMORY NVRAM (Non-volative Random-access
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
134/538
134
NVRAM (Non-volative Random-access
Memory) Lu gitp tin cu hnh khi ng ca router. Ni dung NVRAM khng mt i khi b tt in.
Flash Memory Lu hiu hnh IOS. C thcp nht. Ni dung vn c lu gikhi router b ngt
in. C th lu nhiu phin bn IOS khc nhau trn
flash. L loi ROM xo v lp trnh c (EPROM).
Cc thnh phn ca Router
Cc cng giao tipCc cng giao tip: 3 loi
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
135/538
135
Cc cng giao tip: 3 loi LAN: Cng Ethernet hoc Token Ring. C th
gn cnh trn router hoc di dng cardri.
WAN: Cng Serial hoc ISDN. C thgn cnh hoc di dng card ri.
Console/AUX: l cng ni tip, thng dngkt ni vi my tnh thng qua cng COMhoc modem khi cu hnh cho router.
Khi ng Router
Cc ch giao tip vi ngi dng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
136/538
136
Phn mm IOS ca Cisco sdng giao din dng lnh command-lineinterface (CLI) lm giao tip truyn thng gia ngi dng v thit b.
C 3 phng php truy cp chnh n thit b: Console AUX port (modem)
Telnet
Khi ng Router
Cc ch giao tip vi ngi dng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
137/538
137
Khi ng Router
Tn tp tin hiu hnh ca Cisco Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
138/538
138
Khi ng Router
Tn tp tin hiu hnh ca Cisco Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
139/538
139
Khi ng RouterTn tp tin hiu hnh ca Cisco Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
140/538
140
Khi ng RouterXem phin bn hiu hnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
141/538
141
Khi ng RouterXem phin bn hiu hnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
142/538
142
Khi ng RouterCc bc khi ng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
143/538
143
Khi ng RouterCc ch thn LET trn Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
144/538
144
ON: An interface LED indicates the activity of the correspondinginterface.
OFF: If an LED is off when the interface is active and the interface is
correctly connected, a problem may be indicated. ALWAYS ON: If an interface is extremely busy, its LED will always be
on. The green OK LED to the right of the AUX port will be on after the
system initializes correctly
Khi ng RouterCh ci t
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
145/538
145
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
146/538
Khi ng RouterMn hnh khi ng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
147/538
147
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
148/538
Mt s lnh c bnThng bo li ti giao din dng lnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
149/538
149
Mt s lnh c bnLnh ?
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
150/538
150
Mt s lnh c bnLnh ?
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
151/538
151
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
152/538
Mt s lnh c bnXem history
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
153/538
153
Mt s lnh c bnLnh show version
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
154/538
154
Mt s lnh c bnLnh show version
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
155/538
155
Cu hnh cho RouterThit lp phin kt ni bng Hyper Terminal
Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
156/538
156
Rollover cable
Console port
Com1 or Com2 serial port
Terminal or a
PC withterminal
emulation
software
Router
Cu hnh cho RouterThit lp phin kt ni bng Hyper Terminal
Kt ni thit bucui (PC) vo cng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
157/538
157
( ) g
Console trn routerbng cp rollover vb chuyn i RJ45-DB9 hoc RJ45-DB25.
Cu hnh thit bucui hoc cu hnhphn mm m phngtrn PC vi cc thngs: 9600 baud, 8 databits, 1 stop bit, no flowcontrol.
Cu hnh cho RouterCc ch giao tip dng lnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
158/538
158
Cu hnh cho Routert tn cho Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
159/538
159
Cu hnh cho Routert mt khu cho Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
160/538
160
Cu hnh cho RouterKim tra bng cc lnh Show
Show interface: hin th trng thi cc cng giao tip
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
161/538
161
Show host: hin th danh sch tn v a ch tng ng Show users: hin th cc users ang kt ni vo router
Show flash: hin th thng tin b nh flash v IOS
Show ARP: hin th bng ARP trn router Show protocol: hin th trng thi ton cc v trng thi
ca cc cng giao tip c cu hnh giao thc lp 3
Show start: hin th tp tin cu hnh lu trong NVRAM
Show run: hin th tp tin cu hnh trn RAM
Cu hnh cho RouterCu hnh cho cng giao tip
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
162/538
162
Cu hnh cho RouterCu hnh cho cng giao tip
Router#conf i g tRouter(config)#i nt er f ace ser i al 0/ 1
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
163/538
163
Router(config-if)#i p addr ess 200. 100. 50. 75 255. 255. 255. 240Router(config-if)#cl ock r at e 56000 (required for serial DCE only)Router(config-if)#no shut downRouter(config-if)#exi tRouter(config)#i nt f 0/ 0Router(config-if)#i p addr ess 150. 100. 50. 25 255. 255. 255. 0Router(config-if)#no shut downRouter(config-if)#exi tRouter(config)#exi t
Router#
On older routers, Serial 0/1 would be just Serial 1 and f0/0 would be e0.
s = serial e = Ethernet f = fast Ethernet
Cu hnh cho RouterCu hnh cho cng Serial
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
164/538
164
Cu hnh cho RouterCu hnh cho cng Ethernet v FastEthernet
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
165/538
165
Cu hnh cho RouterPhn gii tn my
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
166/538
166
Cu hnh cho RouterTFTP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
167/538
167
Cu hnh cho RouterLu h thng file IOS v tp tin cu hnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
168/538
168
Cu hnh cho RouterLu h thng file IOS v tp tin cu hnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
169/538
169
Cu hnh cho RouterLu file IOS
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
170/538
170
Cu hnh cho RouterLu tp tin cu hnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
171/538
171
Cu hnh cho RouterS tng qut
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
172/538
172
CHNG 5
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
173/538
173
SWITCH (b chuyn mch)
1. Cc khi nim v chuyn mch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
174/538
174
2. Thit kmng LAN3. Cu hnh Switch4. Giao thc Spanning Tree5. VLANs v VTP
Cc khi nim v chuyn mchMng LAN ngy nay
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
175/538
175
Cc khi nim v chuyn mchChc nng hot ng theo lp ca cc thit b mng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
176/538
176
Cc khi nim v chuyn mchChc nng hot ng theo lp ca cc thit b mng
(routing)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
177/538
177
Cc khi nim v chuyn mchng xy ra trong mng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
178/538
178
Cc khi nim v chuyn mchKt ni user bng Hub
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
179/538
179
Cc khi nim v chuyn mchKt ni user bng Bridge
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
180/538
180
Cc khi nim v chuyn mchLayer 2 Bridging (Bc cu lp 2)
Ethernet l mt mi
trng chia s ch mtd th t
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
181/538
181
trng chia s, ch mtnode c thtruyn sliu vo mt thi im
Tng s lng host trn
mt segment, xc sutng tng, a nkt qu c nhiu hotng truyn li hn.
Gii php: chia segmentln thnh nhiu segmentnh.
Bngbccu
Cc khi nim v chuyn mchKt ni user bng Switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
182/538
182
Cc khi nim v chuyn mchLayer 2 Switching (chuyn mch lp 2)
Mt bridge ch c haiport v chia mt minng thnh hai
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
183/538
183
ng thnh haiphn.
Bridge hot ng datrn a ch MAC vkhng nh hng na ch lp 3. Bridge
chia min ng chkhng nh hngn min qung b.
Cc khi nim v chuyn mchLayer 2 Switching
Mt Switch v c bn l mt bridge nhiu port, n thitlp ng v duy tr mt bng CAM (Content
Addressable Memory) lu tr tt c thng tin MAC choi t
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
184/538
184
Addressable Memory) lu trtt c thng tin MAC chomi port.
Khi nhn c gi tin, Switch s kim tra a ch ngunca gi tin c trong bng MAC cha. Nu cha, ns thm a ch MAC ny vo trong bng MAC.
Tip theo Switch s kim tra a chch ca gi tin ctrong bng MAC cha. Nu cha c th n s gi gi tin
i tt c cc cng (ngoi trcng gi gi tin vo).Ngc li Switch s kim tra port ch v port ngun,nu trng nhau th n s loi b gi tin, nu khc nhauth n s gi gi tin n port ch tng ng.
Cc khi nim v chuyn mchHot ng chuyn mch ca Switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
185/538
185
Cc khi nim v chuyn mchCc phng php chuyn mch
Store-and-Forward: Mt switch nhn ton bframe trc khi gi n ra ngoi port ch nhm
m bo frame nhn c l tt trc khi chuynra ngoi
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
186/538
186
m bo frame nhn c l tt trc khi chuynra ngoi.
Cut-Through: Mt switch c thbt u truyn
frame ngay khi nhn c MAC addr ch. Fragment-Free: Dung ha gia ch cut-
through v store-and-forward, c 64 byte u
tin, bao gm c frame header v bt u chuynmch trc khi ton b data v checksum cc.
Cc khi nim v chuyn mchCc phng php chuyn mch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
187/538
187
Cc khi nim v chuyn mchChia s bng thng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
188/538
188
Cc khi nim v chuyn mchCc yu ttc ng n hiu sut mng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
189/538
189
Cc khi nim v chuyn mchCh song cng v bn song cng
Simplex Transmission Half-duplex Transmission Full-duplex Transmission
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
190/538
190
Full-duplex Transmission
Cc khi nim v chuyn mchLatency
Latency l thi gian tr tnh tthi immt frame bt u ri khi ngun cho nthi im frame i n ch Thi gian
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
191/538
191
thi im frame i n ch. Thi gianny b nh hng bi:
Trng truyn. Tr mch in t.
Tr phn mm.
Tr bi ni dung ca frame.
Cc khi nim v chuyn mchMin ng v min qung b
Min ng (Collision domain)
L cc segment mng vt l c kt ni ccc ng c th xy ra
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
192/538
192
g g cc ng c thxy ra.
Mi khi mt ng xy ra trn mng, tt c cc
hot ng truyn dng li trong mt khong thigian.
Thit b thuc lp 1 khng chia tch min ng
m ch m rng min ng . Thit b thuc lp 2 v 3 chia tch min ng
thnh cc min ng nh hn (sphn on
mng segmentation)
Cc khi nim v chuyn mchMin ng v min qung b
Min qung b (Broadcast domain)
Mt broadcast domain l mt nhm cc min
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
193/538
193
ng c kt ni bi cc thit b lp 2.
Cc broadcast nu qu mc c th lm gimhiu sut ca mng LAN.
Broadcast c kim sot bi thit b lp 3.Router c thphn chia cc broadcast domain.
Cc khi nim v chuyn mchMin ng v min qung b
Broadcast lp 2 Khi mt host cn truyn thng ti mt host trn mng, n
gi mt broadcast frame ti a ch MAC ch l0xFFFFFFFFFFFF
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
194/538
194
0xFFFFFFFFFFFF.
Stch ly lu lng broadcast c th lm trn ngp mng
v khng cn bng thng cho ng dng truyn s liu ->bo broadcast.
Cc my trm broadcast yu cu ARP khi cn nh v mta ch MAC khng c trong bng ARP.
Cc giao thc nh tuyn cng c thgy ra broadcast. Mi30 giy, RIPv1 dng broadcast truyn li ton b bngnh tuyn RIP n cc router khc.
Cc khi nim v chuyn mchMin ng v min qung b
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
195/538
195
Cc khi nim v chuyn mchMin ng v min qung b
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
196/538
196
Cc khi nim v chuyn mchPhn on mng LAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
197/538
197
Cc khi nim v chuyn mchPhn on mng vi Bridge
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
198/538
198
Cc khi nim v chuyn mchPhn on mng vi Switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
199/538
199
Cc khi nim v chuyn mchPhn on mng vi Switch
switch
lli i i
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
200/538
200
1111
2222
3333
4444
AbbreviatedMACaddresses
Collision Domains
Cc khi nim v chuyn mchPhn on mng vi Router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
201/538
201
Cc khi nim v chuyn mchLayer 2 Broadcast
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
202/538
202
Cc khi nim v chuyn mchBroadcast Domain
Switch 1172.30.1.21
255.255.255.0
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
203/538
203
All Switched Network - Two Networks
y Two Subnets
y Several Collision Domains
y One per switch port
y One Broadcast Domain
172.30.2.10255.255.255.0
172.30.1.23255.255.255.0
Switch 2
172.30.1.25
255.255.255.0
172.30.2.14
255.255.255.0
172.30.1.27
255.255.255.0
172.30.2.16
255.255.255.0172.30.2.12255.255.255.0
ARP Request
Cc khi nim v chuyn mchBroadcast Domain
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
204/538
204
Thit kmng LAN
Cc mc tiu: Kh nng hot ng c Kh nng m rng Kh nng thch ng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
205/538
205
Kh nng thch ng Kh nng qun l
Nhng iu cn quan tm: Chc nng v v trt server Pht hin ng Phn on mng Min qung b
Thit kmng LANV trt server
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
206/538
206
Thit kmng LANS mng theo lp OSI
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
207/538
207
Thit kmng LANS lun l
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
208/538
208
Enterprise servers sc t ti MainDistribution Facility (MDF).
Workgroup servers sc t tiIntermediate Distribution Facilities (IDFs)
Thit kmng LANS vt l
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
209/538
209
Thit kmng LANS vt l
MDF
IDF
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
210/538
210
Thit kmng LANSa ch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
211/538
211
Thit kmng LANThit kLayer 1
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
212/538
212
Thit kmng LANThit kLayer 1
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
213/538
213
Thit kmng LANThit kLayer 1
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
214/538
214
Thit kmng LANThit kLayer 1
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
215/538
215
Thit kmng LANThit kLayer 2
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
216/538
216
Thit kmng LANThit kLayer 3
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
217/538
217
Thit kmng LANM hnh thit kphn cp trong mng LAN va v ln
Tng truy cp: cung cp kt ni vo
h thng mng cho user. Tng phn phi: cung cp cc chnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
218/538
218
g p p g psch kt ni.
Tng trc chnh: cung cp svnchuyn ti u gia cc site.
Chc nng catng truy cp:
Chia s bngthng.
Thit kmng LANM hnh thit kphn cp trong mng LAN va v ln
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
219/538
219
Chuyn mchbng thng.
Lc lp MAC. Microsegment
Thit kmng LANM hnh thit kphn cp trong mng LAN va v ln
Cc dng Switch ca Ciscosdng tng truy cp
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
220/538
220
Catalyst 4000 Switch
Chc nng ca
tng phn phi: Xc nh min
qung b hay
Thit kmng LANM hnh thit kphn cp trong mng LAN va v ln
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
221/538
221
qung b haymin multicast.
nh tuynVLAN.
Bo mt
Thit kmng LANM hnh thit kphn cp trong mng LAN va v ln
Cc dngSwitch dng
tng phn phi: Catalyst 2926G.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
222/538
222
Catalyst 5000. Catalyst 6000.
Catalyst 2926G Switch
Catalyst 6500 Switch
Chc nng ca
tng trc chnh: Chuyn mch tc
cao.
Thit kmng LANM hnh thit kphn cp trong mng LAN va v ln
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
223/538
223
cao.
C thsdngrouter ring bnngoi.
Khng cn tr giduy tr tc .
Thit kmng LANM hnh thit kphn cp trong mng LAN va v ln
Cc dngSwitch dng
tng trcchnh:Catalyst 6500
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
224/538
224
Catalyst 8540 Switch
Catalyst 6500. Catalyst 8500. IGX 8400.
Switch a dch v IGX 8400
Cu hnh SwitchCu to vt l
Switch l mt
my tnh cbit c:
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
225/538
225
CPU RAM Hiu hnh Ports
Cu hnh Switchn LED bo hiu trn switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
226/538
226
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
227/538
Cu hnh Switchn LED bo hiu trn switch
n RPS (Redundant power supply) Tt: module RPS khng ci t. Xanh: module RPS ang hot ng. Chp xanh (Flashing green): RPS kt ni
nhng khng hot ng v ang cp ngun cho
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
228/538
228
nhng khng hot ng v ang cp ngun cho
thit b khc. Vng cam (Amber): RPS ci t nhng khng
hot ng. Chp vng cam (Flashing Amber): ngun ni b
hng v RPS ang cung cp ngun cho switch.
Cu hnh Switchn LED bo hiu trn switch
n STAT: Tt: khng c link. Xanh: link c, khng kch hot. Chp xanh: c link, c d liu truyn.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
229/538
229
p , y
Xen k Xanh v Vng cam: link c li. Vng cam (Amber): cng khng chuyn
tip do khng c kch hot v l do qun
tr (vi phm a ch, b kha do SpanningTree Protocol).
Cu hnh Switchn LED bo hiu trn switch
n theo di ti(Bandwidth utilization UTL LED):
Xanh: hin trang ang dng ti. Vng cam: sti cc i ang dng.
n Full duplex (FDUP LED on):
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
230/538
230
n Full duplex (FDUP LED on):
Xanh: cng c cu hnh full-duplex. Tt: cng c cu hnh half-duplex.
n 100:
Tt: ang hot ng 10 Mbps. Xanh: ang hot ng 100 Mbps.
Cu hnh SwitchKt ni switch n my tnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
231/538
231
Cu hnh SwitchKt ni switch n my tnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
232/538
232
Cu hnh SwitchCi t thng scho Hyper Terminal
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
233/538
233
Cu hnh SwitchQu trnh khi ng ca switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
234/538
234
Cu hnh SwitchQu trnh khi ng ca switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
235/538
235
Cu hnh SwitchKt ni switch n my tnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
236/538
236
Cu hnh SwitchGiao din dng lnh (CLI) ca switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
237/538
237
Cu hnh SwitchMt sthao tc trn dng lnh ca switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
238/538
238
Cu hnh SwitchMt slnh Show trn switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
239/538
239
Cu hnh SwitchMt slnh Show trn switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
240/538
240
Cu hnh SwitchChuyn i Mode
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
241/538
241
Cu hnh SwitchXem phin bn IOS
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
242/538
242
Cu hnh SwitchKim tra cu hnh mc nh ca switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
243/538
243
Cu hnh Switchc im mc nh ca cc port trn switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
244/538
244
Cu hnh SwitchQun l bng a ch MAC
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
245/538
245
Cu hnh SwitchQun l bng a ch MAC
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
246/538
246
Cu hnh SwitchCu hnh mc nh ca VLAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
247/538
247
Cu hnh SwitchNi dung mc nh ca flash
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
248/538
248
Cu hnh SwitchXo mi cu hnh c trn switch
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
249/538
249
Cu hnh Switcht tn v mt khu cho ng console v vty
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
250/538
250
Cu hnh SwitchCu hnh tc v ch song cng cho port
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
251/538
251
Cu hnh SwitchCu hnh a ch IP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
252/538
252
Cu hnh SwitchCu hnh Default Gateway
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
253/538
253
Cu hnh SwitchCopy IOS tTFTP Server
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
254/538
254
Giao thc Spanning-TreeCu trc dphng (Redundancy)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
255/538
255
One Bridge Redundant Bridges
Giao thc Spanning-TreeCu trc chuyn mch dphng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
256/538
256
Giao thc Spanning-TreeTrn bo qung b (Broadcast Storm)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
257/538
257
Giao thc Spanning-TreeTruyn nhiu lt frame
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
258/538
258
Giao thc Spanning-TreeC s dliu MAC khng n nh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
259/538
259
Giao thc Spanning-TreeCu trc dphng v Spanning-Tree
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
260/538
260
Giao thc Spanning-TreeCu trc dphng v Spanning-Tree
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
261/538
261
Giao thc Spanning-TreeCu trc dphng v Spanning-Tree
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
262/538
262
Giao thc Spanning-TreeGi tr chi ph mc nh tng ng vi tc ca ng kt ni
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
263/538
263
Giao thc Spanning-TreeKt qu tnh ton ca giao thc Spanning-Tree
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
264/538
264
Giao thc Spanning-TreeKt qu tnh ton ca giao thc Spanning-Tree
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
265/538
265
Giao thc Spanning-TreeChn Root Bridge
ALSwi t ch#show spanni ng- t r ee
VLAN0001
Spanni ng t r ee enabl ed pr ot ocol i eee
Root I D Pr i or i t y 32768
Addr ess 0003. e334. 6640
Cost 19
Por t 23 ( Fast Et her net 0/ 23)
Hel l o Ti me 2 sec Max Age 20 sec For war d Del ay 15 sec
Br i dge I D Pr i or i t y 32769 ( pr i or i t y 32768 sys- i d- ext 1)Addr ess 000b f c28 d400
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
266/538
266
Addr ess 000b. f c28. d400
Hel l o Ti me 2 sec Max Age 20 sec For war d Del ay 15 sec
Agi ng Ti me 300
I nt er f ace Por t I D Desi gnat ed Por t I D
Name Pr i o. Nbr Cost St s Cost Br i dge I D Pr i o. Nbr
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Fa0/ 23 128. 23 19 FWD 0 32768 0003. e334. 6640 128. 25
ALSwi t ch#
Giao thc Spanning-TreeChn Root Porte
2950#show spanni ng- t r ee
VLAN0001
Spanni ng t r ee enabl ed pr ot ocol i eee
Root I D Pr i or i t y 32768Addr ess 0003. e334. 6640
Cost 19
Por t 23 ( Fast Et her net 0/ 23)
Hel l o Ti me 2 sec Max Age 20 sec For war d Del ay 15 sec
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
267/538
267
Br i dge I D Pr i or i t y 32769 ( pr i or i t y 32768 sys- i d- ext 1)
Addr ess 000b. f c28. d400
Hel l o Ti me 2 sec Max Age 20 sec For war d Del ay 15 sec
Agi ng Ti me 300
I nt er f ace Por t I D Desi gnat ed Por t I D
Name Pr i o. Nbr Cost St s Cost Br i dge I D Pr i o. Nbr
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Fa0/ 23 128. 23 19 FWD 0 32768 0003. e334. 6640 128. 2
Giao thc Spanning-TreeTrng thi ca cc port trong Spanning-Tree
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
268/538
268
Giao thc Spanning-TreePortFast
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
269/538
269
Giao thc Spanning-Treecu hnh PortFast
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
270/538
270
Giao thc Spanning-TreeHot ng ca giao thc Spanning-Tree
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
271/538
271
Giao thc Spanning-TreeHot ng ca giao thc Spanning-Tree
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
272/538
272
Giao thc Spanning-TreeHot ng ca giao thc Spanning-Tree
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
273/538
273
Giao thc Spanning-TreeTnh ton li Spanning-Tree
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
274/538
274
VLANsPhn on mng LAN truyn thng v theo VLAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
275/538
275
VLANsPhn on mng LAN theo VLAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
276/538
276
VLANsMin qung b vi VLAN
1) WithoutVLANs
2) With
VLANs
10.0.0.0/8 10.1.0.0/16
10.2.0.0/16
10.3.0.0/16
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
277/538
277
10.3.0.0/16
VLANsMin qung b vi VLAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
278/538
278
VLANsVLAN cnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
279/538
279
VLANsVLAN ng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
280/538
280
VLANsChia VLAN theo port
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
281/538
281
VLANsch li ca VLAN
Di chuyn my trm trong LAN d dng.
Thm my trm vo LAN d dng. Thay i cu hnh LAN d dng. Kim sot giao thng mng d dng. Gia tng kh nng bo mt.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
282/538
282
Gia tng kh nng bo mt.
VLANsCc loi VLAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
283/538
283
VLANsCc loi VLAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
284/538
284
VLANsCu hnh VLAN cnh S lng VLAN ti a ph thuc vo switch. VLAN 1 l VLAN mc nh. Switch phi ch VTP server to, thm
hoc xa VLAN. Cu hnh VLAN:
Switch#vlan database Switch(vlan)#vlan vlan_number Switch(vlan)#exit
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
285/538
285
( )
Gn port vo VLAN:
Switch(config)#interface fastethernet 0/9 Switch(config-if)#switchport access vlan vlan_number
VLANsCu hnh VLAN cnh
Assign ports to the VLAN Switch(config)#interface fastethernet 0/9
vlan10
Defaultvlan 1
Defaultvlan 1
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
286/538
286
Switch(config-if)#switchport access vlan 10
access Denotes this port as an access port and not a trunk link (later)
VLANsCu hnh VLAN cnh
vlan
300Default
vlan 1
Default
vlan 1
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
287/538
287
VLANsCu hnh VLAN cnh
SydneySwitch(config)#interface fastethernet 0/5 SydneySwitch(config-if)#switchport access vlan 2 SydneySwitch(config-if)#exit
vlan 2
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
288/538
288
SydneySwitch(config)#interface fastethernet 0/6 SydneySwitch(config-if)#switchport access vlan 2 SydneySwitch(config-if)#exit SydneySwitch(config)#interface fastethernet 0/7 SydneySwitch(config-if)#switchport access vlan 2
VLANsCu hnh VLAN cnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
289/538
289
VLANsCu hnh VLAN cnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
290/538
290
VLANsCu hnh VLAN cnh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
291/538
291
VLANsKim tra cu hnh VLAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
292/538
292
VLANsKim tra cu hnh VLAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
293/538
293
VLANsLu cu hnh VLAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
294/538
294
VLANsXo VLAN
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
295/538
295
VTP (VLAN Trunking Protocol)VLANs
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
296/538
296
VTP (VLAN Trunking Protocol)Trunking operation
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
297/538
297
VTP (VLAN Trunking Protocol)Trunking operation
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
298/538
298
VTP (VLAN Trunking Protocol)Trunking operation
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
299/538
299
VTPVLANs v Trunking
Trunk Link
Non-Trunk Links
Non-Trunk Links
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
300/538
300
ng Trunk l mt kt ni im ni im gia mt hay nhiu
interface ca switch v cc thit b router hoc switch khc. 802.1Q ISL
VTPCu hnh Trunking
Lu : Trnnhiu switches,lnh switchporttrunk
encapsulation
cn phi cthc hin trclnh switchportmode trunk.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
301/538
301
VTPCu hnh Trunking
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
302/538
302
Swi t ch( conf i g- i f ) swi t chpor t t r unk encapsul at i on [ dot 1q| i sl ]
VTPCu hnh Trunking
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
303/538
303
VTPTnh nng ca VTP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
304/538
304
VTPC chca VTP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
305/538
305
VTPHot ng ca VTP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
306/538
306
VTPVTP Pruning
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
307/538
307
VTPCu hnh VTP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
308/538
308
VTPCu hnh VTP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
309/538
309
VTPCu hnh VTP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
310/538
310
VTPCu hnh VTP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
311/538
311
VTPCu hnh VTP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
312/538
312
VTPCu hnh 802.1Q Trungking
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
313/538
313
VTPCu hnh VTP Kim tra
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
314/538
314
VTPCu hnh VTP Kim tra
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
315/538
315
VTPCu hnh VTP Kim tra
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
316/538
316
CHNG 6
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
317/538
317
CC GIAO THC NH TUYN
Gii thiu vnh tuyn
nh tuyn tnh nh tuyn ng
Theo vect khong cch: RIP Theo trng thi ng lin kt: OSPF
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
318/538
318
Gii thiu vnh tuyn
Router
Router
Router
Router Router
What is
an optimal
route ?
What is
an optimal
route ?
Switch
Switch
Routing Protocol
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
319/538
319
Gii thiu vnh tuyn
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
320/538
320
nh tuyn tnhHot ng ca nh tuyn tnh Ngi qun tr cu hnh cc ng cnh cho router bnglnh ip route. Router ci t cc ng i ny vo bng nh tuyn. Gi d liu c nh tuyn theo cc ng cnh ny. Lu tp tin cu hnh ang hot ng thnh tp tin cu hnh
khi ng bng lnh copy running-config startup-config.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
321/538
321
nh tuyn tnhHot ng ca nh tuyn tnh
Chstincy
0
1
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
322/538
322
cy1
nh tuyn tnhCu hnh ng mc nh cho router chuyn gi i
ip route 0.0.0.0 0.0.0.0 [next-hop-address| outgoing interface]
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
323/538
323
nh tuyn tnhKim tra cu hnh ng cnh vi lnh show ip route
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
324/538
324
nh tuyn tnhX l scvi lnhpingv traceroute
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
325/538
325
nh tuyn tnhX l scvi lnhpingv traceroute
Ping v Traceroute c sdng kim tra kt ni. Nhng trc khi sdng lnh ping v
traceroute, nn kim tra trng thica kt ni c ang up hay downbng lnh: show interface show interface s0
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
326/538
326
show ip interface brief
nh tuyn theo vect khong cchc im chung
Truyn bn sao ca bng nhtuyn trouter ny sang
Hng xmv ch lhng xm
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
327/538
327
y y g
router khc theo nh k. Sdng thut ton Bellman-
Ford.
nh tuyn theo vect khong cchc im chung
2 Hops
1 Hop1 Hop
Destination
192.16.1.0
192.16.5.0
192.16.7.0
Distance
1
1
2
Routing table contains the addressesof destinations and the distance
of the way to this destination.
Flow of routing
Flow of routing
Router B Router CRouter A Router D
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
328/538
328
Flow of routing
information
Flow of routing
information192.16.1.0192.16.1.0 192.16.7.0192.16.7.0
192.16.5.0192.16.5.0
nh tuyn theo vect khong cchCp nht thng tin nh tuyn
Qu trnh cpnht bngnh tuyn
Router A gi rabng nh
tuyn cpnht
Qu trnh cpnht bng nhtuyn
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
329/538
329
Bng inh tuync cp nhtnh k
nh tuyn theo vect khong cchLi nh tuyn lp
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
330/538
330
nh tuyn theo vect khong cchnh ngha gi tr ti a
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
331/538
331
nh tuyn theo vect khong cchTrnh nh tuyn lp vng bng split horizone
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
332/538
332
nh tuyn theo vect khong cchTrnh nh tuyn lp vng bng Route poisoning
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
333/538
333
nh tuyn theo vect khong cchTrnh nh tuyn lp vng bng c chcp nht tc thi
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
334/538
334
nh tuyn theo vect khong cchTrnh nh tuyn lp vng bng thi gian holddown
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
335/538
335
nh tuyn theo vect khong cchc im chung
Copy bng nh tuyn cho router lng ging. Cp nht nh k. RIPv1 v RIPv2 sdng s lng hop lm thng
snh tuyn. Mi router nhn h thng mng theo schi phi
ca cc router lng ging. Hi t chm. D b lp vng. D cu hnh v d qun tr.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
336/538
336
Tn nhiu bng thng.
RIP (Routing Information Protocol)Tin trnh ca RIP
c m t trong RFC 1058 v Tiu chun InternetSTD 56. C 2 phin bn l RIPv1 v RIPv2.
RIPv2 c c chxc minh gia cc router khi cpnht bo mt cho bng nh tuyn v c h trthm VLSM (Variable Length Subnet Masking).
Thng snh tuyn l s lng hop. S lng hopti a cho mi ng l 15. Chu k cp nht mcnh l 30 giy.
C split horizon v thi gian holddown trnh cp
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
337/538
337
nht thng tin nh tuyn khng chnh xc.
RIPCu hnh RIP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
338/538
338
RIPSdng lnh ip classless
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
339/538
339
RIPMt s lnh tng tc hi t khi cu hnh RIP Tt c chsplit horizon:
GAD(config-if)#no ip split-horizon
Thay i thi gian holddown (ngm nh 180 giy): Router(config-router)#timer basic update invalid
holddown flush [sleeptime]
Thay i chu k cp nht: GAD(config-router)#update-timer seconds
Khng cho php gi thng tin cp nht nh tuynra mt cng no :
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
340/538
340
GAD(config-router)#passive-interface Fa0/0
RIPKim tra cu hnh RIP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
341/538
341
RIPKim tra cu hnh RIP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
342/538
342
RIPX l scv hot ng cp nht ca RIP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
343/538
343
RIPX l scv hot ng cp nht ca RIP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
344/538
344Subnet khng lin tc
RIPX l scv hot ng cp nht ca RIP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
345/538
345Trng Subnet
RIPChia ti vi RIP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
346/538
346
Ngm nh 4 ng, ti a 6 ng.
Ch quan tm n shop.
RIPChia ti cho nhiu ng
Chi ti th i d li
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
347/538
347
Administrative distance: ch stin cy Chia ti theo gi dliu
Chia ti theo a chch
RIPTch hp ng cnh vi RIP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
348/538
348
RIPTch hp ng cnh vi RIP
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
349/538
349
nh tuyn theo trng thi ng lin ktc im chung
Sdng ng ngn nht. Ch cp nht khi c skin xy ra. Gi gi thng tin v trng thi cc ng lin kt cho tt
c cc router trong mng. Mi router c ci nhn y v cu trc h thng mng. Hi t nhanh.
Khng b lp vng. Cu hnh phc tp hn. i hi nhiu b nh.
Tn t bng thng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
350/538
350
Tn t bng thng.
nh tuyn theo trng thi ng lin ktc im chung
Cc router trao i thng tin nh tuyn xy dng mt bn y v cu trc hthng mng. Router ttnh ton v chn ng i tt nht n mng ch a lnbng nh tuyn.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
351/538
351
bng nh tuyn. Khi cc router c hi t th mi thay i cu trc mng sc cp nht bng mt
gi thng tin nh chkhng phi nguyn bng nh tuyn.
nh tuyn theo trng thi ng lin ktc im chung
Router A Router C
Router B Router D
Router E2
2
1
1
4
4
2
2
4
4
1
1
B - 2
C - 1
B - 2
C - 1A - 2
D - 4
A - 2
D - 4A - 1
D - 2
E - 4
A - 1
D - 2
E - 4
C - 2
B - 4
E - 1
C - 2
B - 4
E - 1
C - 4
D - 1
C - 4
D - 1
Router A Router B Router C Router D Router E
Link State Database
A
A B
BC
C D
D
Link State Routing (LSR)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
352/538
352
CB
D
A D
EC
D A
E B
E C B
A
OSPF (OPEN SHORTEST PATH FIRST)Tng qut v OSPF
OSPF ctrin khai datheo cc chun
m. Tt hn RIP. C kh nng
m rng. C thcu hnh
n vng sdng cho ccmng nh
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
353/538
353
mng nh.
OSPF (OPEN SHORTEST PATH FIRST)Mt sthut ngca OSPF
Link: mt cng trnrouter. Link-state: trng thi
ca mt ng lin ktgia 2 router.
Topological database:danh sch cc thng tinv mi ng lin kttrong vng.
Area: tp hp cc mngv cc router c cngch sdanh nh vng.Mi router trong 1 vngch xy dng c s dliu v trng thi ng
lin kt trong vng .
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
354/538
354
lin kt trong vng .
OSPF (OPEN SHORTEST PATH FIRST)Mt sthut ngca OSPF
Cost: gi tr chi pht cho mt nglin kt (da trnbng thng hoc tc
ca ng lin kt). Routing table: bng
nh tuyn l kt qu
chn ng ca thutton chn ng datrn c s d liu vtrng thi ng linkt.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
355/538
355
OSPF (OPEN SHORTEST PATH FIRST)Mt sthut ngca OSPF
Adjacency database:danh sch cc routerlng ging c miquan h hai chiu.Mi router c mtdanh sch khc nhau.
DR (DesignatedRouter) v BDR(Backup Designated
Router) l router ctt c cc router khctrong cng mng bura lm i din. Mimng s c mt DR
v BDR ring.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
356/538
356
v BDR ring.
OSPF (OPEN SHORTEST PATH FIRST)Thut ton tm ng ngn nht
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
357/538
357
OSPF (OPEN SHORTEST PATH FIRST)Cc loi mng OSPF
OSPF nhn bit 3loi mng:
Mng qung b
a truy cp. Mng im ni
im.
Mng khngqung b a truycp (NBMA Nonbroadcast
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
358/538
358
Nonbroadcastmultiaccess).
OSPF (OPEN SHORTEST PATH FIRST)Cc loi mng OSPF
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
359/538
359
OSPF (OPEN SHORTEST PATH FIRST)Cc kiu gi tin OSPF
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
360/538
360
OSPF (OPEN SHORTEST PATH FIRST)DR v BDR nhn cc gi LSAs
Router vi Router IDcao nht c chnlm DR, ktip l BDR.
Cc router ch githng tin v trng thing lin kt cho DR.
DR s gi thng tinny cho cc routertrong mng bng ach multicast 224.0.0.5.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
361/538
361
OSPF (OPEN SHORTEST PATH FIRST)Phn header ca gi OSPF v OSPF Hello
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
362/538
362
OSPF (OPEN SHORTEST PATH FIRST)Router ID
Router ID l mt s32 bit, c gi trduy nht, dng nhn dng router.
Mc nh Router ID c chn tach IP cao nht trong scc giao tip
ang hot ng trn router, ngoi trloopback interface hoc Router Priorityc cu hnh (mc nh l 1).
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
363/538
363
OSPF (OPEN SHORTEST PATH FIRST)Cc bc hot ng ca OSPF
Bc 1: pht hinrouter lng ging bnggiao thc OSPF Hello.
Bc 2: bu DR v
BDR(trong mng a truycp).
Bc 3: Mi router githng tin v trng thing lin kt trong
gi LSAs (Link-StateAdvertisements). Saukhi c s d liu vtrng thi ng linkt y , p dngthut ton SPF chnng tt nht a
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
364/538
364
ng tt nht avo bng nh tuyn.
OSPF (OPEN SHORTEST PATH FIRST)Cu hnh OSPF n vng
Khi ng nh tuyn OSPF:
Router(config)#router ospfprocess-id
Khai bo a ch mng cho OSPF:
Router(config-router)#networkaddress willcard-maskarea area-id
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
365/538
365
OSPF (OPEN SHORTEST PATH FIRST)Cu hnh OSPF n vng
R2
R1 R3
S0 S1
E0
S0
E0
S0
200.0.0.17
200.0.0.9
200.0.0.10 200.0.0.13
200.0.0.14
200.0.0.18 200.0.0.34255.255.255.240
255.255.255.252 255.255.255.252
255.255.255.224
200.0.0.33
R1#config tEnter configuration commands, one per line. End with CNTL/Z.R1(config)#router ospf 1R1(config-router)#network 200.0.0.16 0.0.0.15 area 0R1(config-router)#network 200.0.0. 8 0.0.0.3 area 0R1(config-router)#^Z
A B
R3#config tEnter configuration commands, one per line. End with CNTL/Z.R3(config)#router ospf 1R3(config-router)#network 200.0.0. 32 0.0.0.31 area 0R3(config-router)#network 200.0.0. 12 0.0.0.3 area 0R3(config-router)#^Z
32 - 63
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
366/538
36612 - 15
OSPF (OPEN SHORTEST PATH FIRST)Cu hnh a ch loopback cho OSPFTo cng loopback v t a ch IP:
Router(config)#interface loopbacknumber
Router(config-if)#ip address ip-address subnet-mask
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
367/538
367
OSPF (OPEN SHORTEST PATH FIRST)Cu hnh quyn u tin cho routerThay i gi tru tin cho OSPF:
Router(config-if)#ip ospf priority number
Router#show ip ospf interfacetype number
(0 255)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
368/538
368
OSPF (OPEN SHORTEST PATH FIRST)Cu hnh quyn u tin cho router
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
369/538
369
OSPF (OPEN SHORTEST PATH FIRST)Thay i gi tr chi ph ca OSPFThay i gi tr chi ph cho OSPF:
Router(config)#interface serial 0/0
Router(config-if)#bandwidth 64
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
370/538
370
OSPF (OPEN SHORTEST PATH FIRST)OSPF thc hin qung b ng mc nhCu hnh ng mc nh cho router c cng kt ni ra ngoi:
Router(config)#ip route 0.0.0.0 0.0.0.0 [interface | next-hop address]
Router(config-router)#default-information originate
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
371/538
371
OSPF (OPEN SHORTEST PATH FIRST)Cc lnh showdng kim tra cu hnh OSPF
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
372/538
372
OSPF (OPEN SHORTEST PATH FIRST)Cc lnh showdng kim tra cu hnh OSPF
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
373/538
373
OSPF (OPEN SHORTEST PATH FIRST)Cc lnh showdng kim tra cu hnh OSPF
Rout erA# show i p r out e ospf
Codes: C - connect ed, S - st at i c, I - I GRP, R - RI P, M - mobi l e,B - BGP, D - EI GRP, EX - EI GRP ext er nal , O - OSPF,I A - OSPF i nt er ar ea, E1 - OSPF ext er nal t ype 1,
E2 - OSPF ext ernal t ype 2, E - EGP, i - I S- I S, L1 - I S- I Sl evel - 1, L2 - I S- I S l evel - 2, * - candi dat e def aul t
Gat eway of l ast r esor t i s not set10. 0. 0. 0 255. 255. 255. 0 i s subnet t ed, 2 subnet s
O 10. 2. 1. 0 [ 110/ 10] vi a 10. 64. 0. 2, 00: 00: 50, Et her net 0
Rout erB# show i p ospf nei ghbor
Nei ghbor I D Pr i St at e Dead Ti me Address I nt er f ace
10. 64. 1. 1 1 FULL/ BDR 00: 00: 31 10. 64. 1. 1 Et her net 010. 2. 1. 1 1 FULL/ - 00: 00: 38 10. 2. 1. 1 Ser i al 0
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
374/538
374
OSPF (OPEN SHORTEST PATH FIRST)Cc lnh clearv debugdng kim tra hot ng OSPF
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
375/538
375
CDP (Cisco Discovery Protocol)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
376/538
376
377
CDP (Cisco Discovery Protocol)Show cdp ?
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
377/538
377
378
CDP (Cisco Discovery Protocol)Show cdp neighbors
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
378/538
378
379
CDP (Cisco Discovery Protocol)Show cdp entry
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
379/538
379
380
CDP (Cisco Discovery Protocol)Show cdp traffic
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
380/538
380
381
CHNG 7
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
381/538
381
382
Danh sch kim tra truy cp (ACL)Gii thiu
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
382/538
382
383
Danh sch kim tra truy cp (ACL)Gii thiu
ACL l mt danh sch cc iu kin cp dng cho lu lng i qua mt cngca router. Danh sch ny cho bit loigi no c chp nhn hay b tchi.
ACL c sdng qun l lu lngmng v bo v truy cp ra hoc vo hthng mng.
ACL kim tra cc gi da vo a chngun v ch, giao thc, sport, hngdi chuyn ca gi quyt nh chuyn
gi i hay hy b gi.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
383/538
383
384
Danh sch kim tra truy cp (ACL)Gii thiu
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
384/538
38
385
Danh sch kim tra truy cp (ACL)Gii thiu
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
385/538
386
Danh sch kim tra truy cp (ACL)Cng dng ca ACL
Gii hn lu lng mng tng hiusut hot ng ca mng. V d cm lu lng truyn Video.
Kim tra dng lu lng, quyt nh chophp hoc cm loi lu lng no ci qua.
V d lu lng email, telnet. Bo v truy cp.
Ch cho php user truy cp vo mt loi tp
tin no , vo vng mng no trong hthng.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
386/538
387
Danh sch kim tra truy cp (ACL)Hot ng ca ACL
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
387/538
388
Danh sch kim tra truy cp (ACL)Phn loi
ACL c bn (1-99): thc hin kim tra a ch IP ngun ca gid liu.
ACL m rng (100-199): kim tra a ch ngun v ch ca gid liu, kim tra giao thc ln sport.
ACL t tn (Name): t phin bn Cisco IOS 11.2 tr i, chophp to ACL c bn v m rng theo tn thay v theo s.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
388/538
389
Danh sch kim tra truy cp (ACL)To ACL c bn
C php lnh:
Router(config)#access-list access-list-number {deny | permit}
source [source-wildcard]..
Router(config-if)#{protocol} access-group access-list-number
{in | out}
Hy mt ACL:Router(config)#no access-list access-list-number
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
389/538
390
Danh sch kim tra truy cp (ACL)To ACL c bn
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
390/538
391
Danh sch kim tra truy cp (ACL)To ACL c bn
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
391/538
392
Danh sch kim tra truy cp (ACL)To ACL c bn
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
392/538
393
Danh sch kim tra truy cp (ACL)To ACL c bn
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
393/538
394
Danh sch kim tra truy cp (ACL)Mt snguyn tc c bn khi to ACL
Mt ACL cho mt giao thc trn mtchiu ca mt cng.
ACL c bn nn t v tr gn mng
ch nht. ACL m rng nn t v tr gn mng
ngun nht.
Cc cu lnh trong mt ACL sc kimtra tun tttrn xung cho n khi c
mt cu lnh c tho, nu khng thgi d liu cng s b tchi.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
394/538
395
Danh sch kim tra truy cp (ACL)Mt snguyn tc c bn khi to ACL
C mt cu lnh tchi tuyt i nm n cuicng trong ACL.
Cc cu lnh trong ACL nn xp tchi tit ntng qut.
Trong mt cu lnh ACL, iu kin c kimtra trc ri mi kim tra ti vic cho php haytchi.
Nn sdng cng c son tho vn bn son trc cc cu lnh ACL. Dng lnh mi lun c thm vo cui danh
sch ACL. Lnh no access-list x s xa tan bACL x.
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
395/538
396
Danh sch kim tra truy cp (ACL)Wildcard mask
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
396/538
397
Danh sch kim tra truy cp (ACL)Wildcard mask
MASK (192.168.1.1) Matching IP0.0.0.0 (host) 192.168.1.1
0.0.0.255 192.168.1.0-255
0.0.255.255 192.168.0-255.0-255
0.255.255.255 192.0-255.0-255.0-255
255.255.255.255 0-255.0-255.0-255.0-255 (any)
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
397/538
398
Danh sch kim tra truy cp (ACL)Wildcard mask
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
398/538
399
Danh sch kim tra truy cp (ACL)Tkha Any v Host
Access-list 1 permit 200.0.0.9 0.0.0.0hay
permit host 200.0.0.9
Access-list 1 permit 0.0.0.0 255.255.255.255hay
permit any
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
399/538
400
Danh sch kim tra truy cp (ACL)Tkha Any v Host
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
400/538
401
Danh sch kim tra truy cp (ACL)To ACL m rng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
401/538
402
Danh sch kim tra truy cp (ACL)To ACL m rng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
402/538
403
Danh sch kim tra truy cp (ACL)To ACL m rng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
403/538
404
Danh sch kim tra truy cp (ACL)To ACL m rng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
404/538
405
Danh sch kim tra truy cp (ACL)To ACL m rng
-
7/29/2019 Bai Giang Mon Thiet Bi Mang - 9 Chuong
405/538
406
Danh sch kim tra truy cp (ACL)To ACL m rng
S0
S0
E0 E0
A B
192.168.0.34 should be denied FTP of 192.168.0.18
On Router R1Config# Access-list 100 deny tcp 192.168.0.34 0.0.0.0
192.168.0.18 0.0.0.0 eq 21
Config# access-list 100 permit IP any any
Config#int s0Config-if# ip access-group 100 IN
192.168.0.18 should be denied website of 192.168.0.34
On Router R3Config# Access-list 100 deny tcp 192.168. 0.18 0.0.0.0 192.168.0.34
0.0.0.0 eq 80Config# access-list 100 permit IP any any
Config#int s0Config-if# ip access-group 100 IN
S1S0
192.168.0.17255.255.255.248
192.168.0.5255.255.255.252
192.168.0.6255.255.255.252
192.168.0.33
255.255.255.240
192.168.0.34
255.255.255.240
192.168.0.18255.255.255.248
192.168.0.9255.255.255.252
192.168.0.10255.255.255.252
-
7/29/2019