configure router

I ng nhp vo 1 Cisco Router:

Router c 2 ch l : user mode (ch c th xem thng tin) v privileged mode (c th thay i cu hnh). vo privileged mode ta dng lnh enable (g tt l en ). Router>Router>enable hay Router>enRouter#K hiu # cho bit bn ang trong ch privileged. that khi privileged mode ta dng lnh disable.

Router#disableRouter>

that ra ngoi ta dng lnh logout hay exit. vo ch cu hnh ton cc (global configuration mode) ta dng lnh configure terminal (g tt l config t).Router#config tEnter configuration commands, one per line. End with CNTL/Z.

Router(config)#

Tip theo thay i interface ta dng lnh interface ethernet.

Router(config)#int e 0Router(config-if)#

II-Xem thng tin router:1. Lnh show version (sh ver):Lnh ny s cho bit nhng cu hnh ca h thng phn cng nh l : phin bn phn mm, cc tn v cc ngun ca cc files cu hnh v cc nh boot.Ngoi ra lnh ny cn cho ta bit router hot ng c bao lu, lai phn cng v phin bn b x l.2. Lnh show running-config (sh run)Ta c th xem cu hnh hin ti bng lnh ny. 3. Lnh startup-config (sh start):

Lnh ny cho ta xem cu hnh ca ln sau khi router khi ng li.N cng cho ta bit s lng NVRAM dng lu file startup-config.4. Lnh erase startup-config:

Lnh ny dng xa file startup-config.

III-t passwords

t 2 password cho php (enable password) bo v ch privileged mode.

Router(config)#enable secret todd

Router(config)#enable password cisco

t password bo v ch user mode bng lnh line:

Router(config)#line aux 0

Router(config-line)#login

Router(config-line)password todd

t console password:

Router(config)#line con 0

Router(config-line)#login

Router(config-line)#password todd1

IV-Lu li nhng cu hnh va thay i:

Dng lnh copy running-config startup-config (g tt l copy run start).V-M ha cc password:

Theo mc nh th ch c enable secret password l c m ha, cc password khc ta phi t m ha bng cch dng lnh service password-encryption

Router(config)# service password-encryption

Router(config)#enable password cisco

Router(config)#line con 0

Router(config)#login

Router(config)#password todd

Router(config)#line aux 0

Router(config)#login

Router(config)#password todd1

Router(config)#exit

Router(config)#no service password-encryption

VI-t banner

Dng lnh banner motd #.

VII-Cu hnh router interface:

Cu hnh interface l mt phn quan trng trong cu hnh router, khng c cc interface th router v dng.Cu hnh interface phi chnh xc th mi giao tip c vi cc thit b khc.Ty theo port m ta cn cu hnh m la chn lnh tng ng.

Cu hnh serial port:

Router(config)#int serial 0

Router(config-if)#no shutdown

Cu hnh ethernet port:

Router(config)#int ethernet 0

Router(config-if)#no shutdown

Mt s Router (nh Router 2600 chng hn) th c php lnh nh sau:

Router(config)#int fastethernet slot/port

VIII-Cu hnh a ch IP trn mt interface:

cu hnh a ch IP cho interface ta dng lnh ip address.

V d cu hnh interface ethernet 0 vi a ch ip l 172.16.10.2 v subnet mask l 255.255.255.0 nh sau:

Router(config)#int e0

Router(config-if)#ip address 172.16.10.2 255.255.255.0

Router(config-if)#no shutNu ta lp li cc cu lnh trn vi a ch ip v mask khc th n s t ng c thay th.Nu mun cu hnh a ch th hai trn cng interface th phi dng lnh secondary km theo sau.

Router(config-if)#ip address 172.16.20.2 255.255.255.0 secondaryIX-Cu hnh serial interface:X-t tn Router:

Dng lnh hostname.

Router(config)#hostname R1

R1(config)#

XI-t nhng miu t v interface:

Dng lnh description.

V d , miu t interface 0 l kt ni vi mng WAN n TPHCM.

Router(config)#int e 0

Router(config-if)#desc WAN to HCM city

XII-Cu hnh static routing:

Dng lnh ip route nh tuyn cho router ang xt.

V d nh tuyn mng 172.16.10.0 ca router1 n router k tip c gateway l 172.16.20.1

Router1(config)#ip route 172.16.10.0 255.255.255.0 172.16.20.1

Nu mun b cu lnh trn th dng lnh no ip route.

kim tra li ta dng cc lnh show ip route v ping.

XIII-Cu hnh default routing:

Trc khi cu hnh default routing ta phi xa ht cc static routing trn router. cu hnh default routing ta cng dng lnh ip route nhng phi c tip theo sau l lnh ip classes.

V d:

Router(config)#ip route 0.0.0.0 255.255.255.0 172.16.20.1

Router(config)#ip classes

Cu lnh trn c ngha l router s chuyn tt c cc packets (m packet ny mun n mng khng c trong routing table ) n gateway ca router k n c ip l 172.16.20.1.

XIV-Cu hnh RIP routing:

Ta dng lnh nh sau:

Router(config)#router rip

Router(config-router)#network 172.16.0.0

Luu tt c cc router trong cng mt mng phi khai bo a ch lp mng nh nhau.

XV-Cu hnh IGRP routing:

Interior Gateway Routing Protocol (IGRP) l 1 pht minh ca Cisco .Cu hnh IGRP cng tng t nh RIP.

XVI.1 cu hnh IPX Routing c bn

Trong phn ny chng ta s trnh by cch cu hnh cn bn IPX(Internetwork Packet Exchange) vi router 2501A chng hn. gi s ta ang ch c quyn # ta g lnh config t

2501A#config t

2501A(config)#

Sau g lnh ipx routing,

2501A(config) ipx routing

Khi bn enable ipx routing trn 1 router th RIP v SAP (Service Adverting Protocol) cng c t ng kch hot . mc d bn thy khng c g thay i cho n khi cu hnh ring l vi a ch IPXBc k tip l enable IPX trong giao din ring

2501A(config)#int e0

2501A(config-if)#ipx network 10

Ch cn nhp s mng ( network number) v i vi giy , IPX rt tch cc trong vic tm ng bi v n broadcast cho tt c , tuy nhin iu ny s gp vn trong 1 mng ln.

XVI.2 Cu Hnh Mng Vi IpxTrong lab ny chng ta s cu hnh cho tt c cc router trong mng vi IPX ( cc Switchs khng chy c IPX) .trong phn ny ta cng ch cu hnh cn bn . s mng ta s dng tng ng vi subnet ca tng mng , tuy nhin khng nhm ln l network number ca IPX khng lin quan g n a ch IP , y ta ly s mng ( network number) bng vi s subnet cho d nh thi

1. Kt ni vo router 2501A cu hnh IPX routing v chn s mng ipx n c 2 cng ang hot ng . cng Ethernet0 c ni vi subnet 60 cho nn ta ly s mng ipx l0 , tng t vi cng serial0 ta ly s mng ipx l 20 v ni vi subnet 20.

2501A>en

2501A#conf t

2501A(config)#ipx routing

2501A(config)#int e0

2501A(config-if)#ipx network 60

2501A(config-if)#no shut

2501A(config-if) #exit

2501A(config)#int s0

2501A(config-if)# ipx network 20

2501A(config-if)#no shut

2501A(config-if)# ^z

2501A#

2. Kt ni vo router 2501B v cu hnh ipx routing tng t 2501A ,vi s mng ipx cng Ethernet0 l 70 v cnng Serial0 l 30

2501B>en

2501B#conf t

2501B(config)#ipx routing

2501B(config)#int e0

2501B(config-if)#ipx network 70

2501B(config-if)#no shut

2501B(config-if) #exit

2501B(config)#int s0

2501B(config-if)# ipx network 30

2501B(config-if)#no shut

2501B(config-if)# ^z

2501B#

Kt ni router 2501C v cu hnh cng e0 vi s mng ipx l 80

2501C>en

2501C#conf t

2501C(config)#ipx routing

2501C(config)#int e0

2501CB(config-if)#ipx network 80

2501C(config-if)#no shut

2501C(config-if) #^Z

XVI.3 Xc Nhn Ipx Route- T router 2501A dng lnh show ipx route xem tt c ipx route

2501A #show ipx route

- Lnh show protocol xem a ch ipx trn tt c cc cng .

- Lnh show ip traffic xem thng tin v RIP v SAP gi v nhn trn router

2501A# show ipx traffic

Lnh show ipx interface xem s mng trong mi cng .

Lnh show ipx server cho thy c bng SAP c xy dng bi router.

Lnh dubug ipx routing activity xem thng tin v RIP gi v nhn trn router .

2501A# debug ipx routing activity

v lnh undebug all tt debugging

XVI.4 Adding A Secondary Ipx NetworkNu bn mun h tr thm cc frame khc Novell , Ethernet, bn c th dng lnh secondary trn Ethernet network.

1. Thm 1 mng khc dng frame loi 802.2 trn mng Ethernet ni n 2501A chng ta s dng s mng ipx l 60a

2501A#conf t

2501A(config) #int e0

2501A(config-if ) #ipx network 60a encapsulation sap secondary

2501A(config-if)^z

2501A# Nu khng c ch secondary trong cu lnh trn th loi frame s mc nh l 802.3 ch khng phi l 802.2

2. Xc nhn xem cu hnh trn ta sng lnh sh running-config

2501A# sh running-config

bn s thy 2 mng ipx chy trn cng 1 cng e0

3. g lnh sh ipx route t 2501A

2501A#show ipx router

Chng ta xem ,mc d 60a ipx trong nhm ni trc tp nhng m ch c nh cngha l secondary4. Thm vo router 2501B 1 mng ipx th 2 chy loi frame Ethernet_II vi s mng l 70a

2501B#conf t

2501B(config) #int e0

2501B(config-if ) #ipx network 70a encapsulation arpa secondary

2501B(config-if)^z

2501B#5. Thm 1 mng th 2 chy loi frame SNAP vo router 2501C, dng s mng 80a

2501C#conf t

2501C(config) #int e0

2501C(config-if ) #ipx network 80a encapsulation SNAP secondary

2501C(config-if)^z

2501C#Tt c 4 kiu Ethernet frame c cu hnh vo mng

XVI.5thm Vo 1 Mng Ipx Th 2 Bng Cch Dng SubinterfaceGiao din con ( subinterface) l 1 cch khc to 1 giao din Ethernet th 2 , ta dng cu lnh interface vi du chm v con s , v d : e0.55 . s giao din con khng lin quan n a ch ip

1. Trn router 2501A chng ta cu hnh loi frame 802.3 v 802.3, ta tip tc cu hnh loi frame Ethernet_II v SNAP dng 2 giao din con 2501A#conf t

2501A(config)# int e0.1

2501A(config_subif)#ipx network 60b encap arpa

2501A(config_subif)# int e0.2

2501A(config_subif)#ipx network 60c encap SNAP

2501A(config_subif)# ^z

2501A#

S giao din con dng (.1v .2)l tu bn c th dng 1 s bt k no bn mun ,ngoi ra phi dng s mng ipx khch vi s ipx dng riXVI.6 Xc Nhn Vi Cdp( Cisco Discovery Protocol) V Ipx PingCc cu lnh cdp c th dng tm a ch ipx ca router ln cn . v a ch ny c th dng vi cu lnh ipx ping

1. Kt ni n router 2501A v dng cdp tm a ch ipx ca 2501C

2501A#sh cdp neighbor detail2. Dng a ch ipx m cdp hin th ping router 2501C

2501A#ping ipx address

3. Telnet vo 2501C ly a ch ca router 2501B sau tr v 2501A v ping 2501B vi ipx

2501A#telnet 172.16.20.1

2501C#show cdp neighbor detail

2501C#[ctrl +shift+6 then x]

2501A# ping ipx address

Ch : nu xy dng bng hoat . bn ch cn telnet n 2501C bng 2501C m khng cn g a chXVII.1 STANDARD IP ACCESS_LISTAccess_list c th phc tp bi v nu bn khng to list ng , c th lm rt mng . trong lab ny s cho bn ngn chn truy cp n mng 172.16.60.0 t host G v H

1. Xc nhn rng bn c th Ping n Switch 1900c V host E t host G v H

2. Kt ni vo router 2501A v to access_list m cm truy cp t host G v H n mng 172.16.60.0

2501A#conf t

2501A(config)#access_list 10 deny host 172.16.80.3

2501A(config)#access_list 10 deny host 172.16.90.3

2501A(config)#access_list 10 permit any

Nn nh rng ip standard_list c th c to chosest n mng ch , chnh v th m tao xy dng access_list trn router 2501A

3. Add access_list n giao din s0 ca router 2501A

2501A(config) #int s0

2501A(config-if)# ip access-group 10 in

p dng access_list 10 vo giao din s0 ca 2501A v lc tt c cc gi tin vo

4. Kim tra xem host G v H khng th ping vo 172.16.60.2 v 172.16.60.3

5. Nu access_list l ng , tt c cc thit b vn c th n c mng 172.16.60.0. hy ping t router 2501C xem c th n c 172.16.60.2 v 172.16.60.3 khng

XVII.2 XC NHN STANDARD ACCESS_LISTPing v telnet l cch tt xc nhn mng v access_list , nhng dng cc lnh ca cisco th li c li hn i vi list

1. Kt ni n router v g show access_list xem list c cu hnh

2501A#show access_list

2. Cng c th g sh ip access_list hoc sh access_list 10 xem c th hn3. xem giao din no gn access_list ta dng lenh show ip interface

2501A# sh ip int

4.Lnh show running-config c th xem c access_list ln ni ch n2501A# sh running-config

XVII.3 T ACCESS_LIST VO VTY LINEBn cm thy kh khn khi mun dng 1 user t vic telnet vo 1 router b v cc cng ang hot ng trn router thun li cho VTY truy cp , tuy nhin ta c th dng standard ip access_list iu chnh vic truy cp bng cch access_list ngay trong VTY line

thc hin ta tin hnh cc bc :

1. To 1 standard access_list m ch cho php 1 host hoc nhng host m bn mun c th telnet vo router

2. Gn access_list vo VTY line

trong lab ny s gip bn dng host G v H trong vic telnet n router 2600A

a. Phi xc nhn xem host G v H c th telnet vo router 2600A cha

b. Kt ni vo router 2600A v cm vic telnet cho host G v H , nhng v ncho php cc thit b khc telnet vo2600A # conf t

2600A(config)# access_list 10 deny host 172.16.80.3

2600A(config)# access_list 10 deny host 172.16.90.3

2600A(config)# access_list 10 permit any

c. Gn access_list thng vo VTY khng phi gn vo giao din

2600A(config)#line vty 0 4

2600A(config-line)# access_list 10 in

2600A(config-line)#^z

2600A#

d. Xc nhn li host G v H khng th telnet vo 2600Ae. Xc nhn rng router 2501C vn cn c th telnet vo router 2600A

2501C# telnet 172.16.40.1

XVII.4 EXTENDED IP ACCESS_LISTTrong lab ny, chng ta s remove standard ip access_list trn router 2501A v to access_list mi ngn gn hn. Chng ta mun host G v H sng dch v ny trn a ch mng 172.16.60.0 , nhng khng mun chng telnet vo switch 1900C

1. Removw access_list trn router 2501A

2501A#conf t

2501A(config) # no access-list 10

2. Xo access_list trn giao din s0 ca 2500A

2501A(config)#int s0

2501A(config-if)#no ip access_group 10 in

3. Xc nhn xem host G v H c th ping 172.16.60.2 v 172.16.60.3 cha

4. To 1 access_list trn router 2501A cn telnet truy cp vo 172.16.60.0 nhng vn cho host G v H ping host E2501A#conf t

2501A(config)# access_list 110 deny tcp host 172.16.80.3

2501A(config)# access_list 110 deny tcp host 172.16.90.3

2501A(config)# access_list 110 permit tcp any any

access_list ny cm ip 172.16.80.3 v 172.16.91.3 telnet vo 172.16.61.05. Gn access_list ny vo s0 ca router lc gi tin n router

2501A(config)#int s0

2501A(config-if)#ip access-group 110 in

2501A(config-if)#^Z

6. Nu mun dng gi tin n ngun to ip access_list m rng trn 2600A. trc tin xo cc cu hnh trn 2501A2501A#conf t

2501A(config) # no access-list 110

7.Xo b access_list trn s0 ca 25012501A(config)#int s0

2501A(config-if)#no ip access_group 110 in

8. To access-list trn router 2600A chn telnet vo 172.16.60.0, nhngvn cho host G v H ping host E

2600A#conf t

2600A(config)# access_list 110 deny tcp host 172.16.80.3

2600A(config)# access_list 110 deny tcp host 172.16.90.3

2600A(config)# access_list 110 permit tcp any any

9. By gi gn access_list vo giao din fastethernet 0/0 ca 2600 lc tin i ra khi router

2600A(config)#int fastethernet0/0

2600A(config-if) # ip access_group 110 out

2600A(config-if)#^z

10. kim tra access_list bng telnet

172.16.60.2( bn khng th telnet n host ny)

XVII.5 XC NHN EXTENDED IP ACCESS_LISTChng ta dng cc cu lnh ging nh vi lc xc nhn ip standard access_list. . kt ni vo router 2600A ( nu bn to list trn router ny ) . v xc nhn access_list, dng ping v telnet

1. T router 2600A g lnh show access_list xem list cu hnh 2600A#show access_list

2. Cng c th g sh ip access_list hoc sh access_list 110 xem c th hn3. xem giao din no gn access_list ta dng lenh show ip interface

2600A# sh ip int

4.Lnh show running-config c th xem c access_list ln ni ch n2600A# sh running-configXVII.6 STANDARD IPX ACCESS_LISTVic cu hnh ipx access_list cng ging nh list bnh thng no Standard ipx access list dng ipx ngun v ch hoc a ch mng lc mng

Trong lab ny s cu hnh ipx standard access_list trn router 2600A kho ipx mang 70 khi b qung b n router 2501C v 2501D

1. Kt ni vo router 2600A v xy dng 1 ipx standard access_list m kha ipx network 70 vo cngng fastethernet 0/0

2600A#config t

2600A(config) # access_list 810 deny 70 -1

2600A(config) # access_list 810 permit -1 -1

access list n gin ny s cm bt k gi tin no vi a ch ngun ipx mang 70

2. Gn access list vo giao din fastethernet 0/0 bng lnh ipx access-group

2600A(config) #int fastethernet 0/0

2600A(config-if ) #ipx access-group 810 in

2600A(config-if) #^z

2600A#

Sau 1 vi giy , router 2600A,2501D,2501C s khng cn nhn thy mng ipx 70 trong dang sch ipx routing

XVII.7 XC NHN STANDARD IPX ACCESS_LIST

Chng ta h nh c th s dng cc cu lnh xc nh ipx access_list nh lm vi ip access_list

1. T router 2600A g lnh show access_list xem list cu hnh 2600A#show access_listxut hin c ip va ipx access_list

2. Cng c th g sh ip access_list hoc sh access_list 110 xem c th hn3. xem giao din no gn access_list ta dng lenh show ip interface

2600A# sh ip int

4.Lnh show running-config c th xem c access_list ln ni ch n2600A# sh running-config5. xc nh mang ipx 70 khng th qung b vi danh sch routing ca router 2600A2600A# show ipx router

XVIII.1 CU HNH PPP ENCAPSULATIONppp ( Point to Point Protocol) l 1 giao thc giao tip gia 2 my tnh dng giao din serial . ppp l giao thc song cng hon ton c th giao tp vi nhiu phng tin vt l bao gm cp quang , cp dy xon ,v tinh . dng s bin i ca High Speed Data Link Control (HDLC) cho nhng gi tin tm lc

Trong lab ny ta s cu hnh ppp cho c giao tip serial v thay th HDLC nh l cch tm tc trong serial link

1. Kt ni vo router 2501E v i tm lc trn serial link t HDLC sang ppp

2501E>en

2501E#conf t

2501E(config)#int s0

2501E(config-if) #encap ppp

2501E(config-if) # int s1

2501E(config-if) # encap ppp

2501E(config-if) #^z

2501E#

2. Kt ni vo 2600A i t encapsulation trn serial cnng t HDLC sang PPP

2600A>en

2600A#conf t

2600A(config)#int s0

2600A(config-if) #encap ppp

2600A(config-if) # int s1

2600A(config-if) # encap ppp

2600A(config-if) #^z

2600A#

3.Lm tng t vi 2501A,2501A,2501CXVIII.2 XC NHN PPP ENCAPSULATIONKhi thay th HDLC ta cn xem lai mng ca ta cn hot ng ng n hay khng

Dng cc lnh show ip route hoc sh ipx route chc l tt c ip v ipx vn cn tn ti2501#sh ip route

2501#sh ipx route

Dng lnh sh int xem serial link tm lc2600A#sh int s0/0

2600A#sh int s0/1

XVIII.3CU HNH PPP XC NHN VI CHAP (CHANLLEGE HANDSHAKE AUTHENTICATION PROTOCOL)

Gi s mng ang hot ng vi ppp , ta c th dng ppp authentiacation dng nhng users khng mun cho kt ni ti mng ca mnh . mc d n in hnh dng vi loi quay s nhng vn dng c vi serial interface

CHAP c dng lc mi bt u kt ni v khong thi gian kim tra ng kt ni . chc l router vn cn lin lc vi cng host. Sau khi ppp kt thc qa trnh khi to , 1 router gi yu cu n 1 thit b t xa. thit b t xa gi li 1 gi tr tnh ton dng hm bm 1 chiu gi l MD5. router s kim tra gi tr bm chc l n tho .nu gi tr khng tho ngay lp tc kt thc

cu hnh ppp authentication , trc tin phi t hostname, sau t username v passwork cho router t xa kt ni vo router ca bn . v d nu bn kt ni vo router 2501A v mun cu hnh authentication , ban phi t hostname, username m gm router m bn s ni vo .

router#config t

router(config)#hostname 2501A

2501A(config)#username 2501E password cisco

Khi dng lnh hostname ,nh l username l hostname ca router t xa kt ni vo router bn . phn bit ch hoa v ch thng , hn na password trn 2 router phi ging nhau. N l vn bn thun tu v c th thy c vi lnh show run.

Phi c 1 username v password c cu hnh cho c h thng t xa m sp kt ni vo

2501A#conf t

2501A(config) # int s0

2501A(config-if) # ppp authentication chap

2501A(config-if)#^z

2501A#

T router 2501A to username ca router2501E vi password cisco. Sau cu hnh cng serial0 dng authentication ca chap

2501A#config t

2501A(config)#username 2501E password cisco2501A(config) # int s0

2501A(config-if) # ppp authentication chap

2501A(config-if)#^z

2501A#T router 2501E to username ca router2501A vi password cisco. Sau cu hnh cng serial0 dng authentication ca chap

2501E#config t

2501E(config)#username 2501A password cisco2501E(config) # int s0

2501E(config-if) # ppp authentication chap

2501E(config-if)#^z

2501E#XVIII.4 XC NHN PPP VI AUTHENTICATION CHAPKhi cu hnh ppp vi authentication th ta cn xc nhn xem mng ca ta cn chy n nh khng

Dng lnh sh ip route hoc sh ipx route kim tra s tn ti ca chng. V show int

2600A#sh ip/ipx router

2600A#sh int s0/0XVIII.5 TM HIU FRAME RELAY ENCAPSULATIONFrame relay cung cp 1 giao din giao tip gia DTE ( Data Terminal Equiment) v DCE ( Data Circuit-terminating Equiment nh l Switch) .DTE bao gm pc, router .

Frame relay cung cp nh hng kt ni lp Data Link giao tip theo ng mch o . dng 2 PVC( Permament Virtual Circuit) v SVC( Switch Virtual Circuit). hu ht mng frame relay ch dng PVCs. N cung cp y ng dn n mng ch khi gi gi tin u tin

*Cu hnh frame relay Encapsulation. Khi cu hnh frame relay trn router cisco, bn cn xc nh r n trn giao din serial.

2501A(config)#int s0

2501A(config-if)#encap frame-relay ?

-Frame relay DLCI

2501A(config-if)#frame-relay int_dlci 16

-Frame relay LMI (local Management Interface)

2501A(config-if)#frame-relay lmi_type ?

cisco

ansi2501A(config-if)#frame-relay lmi_type ansi * Subinterface ( giao din con) vi frame_relay

nh ngha subinterface vi lnh s0.subinterface number

2501A(config)# int s0

2501A(config)#encap frame-relay

2501A(config)#int s0.16

XVIII.6 CU HNH FRAME RELAY SWITCHINGChng ta c nn tn v cch cu hnh cn bn frame relay trn cisco router.

Trong lab ny ta s cu hnh vi frame relay switch vi 2501E v 2600a, sau cu hnh bng remote frame relay. mng backbone s khng lm vic c vi loi cu hnh ny

2501E erase start

2501E reload

Kt ni n 2501E v cu hnh hostname v password

router>en

router#conf t

router(config)# hostname 2501E

25201E(config)#en secret todd

2501E(config)#line vty 04

2501E(config-line)#login

2501E(config-line)#password cisco

2501E(config-line)#line console 0

2501E(config-line)#login

2501E(config-line)#password cisco

2501E(config-line)#^z

2501E#

Khi router sch s by gi ta c th to frame relay switch vi cu lnh frame-relay swithing, nhng ch l phn d, bn cn phi map(nh x) tt c DLCI trn switch. c ch c 1 kt ni nn s khng tn nhiu thi gian, nhng phi c nhiu PVC

Khi 2501E v cha kt ni vo backbone . chng ta c th cu hnh ging nhau

2501e

serial 0 dlci 16

serial 1 dlci 17

2600A

serial 0 dlci 16

serial 1 dlci 17

Dng lnh frame-relay route nh x tt c dlci

2600A(config)#int s0/0

2600A(config-if)#frame-relaly route 16 int s0/1 17

Cu lnh trn bo cho switch nu n nhn c 1w frame trn serial 0/0 vi pvc 16 th gi n ra serial 0/1 vi pvc17.

Kt ni vo 2501E, cu hnh frame switching. Khng c a ch ip no c n nh . y ch l hm dnh cho lp data link

2501E(config)#frame-relay switching

2501E(config)#int s0

2501E(config-if)# frame intf-type dce

2501E(config-if)#frame-relay route 16 int s1 17

2501E(config-if)#int s1

2501E(config-if)# frame-relay route 17 int s0 16

XVIII.7 CU HNH FRAME RELAY VI SUBINTERFACETrong khi frame relay khng dng a ch ip . v d khi ni 2501A n 2501B s dng 1 subnet v xut hin ging nh kt ni trc tip. dng subnet 172.16.10.0 v ipx mng 10 gia 2 router

1. Kt ni vo 2501A v cu hnh s0 vi frame relay subinterface. lm iu ny ta cn remove a ch ip v s ipx mng t cng serial

2501A(config) #int s0

2501A(config-if)# no ip address

2501A(config-if)# int s0.16 point-to-point

2501A(config-if)#no ipx netword

2501A(config-subif)# ip address 172.16.10.1 255.255.255.0

2501A(config-subif)# ipx network 10

2501A(config-subif)#frame-relay interface-dlci 16

2501A(config-subif)#^Z

2501A#

Lm tng t vi 2501B

Xc nhn frame-relay kt ni bt v ang chy hay cha . ping t 2501A n 2501B

2501A#ping 172.16.10.2

XVIII.8XC NHN FRAME RELAYC nhiu cch kim tra trng thi ca interface v pvc m ta cu hnh. C th dng lnh show frame-relay ? chn la2501>sh frame ?

pp

lmi

map

pvc

route

traffic

1. lnh show frame-relay lmi s cho ta thng k truyn ti trao i lmi gia 2 local router v framerelay switch

2501>sh frame lmi

2. Lnh show frame pvc s lit k tt c cu hnh pvc v s dlci. N cung cp trng thi ca tng pvc kt ni v thng k truyn ti.

2501A#show frame pvc

Bn c th g sh frame pvc 16 xem chi tit hn

V lnh sh int kim tra lmi lu lng trnh by tm lc v layer 2 v layer 3

2501A# sh int s0

Lnh trn trnh by v thng tin line, protocol, dlci v lmi

Lnh show frame map cho bn thy mng nh x t layer n dlci

2501A# sh frame map

Router(config)#router igrp 10

Router(config-router)#network 172.16.0.0

Lu tt c cc router mun chia s thng tin vi nhau th phi khai bo cng mt s AS (v d trn l s 10) .XVI-Backing up v restore cu hnh router:

Bt c thay i cu hnh no ca router th u c ghi vo file running-config.Nu ta khng thc hin lnh copy run start trc khi reboot router th nhng thay i cu hnh ca ta trc l v ngha.

lu tr cu hnh router ta c th lu n n mt host no bng cu lnh copy running-config tftp hay copy starting-config tftp (dng lnh ny khi trc c lnh copy run start) .

V d

Router#copy run tftp

Address or name of remote host[] ? 172.16.10.3

Destination file name [Router-confg] ? Backup1

!!

.

phc hi t mt TFTP server th ta dng lnh copy tftp run hay copy tftp start

Router#copy tftp run

Address or name of remote host [] ? 172.16.10.3

Source file name []? Backup1