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Breviar Lab5 RL 

Vlan configuration

* Explicit vlan configurationSwitch(config)#vlan 100

Switch(config-vlan)#name MarketingSwitch(config-vlan)#end 

* Add a port to a vlan

Switch(config)#interface FastEthernet 0/11Switch(config-if)#switchport mode access

Switch(config-if)#switchport access vlan 10% Access VLAN does not exist. Creating vlan 10 

* Configure trunking / native vlan / allowed vlans

Switch(config-if)#switchport mode trunk

Switch(config-if)#switchport trunk native vlan 42Switch(config-if)#switchport trunk allowed vlan except 30

Switch(config-if)#switchport trunk allowed vlan ?

WORD VLAN IDs of the allowed VLANs when this port is

in trunking mode

add add VLANs to the current list

all all VLANs

except all VLANs except the following

none no VLANs

remove remove VLANs from the current list

* Management vlan

Switch(config)#interface vlan 100Switch(config-if)#ip address 192.0.2.101 255.255.255.0

 

Verification* Show commands

Switch#show vlan briefVLAN Name Status Ports---- ---------- --------- --------------------------

1 default active Fa0/2, Fa0/3, Fa0/4, Fa0/5Fa0/6, Fa0/7, Fa0/8, Fa0/9…

10 VLAN0010 active Fa0/11100 Marketing active Fa0/12

...Switch#show interfaces trunkPort Mode Encapsulation Status Native vlan

Fa0/1 on 802.1q trunking 42 Port Vlans allowed on trunk

Fa0/1 1-29,31-1005

 

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 Configuration* Create and configure subinterfaces

Router(config)#int FastEthernet 0/0

Router(config-if)#no shutdown%LINK-5-CHANGED: Interface FastEthernet0/0, changed

state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface

FastEthernet0/0, changed state to up Router(config-if)#interface Fa 0/0.50

%LINK-5-CHANGED: Interface FastEthernet0/0.50,

changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface

FastEthernet0/0.50, changed state to up 

Router(config-subif)#encapsulation dot1Q 50Router(config-subif)#ip address 192.0.2.1 255.255.255.0 

Router(config-if)#interface Fa 0/0.75

%LINK-5-CHANGED: Interface FastEthernet0/0.75,changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on InterfaceFastEthernet0/0.75, changed state to upRouter(config-subif)#encapsulation dot1Q 75

Router(config-subif)#ip address 192.0.3.1 255.255.255.0 

Verification* Show commands

Router#show ip interface brief

Interface IP-Address OK? Method Status ProtocolFastEthernet0/0 unassigned YES unset up upFastEthernet0/0.50 192.0.2.1 YES manual up upFastEthernet0/0.75 192.0.3.1 YES manual up up

FastEthernet0/1 unassigned YES unset administratively down

 

Router#show ip route

C 192.0.2.0/24 is directly connected, FastEthernet0/0.50

C 192.0.3.0/24 is directly connected, FastEthernet0/0.75

 

* Debugging

Router#debug ip packet

IP: tableid=0, s=192.0.2.2 (FastEthernet0/0.50), d=192.0.2.18

(FastEthernet0/0.50), routed via RIB

IP: s=192.0.2.2 (FastEthernet0/0.50), d=192.0.2.18

(FastEthernet0/0.50), len 128, rcvd 3

 

IP: tableid=0, s=192.0.2.18 (local), d=192.0.2.2

(FastEthernet0/0.50), routed via RIB

IP: s=192.0.2.18 (local), d=192.0.2.2 (FastEthernet0/0.50),len 128, sending