Tuesday, October 6, 2009

Switching - Configuring VLAN?

To setup 2 switches with VLAN's 4 and 5 and link with a trunk in 802.1q mode, for example:

conf t 
vlan 4 name jim 
vlan 5 name claire 
int fa0/1 
switchport access vlan 4 
int fa0/2 
switchport access vlan 5 
int fa0/11 
switchport mode trunk 
switchport trunk encapsulation dot1q 
exit
On older IOS:
vlan database   vlan 4 name jim   vlan 5 name claire   exit
To view VLAN's use "sh vlan".
note: In the example above if Switch 1 is in VTP server mode and switch 2 in client mode, the VLAN information shoud be transmitted on the trunk and appear on switch 2.

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