Configuring Vlan Trunks; Trunking Overview - Cisco Catalyst 2950 Software Configuration Manual

Configuring VLAN Trunks

This is an example of output from the show vlan brief privileged EXEC command:
Switch# show vlan brief
VLAN Name
---- -------------------------------- --------- -------------------------------
1
2
22
102
200
222
400
1000 VLAN1000
1002 fddi-default
1003 token-ring-default
1004 fddinet-default
1005 trnet-default
2005 VLAN2005
2006 VLAN2006
2007 VLAN2007
This is an example of output from the show running-config vlan command for a range of VLANs:
Switch# show running-config vlan 1005-2005
Building configuration...
Current configuration:
!
vlan 1007
!
vlan 1020
!
vlan 1025
!
vlan 2000
!
vlan 2001
end
Configuring VLAN Trunks
These sections describe how VLAN trunks function on the switch:
•
•
•

Trunking Overview

A trunk is a point-to-point link between one or more Ethernet switch interfaces and another networking device
such as a router or a switch. Fast Ethernet and Gigabit Ethernet trunks carry the traffic of multiple VLANs
over a single link, and you can extend the VLANs across an entire network.
Catalyst 2950 Desktop Switch Software Configuration Guide
13-18
default
VLAN0002
VLAN0022
VLAN0102
VLAN0200
VLAN0222
VLAN0400
Trunking Overview, page 13-18
802.1Q Configuration Considerations, page 13-20
Default Layer 2 Ethernet Interface VLAN Configuration, page 13-21
Status Ports
active Fa0/1, Fa0/2, Fa0/3, Fa0/4
Fa0/5, Fa0/6, Fa0/7, Fa0/8
Fa0/9, Fa0/10, Fa0/11, Fa0/12
Gi0/1, Gi0/2
active Fa0/12
active Fa0/7
active
active
active
active
active
active
active
active
active
active
active
active
Chapter 13 Configuring VLANs
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