Configuring VLAN Trunks

Configuration Examples for VLAN Trunking

 

Command or Action

Purpose

Step 12

end

Returns to global configuration mode.

Example:

Switch(config-if)# end

Step 13

Repeat Steps 9 through 13 on the other configured trunk

 

 

interface on Switch A, and set the spanning-tree path cost

 

 

to 30 for VLANs 8, 9, and 10.

 

Step 14

exit

Returns to privileged EXEC mode.

Example:

Switch(config)# exit

Step 15

show running-config

Verifies your entries. In the display, verify that the path

 

 

costs are set correctly for both trunk interfaces.

 

Example:

 

 

Switch# show running-config

 

Step 16

copy running-config startup-config

(Optional) Saves your entries in the configuration file.

 

Example:

 

 

Switch# copy running-config startup-config

 

Related Topics

Network Load Sharing Using STP Path Cost, on page 65

Configuration Examples for VLAN Trunking

Example: Configuring an IEEE 802.1Q Trunk

This example shows how to configure a port as an IEEE 802.1Q trunk. The example assumes that the neighbor interface is configured to support IEEE 802.1Q trunking.

Switch# configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Switch(config)# interface gigabitethernet0/2

Switch(config-if)#switchport mode dynamic desirable

Switch(config-if)#switchport trunk encapsulation dot1q

Switch(config-if)# end

 

Catalyst 2960-XR Switch VLAN Configuration Guide, Cisco IOS Release 15.0(2)EX1

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Cisco Systems WSC2960XR48FPSI manual Configuration Examples for Vlan Trunking, Example Configuring an Ieee 802.1Q Trunk
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WSC2960XR48FPSI specifications

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