Quick Reference Guide

216 | VLANs
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Example of adding a LAG to a VLAN
Figure 14-171. Adding a LAG to a VLAN
1. To create the topology shown in Figure 14-171, create the LAG on switch R1, giving it an integer ID
(and, optionally, a description — the “admin1” shown here). Add ports to it, and enable it (use either
the
no shutdown command inside the Interface Port Channel mode, or use the global mode shown
here).
Figure 14-172. Creating a LAG and Adding Ports
2. Create VLAN 300 and add the LAG to it on switch R1.
Figure 14-173. Adding a LAG to a VLAN
3. Repeat the above sequence on switch R2.
4. Verify the operation on both switches.
Figure 14-174. Verifying a LAG in a VLAN with show vlan id and show port-channel id
R1 (Config)#interface port-channel 1
R1 (conf-if-po- 1)#description “admin1”
R1 (conf-if-po- 1)#channel-member 1/0/35-1/0/37
R1 (Config)#exit
R1 (Config)#port-channel enable all
R1 (Config)#interface vlan 300
R1 (Conf-if-vl-300)#tagged port-channel 1
R2 #show vlan id 300
Codes: * - Default VLAN, G - GVRP VLANs, E - Ethernet interface
Vlan Id Status Q Ports
------- --------- - --------
300 Active T Po1
R2 #show interfaces port-channel brief
LAG Status Ports
--- ------ -------
1 Down 1/0/35 (Down)
1/0/36 (Down)
1/0/37 (Down)