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9. Place the interface in Layer 2 mode.
INTERFACE PORT-CHANNEL mode
switchport
10. Associate the port channel to the corresponding port channel in the VLT peer for the VLT connection
to an attached device.
INTERFACE PORT-CHANNEL mode
vlt-peer-lag port-channel id-number
Valid port-channel ID numbers are from 1 to 128.
11. Ensure that the port channel is active.
INTERFACE PORT-CHANNEL mode
no shutdown
12. Add links to the eVLT port. Configure a range of interfaces to bulk configure.
CONFIGURATION mode
interface range {port-channel id}
13. Enable LACP on the LAN port.
INTERFACE mode
port-channel-protocol lacp
14. Configure the LACP port channel mode.
INTERFACE mode
port-channel number mode [active]
15. Ensure that the interface is active.
MANAGEMENT INTERFACE mode
no shutdown
16. Repeat steps 1 through 15 for the VLT peer node in Domain 1.
17. Repeat steps 1 through 15 for the first VLT node in Domain 2.
18. Repeat steps 1 through 15 for the VLT peer node in Domain 2.
To verify the configuration of a VLT domain, use any of the show commands described in Verifying a VLT
Configuration.
VLT Sample Configuration
To review a sample VLT configuration setup, study these steps.
1. Configure the VLT domain with the same ID in VLT peer 1 and VLT peer 2.
VLT DOMAIN mode
vlt domain domain id
2. Configure the VLTi between VLT peer 1 and VLT peer 2.
3. You can configure LACP/static LAG between the peer units (not shown).
CONFIGURATION mode
964
Virtual Link Trunking (VLT)