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Configuring a VLT VLAN Peer-Down (Optional)
To configure a VLT VLAN peer-down, use the following commands.
1. Enter VLT-domain configuration mode for a specified VLT domain.
CONFIGURATION mode
vlt domain domain-id
The range of domain IDs is from 1 to 1000.
2. Enter the port-channel number that acts as the interconnect trunk.
VLT DOMAIN CONFIGURATION mode
peer-link port-channel id-number
The range is from 1 to 128.
3. Enter the VLAN ID number of the VLAN where the VLT forwards packets received on the VLTi from
an adjacent peer that is down.
VLT DOMAIN CONFIGURATION mode
peer-down-vlan vlan interface number
The range is from 1 to 4094.
Configuring Enhanced VLT (eVLT) (Optional)
To configure enhanced VLT (eVLT) between two VLT domains on your network, use the following
procedure.
For a sample configuration, refer to eVLT Configuration Example. To set up the VLT domain, use the
following commands.
1. Configure the port channel to be used for the VLT interconnect on a VLT switch and enter interface
configuration mode.
CONFIGURATION mode
interface port-channel id-number
Enter the same port-channel number configured with the peer-link port-channel command in
the Enabling VLT and Creating a VLT Domain.
2. Add one or more port interfaces to the port channel.
INTERFACE PORT-CHANNEL mode
channel-member interface
interface: specify one of the following interface types:
• 1 Gigabit Ethernet: enter gigabitethernet slot/port.
• 10 Gigabit Ethernet: enter tengigabitethernet slot/port.
• 40-Gigabit Ethernet: Enter fortyGigE slot/port.
3. Enter VLT-domain configuration mode for a specified VLT domain.
CONFIGURATION mode
962
Virtual Link Trunking (VLT)