Reference Guide

926 | Virtual Link Trunking (VLT)
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4. (Optional) Manually reconfigure default VLT settings, such as MAC address and VLT primary/
secondary roles.
5. Connect the peer switches in a VLT domain to an attached access device (switch or server).
Configure a VLT interconnect
Step Task Command Syntax Command Mode
1 Configure the port channel to be used for the VLT
interconnect on a VLT switch and enter interface
configuration mode.
Enter the same port-channel number configured with the
peer-link port-channel command.
interface port-channel
id-number
CONFIGURATION
Note: To be included in the VLTi, the port channel must be in default mode (no switchport or VLAN
assigned).
2 Remove an IP address from the interface.
no ip address
INTERFACE
PORT-CHANNEL
3 Add one or more port interfaces to the port channel.
interface specifies one of the following interface types:
1-Gigabit Ethernet: Enter gigabitethernet slot/port.
10-Gigabit Ethernet: Enter tengigabitethernet slot/port.
channel-member interface
INTERFACE
PORT-CHANNEL
4 Ensure that the port channel is active.
no shutdown
INTERFACE
PORT-CHANNEL
5 Repeat Steps 1 to 4 on the VLT peer switch to configure the VLT interconnect.
Configure a VLT backup link
Step Task Command Syntax Command Mode
1 Specify the management interface to be used for the
backup link through an out-of-band management
network. Enter the slot (0-1) and the port (0).
interface
managementethernet
slot/
port
CONFIGURATION
2 Configure an IPv4 address (A.B.C.D) or IPv6 address
(X:X:X:X::X) and mask (/x) on the interface.
This is the IP address to be configured on the VLT peer
with the back-up destination command.
{ip address ipv4-address/
mask
|
ipv6 address ipv6-address/
mask
}
MANAGEMENT
INTERFACE
3 Ensure that the interface is active.
no shutdown
MANAGEMENT
INTERFACE
4 Repeat Steps 1 to 3 on the VLT peer switch.