Configuring A Vlt Backup Link - Dell C9000 Series Networking Configuration Manual

process, use the primary-priority command. Enter a lower value on the primary peer and a higher
value on the secondary peer.
VLT DOMAIN CONFIGURATION mode
primary-priority value
The priority values are from 1 to 65535. The default is 32768.
If the primary peer fails, the secondary peer (with the higher priority) takes the primary role. If the
primary peer (with the lower priority) later comes back online, it is assigned the secondary role (there is
no preemption).
5 (Optional) Enabled BMP booting of a TOR device through VLT nodes.
CONFIGURATION mode
lacp ungroup member-independent {vlt | port-channel port-channel-id}
NOTE: You must enable RSTP when you use this feature.
6 Repeat Steps 1 to 4 on the VLT peer switch to configure the IP address of this switch as the endpoint of
the VLT backup link and to configure the same port channel for the VLT interconnect.

Configuring a VLT Backup Link

To configure a VLT backup link, use the following command.
1 Specify the management interface to be used for the backup link through an out-of-band management
network.
CONFIGURATION mode
interface managementethernet slot/ port
Enter the slot (0-1) and the port (0).
2 Configure an IPv4 address (A.B.C.D) or IPv6 address (X:X:X:X::X) and mask (/x) on the interface.
MANAGEMENT INTERFACE mode
{ip address ipv4-address/ mask | ipv6 address ipv6-address/ mask}
This is the IP address that is configured on the VLT peer using the back-up destination command.
3 Ensure that the interface is active.
MANAGEMENT INTERFACE mode
no shutdown
4 Configure a VLT backup link using the back-up destination command.
VLT domain mode
Virtual Link Trunking (VLT) 1183