Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 1183

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