Administrator Guide

back-up destination
Configure the IPv4 or IPv6 address of the management interface on the remote VLT peer used as the VLT backup link endpoint for
sending out-of-band (OOB) hello messages.
Syntax
back-up destination {[ipv4–address] | [ipv6 ipv6–address] [interval seconds]
vrf [management vrf-name | vrf-name]}
Parameters
ipv4–address Enter the IPv4 address of the backup destination.
ipv6 Enter the keyword ipv6 then an IPv6 address in the X:X:X:X::X format.
interval seconds Enter the keyword interval to specify the time interval to send hello messages. The
range is from 1 to 5 seconds. The default is 1 second.
vrf management
vrf-name
(OPTIONAL) Configures the management VRF instance for the backup IPv4 or IPv6
address.
vrf vrf-name (OPTIONAL) Enter the keyword vrf and then the name of the VRF.
Defaults 1 second
Command Modes VLT DOMAIN
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100–ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.5(0.1) Introduced on the Z9500.
9.2(0.0) Introduced on the M I/O Aggregator. This command is supported in Programmable-Mux
(PMUX) mode only.
9.2(0.2) Added support for IPv6.
9.0.2.0 Introduced on the S6000.
9.0.0.0 Introduced on the Z9000.
8.3.19.0 Introduced on the S4820T.
8.3.8.0 Introduced on the S4810.
Example
Following example shows that the VRF management is configured:
DellEMC#show ip vrf
VRF-Name VRF-ID Interfaces
default 0 Vl 1
management 512 Ma 1/1
Hence, the back-up destination command must be configured as:
DellEMC(conf-vlt-domain)#back-up destination <ip address> vrf management vrf-
name
Virtual Link Trunking (VLT) 1671