configure vlan router-discovery reachable-time

configure vlan vlan_name router-discovery {ipv6} reachable-time reachabletime


Configures the reachable time value in router discovery advertisements on the This command is available on the ExtremeSwitching X440-G2, X450-G2, X460-G2, X465, X590, X620, X670-G2, X690, X695, X870, 5320, 5420, 5520 series switches..

Syntax Description

vlan_name Specifies an IPv6 configured VLAN.
reachabletime Specifies the reachable time value in advertisements, in milliseconds. Range is 0 to 3,600,000 (one hour).


30,000 milliseconds.

Usage Guidelines

The reachable time is the time, in milliseconds, that a node assumes a neighbor is reachable after having received a reachability confirmation. A value of 0 means the time is unspecified by this router. The maximum value is 3,600,000 (1 hour).


The following example configures the reachable time to be 3,600,000 milliseconds for the VLAN "top_floor":

configure vlan top_floor router-discovery reachable-time 3600000


This command was first available in ExtremeXOS 11.2.

Platform Availability

This command is available on the platforms listed for the IPv6 unicast routing feature in the ExtremeXOS and Switch Engine 31.7 Feature License Requirements document.