ipv6 nd reachable-time

Configures the duration that a router considers a remote IPv6 node reachable.
Syntax
ipv6 nd reachable-time duration
no ipv6 nd reachable-time duration
Command Default

By default, a router interface uses the value of 30 seconds.

Parameters
duration
Specifies the duration (in seconds) that a router considers a remote IPv6 node reachable. Valid values are 0 to 3600 seconds. The default is 30 seconds.
Modes

Interface configuration mode

Usage Guidelines

The router advertisement messages sent by a router interface include the amount of time specified by the ipv6 nd reachable-time command so that nodes on a link use the same reachable time duration. By default, the messages include a default value of 0.

RUCKUS does not recommend configuring a short reachable time duration, because a short duration causes the IPv6 network devices to process the information at a greater frequency.

The actual reachable time will be from 0.5 to 1.5 times the configured or default value.

The no form of the command resets the duration that a router considers a remote IPv6 node reachable as 30 seconds.

Examples

The following example configures the reachable time of 40 seconds for Ethernet interface 1/3/1. 

device(config)# interface ethernet 1/3/1
device(config-if-e1000-1/3/1)# ipv6 nd reachable-time 40
Parent topic: Commands I