timers nsf signal

To set the time limit to signal a nonstop forwarding (NSF) restart for the Enhanced Interior Gateway Routing Protocol (EIGRP), use the timers nsf signal command. To return the route hold timer to the default, use the no form of this command.

timers nsf signal seconds

no timers nsf signal

Syntax Description


Time, in seconds, that EIGRP waits for a peer to signal an NSF restart. The range is from 10 to 360 seconds.

Command Default

EIGRP NSF awareness is enabled

Command Modes

Address family configuration mode
Router configuration mode
Router VRF configuration mode

Command History



This command was introduced.

Usage Guidelines

Use the timers nsf signal command to set the maximum period of time that the NSF-aware router waits for an NSF-capable neighbor to signal a restart.

This command requires the LAN Base Services license.


This example shows how to set the signal timer value for an NSF-aware router to the maximum (30 seconds):

switch(config)# router eigrp 1
switch(config-router) address-family ipv4 unicast
switch(config-router-af)# timers nsf signal 30

Related Commands


copy running-config startup-config

Saves the configuration changes to the startup configuration file.

show ip eigrp

Displays EIGRP information.