CLI Reference  RNS&Track Configuration Commands 
Global configuration mode. 
Use this command to enter the ip-rns configuration mode, where you can configure to send icmp 
packets and to send dns request packets.     
The following example defines the ip rns object 1. 
Ruijie(config)#ip rns1 
Show the statistical data on the ip rns object.   
set ip nexthop nexthop track 
Use this command to bind the nexthop in the route-map to a track object. If this track object status is 
down, the nexthop configured will not take effect.   
set ip nexthop nexthop track [ track-number ] 
Set the track object number, in the range of 1 to 700. 
Route-map configuration mode 
Use this command to bind the nexthop in the policy routes to a track object. The change of the track 
object state will determine whether this nexthop is effective.