Command Reference IPv6 Commands
Interface configuration mode.
The device checks the unreachable neighbor through the set time. A shorter time means that the
device can check the neighbor failure more quickly, but more network bandwidth and device resource
will be occupied. Therefore, it is not recommended to set a too short reachable time.
The configured value will be advertised through RA and will be used by the device itself. If the value is
set to 0, it indicates that the time is not specified, that is, the default value is used.
According to RFC4861, the actual time to reach neighbor is not consistent with the configured value,
ranging from 0.5*configured value to 1.5*configured value.
Ruijie(config-if)# ipv6 nd reachable-time 1000000
Displays the interface information.
Use this command to set the period for the neighbor to maintain the state. Use the no form of this
command to restore the default setting.
ipv6 nd stale-time seconds
Sets the period for the neighbor to maintain the state,
in the range from 0 to 86400 in the unit of seconds.
Global configuration mode
This command is used to set the period for the neighbor to maintain the state. After the period
expires, neighbor unreachability detection is performed. The shorter the period, the faster the
neighbor is found unreachable. On the other hand, more network bandwidth and device resources
are consumed. Therefore, it is recommended to set a value not too small.
The following example sets the period to 600 seconds for the neighbor to maintain the state.
Ruijie(config)# ipv6 nd stale-time 600
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