Use this command to set the number of milli-seconds the router is considered to be reachable on this IPv6 interface.
| interval | Specifies the number of milli-seconds the router is considered to be reachable on this IPv6 interface. Valid values are 0 - 3600000 (1 hour). The default value is 30000 ms (30 seconds). |
None.
Interface configuration.
A neighbor is determined to be reachable if positive confirmation has been received within the reachable interval that the forward path to the neighbor was functioning properly. If no confirmation is received within the reachable interval, it is assumed that the neighbor is unreachable.
The no ipv6 nd reachable-time command resets the router reachability value to the default value of 30 seconds for the IPv6 interface.
This example sets the router reachability interval to 120000 ms (120 seconds) for VLAN 50:
System(su-config)->interface vlan 50 System(su-config-intf-vlan.0.50)->ipv6 nd reachable-time 120000 System(su-config-intf-vlan.0.50)->
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