1098 IPv6 Routing CommandsExampleThe following example sets at 1000 seconds the value that is placed in theRouter Lifetime field of the router advertisements.console(config)#interface vlan 15console(config-if-vlan15)#ipv6 nd ra-lifetime 1000ipv6 nd reachable-timeUse the ipv6 nd reachable-time command in Interface Configuration modeto set the router advertisement time to consider a neighbor reachable afterneighbor discovery confirmation.Syntaxipv6 nd reachable-timemillisecondsno ipv6 nd reachable-time•milliseconds — Reachable-time duration. A value of zero means the timeis unspecified by the router. (Range: 0-3600000 milliseconds)Default ConfigurationThe default value for neighbor discovery reachable times is 0 milliseconds.Command ModeInterface Configuration (VLAN, Tunnel, Loopback) modeUser GuidelinesThis command has no user guidelines.ExampleThe following example sets the router advertisement time at 5000milliseconds to consider a neighbor reachable after neighbor discoveryconfirmation.console(config)#interface vlan 15console(config-if-vlan15)#ipv6 nd reachable-time 5000
