Specifications

ipv6 nd ns-interval
18-16 IPv6 Configuration
ipv6 nd ns-interval
ThiscommandconfigurestheintervalbetweenNeighborSolicitationssentonaninterface.
Syntax
ipv6 nd ns-interval { msec | 0 }
no ipv6 nd ns-interval
Parameters
Defaults
Bydefault,avalueof0isadvertisedinRAmessages.
Mode
Routerinterfaceconfiguration:C3(su)‐>router(configif(Vlan1))#
Usage
TheNSintervalisusedtodeterminethetimebetweenretransmissionsofneighborsolicitation
messagestoaneighborwhenresolvingaunicastaddress(DAD)orwhenprobingthereachability
ofaneighbor.ThisvalueisalsoadvertisedinRouterAdvertisement(RA)messagessentonthe
interface.
Usethenoformof
thiscommandtosettheintervaltothedefaultof0.
Example
ThisexamplesetstheNSintervalto2seconds.
C3(su)->router(configif(Vlan 1))# ipv6 nd ns-interval 2000
ipv6 nd reachable-time
Thiscommand configuresthelengthoftimewithinwhichsomereachabilityconfirmationmustbe
receivedfromaneighborfortheneighbortobeconsideredreachable.
Syntax
ipv6 nd reachable-time msec
no ipv6 nd reachable-time
Parameters
Defaults
Bydefault,avalueof0isadvertisedinRAmessages.
msec SetstheintervalinmillisecondsbetweenretransmissionsofNeighbor
Solicitationmessagesontheinterface.Thevaluecanrangefrom1000
(onesecond)to3,600,000(onehour)mi lliseconds.
0 Anadvertisedvalueof0meanstheintervalisunspecified.
msec TheamountoftimeinmillisecondsthataremoteIPv6nodeis
consideredreachable.Thevaluecanrangefrom0to4,294,967,295
milliseconds.
Thedefaultvalueis0,whichmeansthatthetimeisunspecified.