Operation Manual – IPv6 ManagementH3C S3100 Series Ethernet Switches Chapter 1 IPv6 Configuration1-14To do… Use the command… RemarksConfigure the attempts tosend an NS message forduplicate addressdetectionipv6 nd dad attemptsvalueOptional1 by default. When thevalue argument is set to 0,the duplicate addressdetection is disabled.IV. Configure the NS IntervalAfter a device sends an NS message, if it does not receive a response within a specificperiod, the device will send another NS message. You can configure the interval forsending NS messages.Table 1-9 Configure the NS intervalTo do… Use the command… RemarksEnter system view system-view —Enter VLAN interfaceviewinterface interface-typeinterface-number —Specify the NS interval ipv6 nd ns retrans-timervalueOptional1,000 milliseconds bydefaultV. Configure the neighbor reachable timeout time on an interfaceAfter a neighbor passed the reachability detection, the device considers the neighbor tobe reachable in a specific period. However, the device will examine whether theneighbor is reachable again when there is a need to send packets to the neighbor afterthe neighbor reachable timeout time elapsed.Table 1-10 Configure the neighbor reachable timeout time on an interfaceTo do… Use the command… RemarksEnter system view system-view —Enter VLAN interface view interface interface-typeinterface-number —Configure the neighborreachable timeout timeipv6 nd nudreachable-time valueOptional30,000 milliseconds
