H3C S5500-SI Series Operation Manual

Also see for S5500-SI Series: Configuration Operation manual Configuration guide Configuration guide Configuration guide

Operation Manual – IPv6 ConfigurationH3C S5500-SI Series Ethernet Switches Chapter 1 IPv6 Configuration1-18To do… Use the command… RemarksSet the retrans timer ipv6 nd nsretrans-timer valueOptionalBy default, the local interfacesends NS messages at intervalsof 1,000 milliseconds and theRetrans Timer field in RAmessages sent by the localinterface is equal to 0.Set the reachabletimeipv6 nd nudreachable-time valueOptionalBy default, the neighborreachable time on the localinterface is 30,000 millisecondsand the Reachable Timer field inRA messages is 0.Caution:The maximum interval for sending RA messages should be less than or equal to therouter lifetime in RA messages.1.3.4 Configuring the Attempts to Send an NS Message for DuplicateAddress DetectionThe device sends a neighbor solicitation (NS) message for duplicate address detection.If the device does not receive a response within a specified time (set by the ipv6 nd nsretrans-timer value command), the device continues to send an NS message. If thedevice still does not receive a response after the number of attempts to send an NSmessage reaches the maximum, the device judges the acquired address is availableFollow these steps to configure the attempts to send an NS message for duplicateaddress detection:To do… Use the command… RemarksEnter system view system-view —Enter interface viewinterfaceinterface-typeinterface-number—Configure theattempts to send anNS message forduplicate addressdetectionipv6 nd dad attemptsvalueOptional1 by default. When the valueargument is set to 0, theduplicate address detection isdisabled.

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