H3C Technologies H3C S3600 Series Switches - Manual (Page 1102)

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Follow these steps to configure the attempts to send an NS message for duplicate address detection:
To do… Use the command… Remarks
Enter system view system-view —
Enter VLAN interface view
interface interface-type
interface-number
—
Configure the attempts to send
an NS message for duplicate
address detection
ipv6 nd dad attempts value
Optional
1 by default. When the value
argument is set to 0, the
duplicate address detection is
disabled.
Configuring the NS Interval
After a device sends an NS message, if it does not receive a response within a specific period, the
device will send another NS message. You can configure the interval for sending NS messages.
Follow these steps to configure the NS interval:
To do… Use the command… Remarks
Enter system view system-view —
Enter VLAN interface view
interface interface-type
interface-number
—
Specify the NS interval
ipv6 nd ns retrans-timer
value Optional
1,000 milliseconds by default.
Configuring the neighbor reachable timeout time on an interface
After a neighbor passed the reachability detection, the device considers the neighbor to be reachable in
a specific period. However, the device will examine whether the neighbor is reachable again when there
is a need to send packets to the neighbor after the neighbor reachable timeout time elapsed.
Follow these steps to configure the neighbor reachable timeout time on an interface:
To do… Use the command… Remarks
Enter system view system-view —
Enter VLAN interface view
interface interface-type
interface-number
—
Configure the neighbor
reachable timeout time ipv6 nd nud reachable-time
value Optional
30,000 milliseconds by default.