Operation Manual – IPv6
H3C S3610&S5510 Series Ethernet Switches
Chapter 1 IPv6 Basics Configuration
1-18
To do…
Use the command…
Remarks
Configure the prefix
information options
in RA messages
ipv6 nd ra prefix
{
ipv6-address
prefix-length |
ipv6-address/prefix-length
}
valid-lifetime
preferred-lifetime
[
no-autoconfig
[
off-link
]*
Optional
By default, no prefix
information is configured in RA
messages and the IPv6
address of the interface
sending RA messages is used
as the prefix information.
Set the M flag bit to 1
ipv6 nd autoconfig
managed-address-flag
Optional
By default, the M flag bit is set
to 0, that is, hosts acquire IPv6
addresses through stateless
autoconfiguration.
Set the O flag bit to
1.
ipv6 nd autoconfig
other-flag
Optional
By default, the O flag bit is set
to 0, that is, hosts acquire
other information through
stateless autoconfiguration.
Configure the router
lifetime in RA
messages
ipv6 nd ra router-lifetime
value
Optional
1,800 seconds by default.
Set the retrans timer
ipv6 nd ns retrans-timer
value
Optional
By default, the local interface
sends NS messages at
intervals of 1,000 milliseconds
and the Retrans Timer field in
RA messages sent by the local
interface is equal to 0.
Set the reachable
time
ipv6 nd nud
reachable-time value
Optional
By default, the neighbor
reachable time on the local
interface is 30,000
milliseconds and the
Reachable Timer field in RA
messages is 0.
Caution:
The maximum interval for sending RA messages should be less than or equal to the
router lifetime in RA messages.