1-14
To do…
Use the command…
Remarks
Disable the RA
message
suppression
undo ipv6 nd ra halt
Required
By default, RA messages are suppressed.
Configure the
maximum and
minimum intervals for
sending RA
messages
ipv6 nd ra interval
max-interval-value
min-interval-value
Optional
By default, the maximum interval for
sending RA messages is 600 seconds, and
the minimum interval is 200 seconds.
The device sends RA messages at random
intervals between the maximum interval
and the minimum interval.
The minimum interval should be less than or
equal to 0.75 times the maximum interval.
Configure the prefix
information 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 for 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
1800 seconds by default.
Set the NS
retransmission timer
ipv6 nd ns retrans-timer
value
Optional
By default, the local interface sends NS
messages at an interval of 1000
milliseconds, and the value of the Retrans
Timer field in RA messages sent by the
local interface is 0.
Set the reachable
time
ipv6 nd nud
reachable-time value
Optional
By default, the neighbor reachable time on
the local interface is 30000 milliseconds,
and the value of the Reachable Timer field
in RA messages is 0.
The maximum interval for sending RA messages should be less than or equal to the router lifetime in
RA messages.
