3Com Switch 8800 Advanced Software V5 Configuration Guide

Configuring IPv6 NDP 225
Configure the current hop
limit
ipv6 nd hop-limit value Optional
64 by default.
Enter interface view interface interface-type
interface-number
-
Disable the RA message
suppression
undo ipv6 nd ra halt Optional
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 intervals of a random value
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 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.
To do... Use the command... Remarks