F3215-HP Load Balancing Module Network Management Configuration Guide-6PW101

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The maximum interval for sending RA messages should be less than (or equal to) the router lifetime in RA
messages, so the router can be updated through an RA message before expiration.
The values of the NS retransmission timer and the reachable time configured for an interface are sent to
hosts through RA messages. Furthermore, this interface sends NS messages at the interval of the NS
retransmission timer and considers a neighbor reachable within the reachable time.
Enabling sending of RA messages
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter interface view.
interface interface-type
interface-number
N/A
3. Disable RA message
suppression.
undo ipv6 nd ra halt By default, RA messages are suppressed.
4. 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.
Configuring parameters related to RA messages
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Configure the hop limit. ipv6 nd hop-limit value
Optional.
64 by default.
3. Enter interface view.
interface interface-type
interface-number
N/A
4. Configure the prefix
information in RA
messages.
ipv6 nd ra prefix { ipv6-prefix
prefix-length |
ipv6-prefix/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 with valid lifetime 2592000
seconds (30 days) and preferred lifetime
604800 seconds (seven days).
5. Turn off the MTU option in
RA messages.
ipv6 nd ra no-advlinkmtu
Optional.
By default, RA messages contain the
MTU option.