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H3C Technologies H3C SecPath F1000-E User Manual

Page 718

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693

To configure parameters related to RA messages:

Step 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.

6.

Set the M flag bit to 1.

ipv6 nd autoconfig
managed-address-flag

Optional.
By default, the M flag bit is set to 0 and

hosts acquire IPv6 addresses through
stateless autoconfiguration.

7.

Set the O flag bit to 1.

ipv6 nd autoconfig other-flag

Optional.
By default, the O flag bit is set to 0 and

hosts acquire other configuration
information through stateless

autoconfiguration.

8.

Configure the router
lifetime in RA messages.

ipv6 nd ra router-lifetime value

Optional.
1800 seconds by default.

9.

Set the NS retransmission

timer.

ipv6 nd ns retrans-timer value

Optional.
By default, the local interface sends NS
messages at 1000 millisecond intervals,

and the value of the Retrans Timer field

in RA messages sent by the local
interface is 0. The interval for

retransmitting an NS message is

determined by the receiving device.

10.

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 Time field in the RA messages

sent by the local interface is 0. The

neighbor reachable time is determined
by the receiving device.