3Com MSR 50, MSR 30 manual Ipv6 nd ra router-lifetime, 855

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Parameter prefix-length: Prefix length of an IPv6 address.

ipv6-prefix: IPv6 address prefix.

valid-lifetime: Valid lifetime of a prefix in seconds, in the range of 0 to 4,294,967,295.

preferred-lifetime: Preferred lifetime of a prefix used for stateless autoconfiguration in seconds, in the range of 0 to 4,294,967,295.

no-autoconfig: Specifies a prefix not to be used for stateless autoconfiguration. If this keyword is not provided, the prefix is used for stateless autoconfiguration.

off-link: Specifies the address with the prefix not to be directly reachable on the link. If this keyword is not provided, the address with the prefix is directly reachable on the link.

Description Use the ipv6 nd ra prefix command to configure the prefix information in RA messages.

Use the undo ipv6 nd ra prefix command to remove the prefix information from RA messages.

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.

Example # Configure the prefix information for RA messages on Ethernet1/0.

<Sysname> system-view

[Sysname] interface ethernet 1/0

[Sysname-Ethernet1/0] ipv6 nd ra prefix 2001:10::100/64 100 10

ipv6 nd ra router-lifetime

Syntax ipv6 nd ra router-lifetime value

undo ipv6 nd ra router-lifetime

View Interface view

Parameter time: Router lifetime in seconds, in the range of 0 to 9,000. When it is set to 0, the device does not serve as the default router.

Description Use the ipv6 nd ra router-lifetimecommand to configure the router lifetime in RA messages.

Use the undo ipv6 nd ra router-lifetimecommand to restore the default configuration.

By default, the router lifetime in RA messages is 1,800 seconds.