243
Views
Interface view
Predefined user roles
network-admin
Parameters
valid-lifetime: Specifies the valid lifetime of a prefix, in the range of 0 to 4294967295 seconds. The
default value is 2592000 seconds (30 days).
preferred-lifetime: Specifies the preferred lifetime of a prefix used for stateless autoconfiguration, in
the range of 0 to 4294967295 seconds. The preferred lifetime cannot be longer than the valid lifetime.
The default value is 604800 seconds (7 days).
no-autoconfig: Specifies a prefix not to be used for stateless autoconfiguration. If you do not specify
this keyword, the prefix is used for stateless autoconfiguration.
off-link: Indicates that the address with the prefix is not directly reachable on the link. If you do not
specify this keyword, the address with the prefix is directly reachable on the link.
no-advertise: Disables the device from advertising the prefix specified in this command. If you do
not specify this keyword, the device advertises the prefix specified in this command.
Usage guidelines
This command specifies the default settings for the prefix specified by using the ipv6 nd ra prefix
command. If none of the parameters (valid-lifetime, preferred-lifetime, no-autoconfig, off-link, and
no-advertise) is configured in the ipv6 nd ra prefix command, the prefix uses the default settings.
Examples
# Configure the default settings for prefixes advertised in RA messages on VLAN-interface 100.
<Sysname> system-view
[Sysname] interface vlan-interface 100
[Sysname-Vlan-interface100] ipv6 nd ra prefix default 100 10
ipv6 nd ra router-lifetime
Use ipv6 nd ra router-lifetime to set the router lifetime in RA messages.
Use undo ipv6 nd ra router-lifetime to restore the default.
Syntax
ipv6 nd ra router-lifetime time
undo ipv6 nd ra router-lifetime
Default
The router lifetime in RA messages is 1800 seconds.
Views
Interface view
Predefined user roles
network-admin
Parameters
time: Specifies the router lifetime in the range of 0 to 9000 seconds. If the value is set to 0, the router
does not act as the default router.
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