C613-50100-01 REV C Command Reference for x930 Series 819
AlliedWare Plus™ Operating System - Version 5.4.6-1.x
IPV6 COMMANDS
IPV
6 ND PREFIX
ipv6 nd prefix
Overview Use this command in Interface Configuration mode for a VLAN interface to specify
the IPv6 prefix information that is advertised by the router advertisement for IPv6
address auto-configuration.
Use the no parameter with this command to reset the IPv6 prefix for a VLAN
interface in Interface Configuration mode.
Syntax
ipv6 nd prefix <ipv6-prefix/length>
ipv6 nd prefix <ipv6-prefix/length> [<valid-lifetime>]
ipv6 nd prefix <ipv6-prefix/length>
<valid-lifetime><preferred-lifetime> [no-autoconfig]
ipv6 nd prefix <ipv6-prefix/length>
<valid-lifetime><preferred-lifetime> off-link [no-autoconfig]
no ipv6 nd prefix [<ipv6-addr/prefix-length>|all]
Default Valid-lifetime default is 2592000 seconds (30 days). Preferred-lifetime default is
604800 seconds (7 days).
Mode Interface Configuration for a VLAN interface.
Parameter Description
<ipv6-prefix/
length>
The prefix to be advertised by the router advertisement
message.
The IPv6 address prefix uses the format X:X::/prefix-length.
The prefix-length is usually set between 0 and 64. The
default is X:X::/64.
<valid-lifetime> The the period during which the specified IPv6 address
prefix is valid. This can be set to a value between 0 and
4294967295 seconds. The default is 2592000 (30 days).
Note that this period should be set to a value greater than
that set for the prefix preferred-lifetime.
<preferred-
lifetime>
Specifies theIPv6 prefix preferred lifetime. This is the period
during which the IPv6 address prefix is considered a current
(undeprecated) value. After this period, the command is still
valid but should not be used in new communications. Set to
a value between 0 and 4294967295 seconds. The default is
604800 seconds (7 days).
Note that this period should be set to a value less than that
set for the prefix valid-lifetime.
off-link Specify the IPv6 prefix off-link flag. The default is flag set.
no-autoconfig Specify the IPv6 prefix no autoconfiguration flag. Setting
this flag indicates that the prefix is not to be used for
autoconfiguration. The default is flag set.
all Specify all IPv6 prefixes associated with the VLAN interface.
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