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Ipv6 nd prefix – Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) User Manual

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IPv6 Commands

Software Reference for x310 Series Switches

C613-50046-01 REV A

AlliedWare Plus

TM

Operating System - Version 5.4.4C

27.11

ipv6 nd prefix

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 nd prefix []

ipv6 nd prefix

[no-autoconfig]

ipv6 nd prefix

off-link [no-autoconfig]

no ipv6 nd prefix [|all]

Default

Valid-lifetime default is 2592000 seconds (30 days). Preferred-lifetime default is 604800
seconds (7 days).

Usage

This command specifies the IPv6 prefix flags that are advertised by the router
advertisement message.

Parameter

Description

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.

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.

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.