19 lifetime, Lifetime – PLANET XGS3-24042 User Manual

Page 413

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<poolname> is the name for the IPv6 address pool of the prefix delegation, the length name string

should be less than 32. <prefix/prefix-length> is the address prefix and its length of the prefix

delegation. <assigned-length> is the length of the prefix in the address pool which can be retrieved

by the client, the assigned prefix length should be no less than the value of <prefix-length>

Command Mode:

Global Mode.

Default:

No IPv6 prefix delegation address pool is configured by default.

Usage Guide:

This command should be used with the “prefix delegation pool” command to allocate address

prefixes to the clients. If IPv6 prefix delegation is removed, the associated “prefix delegation

command will be in-effective either.

27.19 lifetime

Command:

lifetime {<valid-time> | infinity} {<preferred-time> | infinity}

no lifetime

Function:

To configure the life time for the addresses or the address prefixes allocated by DHCPv6. The no

form of this command will restore the default setting.

Parameters:

<valid-time> and <preferred-time> are the valid life time and preferred life time respectively for

the allocated IPv6 addresses in the local address pool. Its value is allowed to be between 1 and

31536000 in seconds, and <preferred-time> should never be bigger than <valid-time>. The

infinity parameter designates the maximum life time.

Command Mode:

DHCPv6 Address Pool Configuration Mode.

Default:

The default valid life time and preferred life time are 2592000 seconds (30 days) and 604800

seconds (7 days) respectively.

Example:

To configure the valid life time as 1000 seconds, and the preferred life time as 600 seconds.

Switch(config)#lifetime 1000 600

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