Enterasys Networks 9034313-07 manual Valid‐lifetime secs, Preferred‐lifetime, Secs infinite

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exit

Parameters

prefix/prefix‐length

This prefix must be in the form documented in RFC 4291, with the

 

address specified in hexadecimal using 16‐bit values between colons.

 

The value of prefix‐length is a decimal number indicating the number of

 

high‐order contiguous bits of the address that comprise the prefix.

 

 

DUID

The DHCP Unique Identifier (DUID) of the prefix delegation client, as

 

described in RFC 3315.

 

 

name hostname

(Optional) The name of the prefix delegation client, consisting of up to

 

31 alpha‐numeric characters. This name is used for logging and/or

 

tracing only.

 

 

valid‐lifetime secs

(Optional) The valid lifetime of the prefix, specified as seconds or as

infinite

infinite. The value of secs can range from 0 to 4294967295.

 

 

preferred‐lifetime

(Optional) The preferred lifetime of the prefix, specified as seconds or as

secs infinite

infinite. The value of secs can range from 0 to 4294967295.

 

 

Defaults

Default value of valid lifetime of prefix: 604,800

Default value of preferred lifetime of prefix: 2,592,000

Mode

Router DHCPv6 pool configuration mode: C3(su)‐>router(Config‐dhcp6s‐pool)#

Usage

Use this command to manually configure an IPv6 address prefix to be delegated to a specific client, identified by their DHCP unique identifier. Refer to RFC 3633, “IPv6 Prefix Options for Dynamic Host Configuration Protocol (DHCP) version 6,” for more information about prefix delegation.

Use the no form of this command to remove a configured prefix.

Example

This example configures a prefix to be delegated to the prefix delegation client identified by the DUID 00:02:00:00:00:11:0A:C0:89:D3:03:00:09:AA. The default lifetime values are used.

C3(su)->router(Config)# ipv6 dhcp pool PoolA

C3(su)->router(Config-dhcp6s-pool)# prefix-delegation 2001:0db8:10::/48 00:02:00:00:00:11:0A:C0:89:D3:03:00:09:AA

exit

This command exits from DHCPv5 pool configuration mode and returns to global configuration mode.

Syntax

exit

Parameters

None.

24-8 DHCPv6 Configuration

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Enterasys Networks 9034313-07 manual Valid‐lifetime secs, Preferred‐lifetime, Secs infinite