Administrator Guide

Layer 3 Routing Commands 1468
console(config-if-vlan10)#
prefix-delegation
Use the prefix-delegation command in IPv6 DHCP Pool Configuration mode
to define multiple IPv6 prefixes within a pool for distributing to specific
DHCPv6 Prefix delegation clients.
Syntax
prefix-delegation ipv6-prefix/prefix-length client-DUID [name hostname ]
[valid-lifetime {
valid-lifetime | infinite}] [preferred-lifetime { preferred-
lifetime
| infinite}]
no prefix-delegation ipv6-prefix/prefix-length
• prefix/prefix-length —Delegated IPv6 prefix.
•
client-DUID —Client DUID (e.g. 00:01:00:09:f8:79:4e:00:04:76:73:43:76').
•
hostname —Client hostname used for logging and tracing. (Range: 0-31
characters.) The command allows spaces in the host name when specified
in double quotes. For example,
console(config)#snmp-server host "host
name"
is allowed.
•
valid-lifetime —Valid lifetime for delegated prefix. (Range: 0-4294967295
seconds) or use the keyword
infinite . Using the value 0 for the valid-
lifetime sets the value to the default.
•
preferred-lifetime —Preferred lifetime for delegated prefix. (Range: 0-
4294967295 seconds) or use the keyword
infinite . Using the value 0 for the
preferred-lifetime sets the value to the default.
Default Configuration
604800 seconds (30 days) is the default value for preferred-lifetime . 2592000
seconds (7 days) is the default value for
valid-lifetime .
Command Mode
IPv6 DHCP Pool Configuration mode
User Guidelines
This command has no user guidelines.
2CSNXXX_SWUM204.book Page 1468 Monday, January 25, 2016 1:25 PM