Switch Management Commands 1928prefix-delegationUse the prefix-delegation command in IPv6 DHCP Pool Configuration modeto define multiple IPv6 prefixes within a pool for distributing to specificDHCPv6 Prefix delegation clients.Syntaxprefix-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: 0-31characters.) The command allows spaces in the host name when specifiedin double quotes. For example, console(config)#snmp-server host “hostname” is allowed.• valid-lifetime—Valid lifetime for delegated prefix. (Range: 0-4294967295seconds) 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 thepreferred-lifetime sets the value to the default.Default Configuration604800 seconds (30 days) is the default value for preferred-lifetime. 2592000seconds (7 days) is the default value for valid-lifetime.Command ModeIPv6 DHCP Pool Configuration modeUser GuidelinesThis command has no user guidelines.