Specifications

exit
19-8 DHCPv6 Configuration
Defaults
Defaultvalueofvalidlifeti me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.
Defaults
None.
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|
infinite
(Optional)Thevalidlifetimeof
theprefix,specifiedassecondsoras
infinite.Thevalueofsecscanrangefrom0to4294967295.
preferred‐lifetime
secs|infinite
(Optional)Thepreferredlifetimeoftheprefix,specifiedassecondsoras
infinite.Thevalueofsecscanrangefrom0to4294967295.