Specifications

Global Configuration Commands
19-2 DHCPv6 Configuration
RFC3315alsodescribesDHCPv6RelayAgentinteractions,whichareverymuchlikeDHCPv4
RelayAgent.RFC3046describestheDHCPv6RelayAgentInformationOption,whichemploys
verysimilarcapabilitiesasthosedescribedbyDHCPv4RelayAgentOptioninRFC2132.
WiththelargeraddressspaceinherenttoIPv6,addresseswithin
anetworkcanbeallocatedmore
effectivelyinahierarchicalfashion.DHCPv6introducesthenotionof“prefixdelegation”as
describedinRFC3633asawayforrouterstocentralizeanddelegateIPaddressassignment.
Default Conditions
Thefollowingtableliststhe defaultDHCPv6conditions.
Global Configuration Commands
Purpose
TheserouterglobalconfigurationmodecommandsareusedtoenableDHCPv6ontherouter,
configurerelayagentglobalparameters,andenterDHCPpoolconfigurationmode.
Commands
Condition Default Value
IPv6 DHCP Disabled
IPv6 DHCP Relay Agent Information
Option
32
IPv6 DHCP Relay Agent Information
Remote ID Sub-option
1
IPv6 DHCP Preferred Lifetime 2592000 seconds
IPv6 DHCP Valid Lifetime 604800 seconds
For information about... Refer to page...
ipv6 dhcp enable 19-3
ipv6 dhcp relay-agent-info-opt 19-3
ipv6 dhcp relay-agent-info-remote-id-subopt 19-4
ipv6 dhcp pool 19-4