Cisco Cisco Packet Data Interworking Function (PDIF)
DHCPv6 Server Configuration Mode Commands
▀ prefix-delegation
▄ Command Line Interface Reference, StarOS Release 17
3480
prefix-delegation
Configures the lifetime parameters that can be used by a particular DHCPv6 service to allocate delegated prefixes.
Product
GGSN
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > Context Configuration > DHCPv6 Service Configuration > DHCPv6 Server
Configuration
Configuration
configure > context context_name > dhcpv6-service service_name > dhcpv6-server
Entering the above command sequence results in the following prompt:
[context_name]host_name(config-dhcpv6-server)#
Syntax
prefix-delegation valid-lifetime valid_lifetime preferred-lifetime pref_lifetime
valid-lifetime valid_lifetime
Specifies the valid lifetime (in seconds) for prefixes for which the delegated prefix is valid. After this is
exhausted, delegated prefix is deemed invalid.
exhausted, delegated prefix is deemed invalid.
pref_lifetime
must be an integer value from 1 through 1932100.
Default: 900
preferred-lifetime pref_lifetime
Specifies the preferred lifetime (in seconds) for which new connections can be established by these delegated
prefixes. Once it is exhausted, no new connections can be made.
prefixes. Once it is exhausted, no new connections can be made.
pref_lifetime
must be an integer value from 1 through 1932100.
Default: 900
Usage
Use this command to specify the valid and preferred lifetime for prefixes assigned by the DHCPv6 service for
prefix delegation.
prefix delegation.
Example
The following command configures the valid lifetime to
1500
seconds and preferred lifetime to
1200
seconds for prefix delegation:
prefix-delegation valid-lifetime 1500 preferred-lifetime 1200