ipv6 dhcp-relay maximum-delegated-prefixes

Sets the number of delegated prefixes that can be learned at the global and interface levels.
Syntax
ipv6 dhcp-relay maximum-delegated-prefixes value
no ipv6 dhcp-relay maximum-delegated-prefixes value
Command Default

The DHCPv6 Relay Agent Prefix Delegation Notification is enabled when the DHCPv6 relay agent feature is enabled on the interface.

Parameters
value

Limits the maximum number of prefixes that can be learned at the global level. The range is from 0 through 512. The global level default value is 500 while the interface level default is 100.

Modes

Global configuration mode

Interface configuration mode

Usage Guidelines

The no form of the command sets the parameter to the default value of the specified platform.

You can disable the DHCPv6 Relay Agent Prefix Delegation Notification at the system or the interface level by setting ipv6 dhcp-relay maximum-delegated prefixes to 0 at the system or interface level.

The sum of all the delegated prefixes that can be learned at the interface level is limited by the system maximum. Make sure that there is enough free space in the flash memory to save information about delegated prefixes in flash on both the active and standby management processors.

Examples

The following example sets the maximum delegated prefixes to 500 at the global level. 

device(config)# ipv6 dhcp-relay maximum-delegated-prefixes 500

The following example sets the maximum delegated prefixes to 100 at the interface level. 

device(config)# config int e 1/2/1
device(config-if-e10000-1/2/1)# ipv6 dhcp-relay maximum-delegated-prefixes 100
History
Release version Command history
08.0.10d This command was introduced.
08.0.30 Support for this command was added in FastIron 08.0.30 and later releases.
Parent topic: Commands I