Helper-Address (Bng) - Cisco ASR 9000 Series Command Reference Manual

BNG DHCP Commands

helper-address (BNG)

To configure the Dynamic Host Configuration Protocol (DHCP) IPv4 or IPv6 relay agent to relay DHCP
packets to a specific DHCP server, use the helper-address command in an appropriate configuration mode.
Use the no form of this command to clear the address.
helper-address [vrf vrf-name ] [address] [giaddr gateway-address]
no helper-address [vrf vrf-name ] [address] [giaddr gateway-address]
Syntax Description
vrf-name
address
giaddr gateway-address
Command Default
Helper address is not configured.
Command Modes
DHCP IPv6 proxy profile class configuration
DHCP IPv6 profile relay configuration
Command History
Release
Release 3.7.2
Release 4.2.0
Release 4.3.0
Release 5.2.2
Usage Guidelines
A maximum of upto eight helper addresses can be configured.
Task ID
Task ID
ip-services
(Optional) Specifies the name of a particular VRF.
IPv4 and Pv6 address in four part, dotted decimal format.
(Optional) Specifies the gateway address to use in packets relayed to server.
This keyword is applicable for IPv4 helper address.
Cisco ASR 9000 Series Aggregation Services Router Broadband Network Gateway Command Reference, Release
Modification
This command was introduced.
This command was supported for BNG.
The support for IPv6 was added in BNG.
This command is supported in DHCPv6 profile relay configuration
submode.
Operations
read, write
helper-address (BNG)
5.2.x
159