Cisco Cisco ASR 5000
DHCP Service Configuration Mode Commands
dhcp chaddr-validate ▀
Command Line Interface Reference, StarOS Release 18 ▄
3481
dhcp chaddr-validate
Configures the behavior of the client hardware address (chaddr) validation in DHCP messages.
Product
GGSN
HA
P-GW
SAEGW
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > Context Configuration > DHCP Service Configuration
configure > context context_name > dhcp-service service_name
Entering the above command sequence results in the following prompt:
[context_name]host_name(config-dhcp-service)#
Syntax
[ default | no ] dhcp chaddr-validate
default
Validates the chaddr value received in a DHCPACK message with the chaddr value sent in a
DHCPREQUEST message.
DHCPREQUEST message.
no
Disables validation of the chaddr value received in DHCPACK message with the chaddr value sent in a
DHCPREQUEST message.
DHCPREQUEST message.
Important:
The chaddr information value in the DHCPACK message will be parsed but not be validated against
the value maintained with client. The chaddr information value in DHCPACK will be ignored and not be stored
internally.
internally.
Usage
Use this command to configure behavior relating to the validation of chaddr information validation in the
DHCPACK messages.
DHCPACK messages.
Example
The following command specifies that the chaddr will not be validated in the DHCP messages:
no dhcp chaddr-validate