143
Configuring DHCP packet rate limit on a DHCP
relay interface
IMPORTANT:
The feature is available only on the CSPEX cards.
This feature enables the DHCP relay interface to discard DHCP packets that exceed the maximum
rate.
To configure DHCP packet rate limit:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter interface view.
interface interface-type
interface-number
N/A
3.
Enable DHCP packet rate limit
on the interface and set the
limit value.
dhcp rate-limit
rate
By default, DHCP packet rate
limit is disabled on an interface.
Specifying the DHCP relay agent address for the
giaddr
field
Manually specifying the DHCP relay agent address for the
giaddr
field
This task allows you to specify the IP addresses to be encapsulated to the
giaddr
field of the DHCP
requests. If you do not specify any DHCP relay agent address, the primary IP address of the DHCP
relay interface is encapsulated to the
giaddr
field of DHCP requests.
To manually specify the DHCP relay agent address for the
giaddr
field:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter interface view.
interface interface-type
interface-number
N/A
3.
Specify the DHCP relay agent
address to be encapsulated to
DHCP requests.
dhcp relay gateway ip-address
By default, the primary IP
address of the DHCP relay
interface is encapsulated to
DHCP requests.
Configuring smart relay to specify the DHCP relay agent
address for the
giaddr
field
The DHCP smart relay feature allows the DHCP relay agent to encapsulate secondary IP addresses
when the DHCP server does not send back a DHCP-OFFER message.
