Configuring DHCP packet rate limit
About DHCP packet rate limit
Perform this task to set the maximum rate at which an interface can receive DHCP packets. This feature discards exceeding DHCP packets to prevent attacks that send large number of DHCP packets.
Restrictions and guidelines
The rate set on the Layer 2 aggregate interface applies to all members of the aggregate interface. If a member interface leaves the aggregation group, it uses the rate set in its Ethernet interface view.
Procedure
Enter system view.
system-view
Enter interface view.
interface interface-type interface-number
Enable DHCP snooping packet rate limit on an interface and set the limit value.
dhcp snooping rate-limit rate
By default, the DHCP snooping packet rate limit is disabled on an interface.