Rate Limit Configuration Example - H3C S3100-52P Operation Manual

Operation Manual – DHCP
H3C S3100-52P Ethernet Switch
Configure the port state
auto-recovery interval

3.3 Rate Limit Configuration Example

I. Network requirements
As shown in
DHCP server. Ethernet 1/0/2 is connected to client B and Ethernet 1/0/11 is
connected to client A.
Enable DHCP snooping on the switch, and specify Ethernet 1/0/1 as the DHCP
snooping trusted port.
Configure DHCP packet rate limit on Ethernet 1/0/11 and set the maximum
DHCP packet rate allowed on the port to 100 pps.
Set the port state auto-recovery interval to 30 seconds on the switch.
II. Networking diagram
Figure 3-1 Network diagram for DHCP packet rate limit configuration
III. Configuration procedure
# Enable DHCP snooping on the switch.
<Switch> system-view
[Switch] dhcp-snooping
# Specify Ethernet 1/0/1 as the trusted port.
[Switch] interface Ethernet1/0/1
[Switch-Ethernet1/0/1] dhcp-snooping trust
To do...
dhcp protective-down
recover interval interval
Figure 3-1, Ethernet 1/0/1 of the S3100-52P switch is connected to the
Chapter 3 DHCP Packet Rate Limit Configuration
Use the command...
3-3
Remarks
Optional
By default, the
auto-discovery interval is
300 seconds.