Procedure
Step 1 Enable the DHCP service.
<Huawei> system-view
[Huawei] sysname RouterA
[RouterA] dhcp enable
Step 2 Configure the highest rate at which DHCP packets are sent to the protocol stack.
# Enable the system to check the rate at which DHCP packets are sent to the protocol stack.
[RouterA] dhcp check dhcp-rate enable
# Configure the highest rate at which DHCP packets are sent to the protocol stack.
[RouterA] dhcp check dhcp-rate 90
Step 3 Configure the alarm function.
# Enable the alarm function.
[RouterA] dhcp check dhcp-rate alarm enable
# Configure an alarm threshold.
[RouterA] dhcp check dhcp-rate alarm threshold 80
Step 4 Verify the configuration.
# Run the display current-configuration | include dhcp command on Router A. You can view
the DHCP function and DHCP rate limit have been enabled in the global view.
[RouterB] display current-configuration | include dhcp
It will take a long time if the content you search is too much or the string you
input is too long, you can press CTRL_C to break
dhcp enable
dhcp check dhcp-rate enable
dhcp check dhcp-rate 90
dhcp check dhcp-rate alarm enable
dhcp check dhcp-rate alarm threshold 80
----End
Configuration Files
Configuration file of Router A
#
sysname RouterA
#
dhcp enable
dhcp check dhcp-rate enable
dhcp check dhcp-rate 90
dhcp check dhcp-rate alarm enable
dhcp check dhcp-rate alarm threshold 80
#
return
Huawei AR150&200 Series Enterprise Routers
Configuration Guide - IP Service 6 DHCP Configuration
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
173
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