Huawei AR150 series - Page 167

5. Run:
dhcp check dhcp-rate rate
The checking rate of DHCP messages sent to the DHCP protocol stack is configured.
By default, the rate does not exceed 100 pps. The DHCP messages that exceed the
rate are discarded.
l Configure the highest rate at which DHCP packets are sent to the protocol stack in the
interface view.
1. Run:
system-view
The system view is displayed.
2. Run:
interface interface-type interface-number
The interface view is displayed.
3. Run:
dhcp check dhcp-rate enable
The DHCP message checking is enabled.
By default, this function is disabled.
4. Run:
dhcp check dhcp-rate rate
The checking rate of DHCP messages sent to the DHCP protocol stack is configured.
By default, the rate does not exceed 100 pps. The DHCP messages that exceed the
rate are discarded.
5. (Optional) Run:
dhcp alarm dhcp-rate enable
The DHCP message checking alarm on an interface is enabled.
By default, this function is disabled.
6. (Optional) Run:
dhcp alarm dhcp-rate threshold threshold
The alarm threshold for the DHCP message checking on an interface is configured.
By default, the threshold is 100. When the number of packets that are discarded
because their sending rates exceed the upper limit is larger than the threshold, an alarm
is generated.
----End
Checking the Configuration
# Run the display current-configuration | include dhcp command to check information about
the rate limit for DHCP packets in the system view.
<Huawei> 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
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.
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