Huawei AR150 series Configuration Manual page 166

Huawei AR150&200 Series Enterprise Routers
Configuration Guide - IP Service
l
Issue 02 (2012-03-30)
1. Run:
system-view
The system view is displayed.
2. Run:
dhcp enable
The DHCP function is enabled.
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 check dhcp-rate alarm enable
The DHCP message checking alarm is enabled.
By default, this function is disabled.
6. (Optional) Run:
dhcp check dhcp-rate alarm threshold threshold
The alarm threshold for the DHCP message checking is configured.
By default, the threshold is 100. If the number of packets that are discarded because
their sending rates exceed the upper limit is larger than the threshold, an alarm is
generated.
Configure the highest rate at which DHCP packets are sent to the protocol stack in the
VLAN view.
1. Run:
system-view
The system view is displayed.
2. Run:
dhcp enable
The DHCP function is enabled.
3. Run:
vlan vlan-id
The VLAN view is displayed.
4. Run:
dhcp check dhcp-rate enable
The DHCP message checking is enabled.
By default, this function is disabled.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6 DHCP Configuration
154