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Fat AP and Cloud AP V200R010C00 Command Reference

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dhcp server detect

dhcp server detect


The dhcp server detect command enables detection of DHCP servers.

The undo dhcp server detect command disables detection of DHCP servers.

By default, detection of DHCP servers is disabled.


dhcp server detect

undo dhcp server detect




System view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

If bogus DHCP servers exist on the network, they send incorrect information to DHCP clients, such as the incorrect gateway address, incorrect DNS server, and incorrect IP address. As a result, DHCP clients cannot access the network or access incorrect networks.

After detection of DHCP servers is enabled, a DHCP snooping device checks and stores all information about DHCP servers in the DHCP Reply messages, such as DHCP server address and DHCP client port number, in the log. Based on logs, the network administrator checks for bogus DHCP servers on the network to maintain the network.


DHCP snooping has been enabled on the device using the dhcp snooping enable command.


# Enable detection of DHCP servers.

<Huawei> system-view 
[Huawei] dhcp enable
[Huawei] dhcp snooping enable
[Huawei] dhcp server detect
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Updated: 2019-11-21

Document ID: EDOC1100064352

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