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Fat AP and Cloud AP V200R010C00 Command Reference

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
authentication ip-conflict-check enable

authentication ip-conflict-check enable

Function

The authentication ip-conflict-check enable command enables the client IP address conflict detection function.

The undo authentication ip-conflict-check enable command disables the client IP address conflict detection function.

By default, the device detects whether client IP addresses conflict with each other.

Format

authentication ip-conflict-check enable

undo authentication ip-conflict-check enable

Parameters

None

Views

Authentication profile view

Default Level

2: Configuration level

Usage Guidelines

IP address conflict detection is performed based on an IP hash table. If the hash value of a client IP address conflicts with a value in the IP hash table on the device, the client cannot be authenticated. To prevent unauthorized users from accessing the network using forged IP addresses, you can enable the IP address conflict detection function. Some clients may use the same fixed source IP address to send ARP probe packets. If multiple such clients exist on the network, IP address conflict occurs. In this case, you can disable the IP address conflict detection function.
After this function is disabled, IP address-based authorization does not take effect.

Example

# Enable the client IP address conflict detection function.

<Huawei> system-view
[Huawei] authentication-profile name test 
[Huawei-authentication-profile-test] authentication ip-conflict-check enable
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Updated: 2019-11-21

Document ID: EDOC1100064352

Views: 207992

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