No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search

Reminder

To have a better experience, please upgrade your IE browser.

upgrade

Fat AP and Cloud AP V200R010C00 Command Reference

Rate and give feedback:
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).
dhcp anti-attack check duplicate option

dhcp anti-attack check duplicate option

Function

The dhcp anti-attack check duplicate option command enables the device to check and discard DHCP messages with duplicate options.

The undo dhcp anti-attack check duplicate option command disables the device from checking and discarding DHCP messages with duplicate options.

By default, the device is disabled from checking and discarding DHCP messages with duplicate options.

Format

dhcp anti-attack check duplicate option [ option-start [ to option-end ] ] &<1-254>

undo dhcp anti-attack check duplicate option [ option-start [ to option-end ] ] &<1-254>

Parameters

Parameter Description Value
option-start [ to option-end ] Specifies the option value.
  • option-start: Specifies the start value of an option in a DHCP packet.
  • option-end: Specifies the end value of an option in a DHCP packet.
The value is an integer in the range 1 to 254. For an option, the end value must be larger than the start value.

Views

System view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

To discard DHCP messages with duplicate options 1 to 254, run the dhcp anti-attack check duplicate option command.

Prerequisites

DHCP has been enabled using the dhcp enable command.

Example

# Configure the device to discard DHCP messages with duplicate options.

<Huawei> system-view
[Huawei] dhcp enable 
[Huawei] dhcp anti-attack check duplicate option
Related Topics
Translation
Download
Updated: 2019-11-21

Document ID: EDOC1100064352

Views: 210408

Downloads: 122

Average rating:
This Document Applies to these Products
Related Version
Related Documents
Share
Previous Next