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Common Operation Guide

CloudEngine 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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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).
Configuring ARP Gateway Anti-collision

Configuring ARP Gateway Anti-collision

If an attacker forges the gateway address to send ARP packets with the source IP address being the IP address of the gateway on the LAN, ARP entries on hosts in the LAN record the incorrect gateway address. As a result, all traffic from user hosts to the gateway is sent to the attacker and the attacker intercepts user information. Communication of users is interrupted. To defend against bogus gateways, you can enable the ARP bogus gateway attack defense function on gateways directly connected to the host.

<HUAWEI> system-view
[~HUAWEI] arp anti-attack gateway-duplicate enable
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Updated: 2018-10-08

Document ID: EDOC1000102369

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