HP 6125XLG R2306-HP 6125XLG Blade Switch Security Configuration Guide - Page 185
Configuration considerations, Configuration procedure, ARP attack protection
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Figure 62 Network diagram IP network ARP attack protection Gateway Device Server 0012-3f 86-e 94c Host A Host B Host C Host D Configuration considerations An attacker may forge a large number of ARP packets by using the MAC address of a valid host as the source MAC address. To prevent such attacks, configure the gateway in the following steps: 1. Enable source MAC-based ARP attack detection and specify the handling method as filter. 2. Set the threshold. 3. Set the lifetime for ARP attack entries. 4. Exclude the MAC address of the server from this detection. Configuration procedure # Enable source MAC address-based ARP attack detection, and specify the handling method as filter. system-view [Device] arp source-mac filter # Set the threshold to 30. [Device] arp source-mac threshold 30 # Set the lifetime for ARP attack entries to 60 seconds. [Device] arp source-mac aging-time 60 # Exclude MAC address 0012-3f86-e94c from this detection. [Device] arp source-mac exclude-mac 0012-3f86-e94c 176
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