HP 6125XLG R2306-HP 6125XLG Blade Switch Security Configuration Guide - Page 191
Configuration procedure, Configuring ARP gateway protection, Configuration guidelines
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Configuration procedure To configure ARP automatic scanning and fixed ARP: Step 1. Enter system view. 2. Enter interface view. 3. Enable ARP automatic scanning. 4. Return to system view. 5. Enable fixed ARP. Command system-view interface interface-type interface-number arp scan [ start-ip-address to end-ip-address ] quit arp fixup Configuring ARP gateway protection Configure this feature on interfaces not connected with a gateway to prevent gateway spoofing attacks. When such an interface receives an ARP packet, it checks whether the sender IP address in the packet is consistent with that of any protected gateway. If yes, it discards the packet. If not, it handles the packet normally. Configuration guidelines Follow these guidelines when you configure ARP gateway protection: • You can enable ARP gateway protection for a maximum of eight gateways on an interface. • Do not configure both the arp filter source and arp filter binding commands on an interface. • If ARP gateway protection works with ARP detection and ARP snooping, ARP gateway protection applies first. Configuration procedure To configure ARP gateway protection: Step 1. Enter system view. 2. Enter Ethernet interface and aggregate interface view. Command system-view interface interface-type interface-number 3. Enable ARP gateway protection for a specified gateway. arp filter source ip-address Remarks N/A N/A By default, ARP gateway protection is disabled. 182
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