A10E/A28E/A28F Configuration Guide
Enter global configuration mode.
Alpha-A28E(config)#interface
port
port-id
Enter physical layer interface
configuration mode.
Alpha-A28E(config-port)#ip
arp-rate-limit enable
Enable interface ARP packet rate
limiting.
Alpha-A28E(config-port)#ip
arp-rate-limit rate
rate-value
Configure rate limiting on ARP
packets on the interface.
6.3.9 Configuring global ARP packet rate limiting auto-recovery
time
Configure ARP packet rate limiting auto-recovery time for the A10E/A28E as below.
Enter global configuration mode.
Alpha-A28E(config)#ip arp-
rate-limit recover enable
Enable ARP packet rate limiting auto-
recovery.
Alpha-A28E(config)#ip arp-
rate-limit recover time
time
Configure ARP packet rate limiting
auto-recovery time.
6.3.10 Checking configurations
Use the following commands to check configuration results.
Alpha-A28E#show ip arp-
inspection
Show dynamic ARP inspection
configurations.
Alpha-A28E#show ip arp-
inspection binding [ port
port-id
]
Show dynamic ARP inspection binding
table information.
Alpha-A28E#show ip arp-rate-
limit
Show ARP packet rate limiting
configurations.
6.3.11 Example for configuring dynamic ARP inspection
Networking requirements
To prevent ARP attacks, you need to configure dynamic ARP inspection function on Switch A,
as shown in Figure 6-3.