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Configuring the Switch
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Configuring Static ARP Addresses
For devices that do not respond to ARP requests, traffic will be dropped because the
IP address cannot be mapped to a physical address. If this occurs, you can
manually map an IP address to the corresponding physical address in the ARP.
Command Usage
• You can define up to 128 static entries in the ARP cache.
• Static entries will not be aged out or deleted when power is reset. You can only
remove a static entry via the configuration interface.
Command Attributes
• IP Address – IP address statically mapped to a physical MAC address. (Valid IP
addresses consist of four numbers, 0 to 255, separated by periods.)
• MAC Address – MAC address statically mapped to the corresponding IP address.
(Valid MAC addresses are hexadecimal numbers in the format: xx-xx-xx-xx-xx-xx.)
• Entry Count – The number of static entries in the ARP cache.
Web - Click IP, ARP, Static Addresses. Enter the IP address, the corresponding
MAC address, and click Apply.
Figure 3-121 ARP Static Addresses
CLI - This example sets a static entry for the ARP cache.
Console(config)#arp 10.1.0.11 00-11-22-33-44-55 4-246
Console(config)#