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Routing Commands 17

4.0 Routing Commands

This chapter provides a detailed explanation of the Routing commands.

4.1 Address Resolution Protocol (ARP) Commands

This chapter provides a detailed explanation of the ARP commands. The commands are divided by

functionality into the following different groups:

z Show commands are used to display switch settings, statistics and other information.

z Configuration Commands are used to configure features and options of the switch. For every con-

figuration command there is a show command that will display the configuration setting.

z Copy commands are used to transfer configuration and informational files to and from the switch.

4.1.1 arp

This command creates an ARP entry. The value for <ipaddress> is the IP address of a device on a

subnet attached to an existing routing interface.

<macaddr> is a unicast MAC address for that device.

The format is 6 two-digit hexadecimal numbers that are separated by colons, for example

00:06:29:32:81:40.

Format arp <ipaddress> <macaddr>

Mode Global Config

4.1.1.1 no arp

This command deletes an ARP entry. The value for <arpentry> is the IP address of the interface. The

value for

<ipaddress> is the IP address of a device on a subnet attached to an existing routing

interface.

<macaddr> is a unicast MAC address for that device.

Format no arp <ipaddress> <macaddr>

Mode Global Config

4.1.2 ip proxy-arp

This command enables proxy ARP on a router interface.

Without proxy ARP, a device only responds to an ARP request if the target IP address is an address

configured on the interface where the ARP request arrived. With proxy ARP, the device may also

respond if the target IP address is reachable. The device only responds if all next hops in its route to the

destination are through interfaces other than the interface that received the ARP request.

Default enabled

Format ip proxy-arp

Mode Interface Config

4.1.2.1 no ip proxy-arp

This command disables proxy ARP on a router interface.

Format no ip proxy-arp

Mode Interface Config

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