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4-3
Cisco Content Services Switch Routing and Bridging Configuration Guide
OL-4580-01
Chapter 4 Configuring the Address Resolution Protocol
Configuring ARP Mapping
Configuring ARP Mapping
To define a static ARP mapping, use the arp command. The syntax for this global
configuration mode command is:
arp ip_or_host mac_address interface {vlan}
The variables and options are as follows:
• ip_or_host - The IP address of the system for static mapping. Enter an IP
address in dotted-decimal notation (for example, 192.168.11.1) or in
mnemonic host-name format (for example, myhost.mydomain.com).
• mac_address - The MAC address of the system mapped to the IP address.
Enter the MAC address in hyphenated-hexadecimal notation (for example,
00-60-97-d5-26-ab).
• interface - The CSS Ethernet interface port that you want to configure. For a
CSS 11501, enter the interface name in interface port format (for example,
e2). For a CSS 11503 or CSS 11506, the interface format is slot/port (for
example, 3/1).
• vlan - The number of the VLAN configured in a trunked interface on which
the ARP address is configured (assuming trunking is enabled for the CSS
Gigabit Interface port). Enter an integer from 1 to 4094 as the VLAN number.
For example:
(config)# arp 192.168.11.1 00-60-97-d5-26-ab e2
To remove a static mapping address, use the no arp command. For example:
(config)# no arp 192.168.11.1
Note The CSS discards ARP requests from hosts not on the same network as the CSS
circuit IP address. Thus, if a CSS and a host are within the same VLAN but
configured for different IP networks, the CSS does not respond to ARP requests
from the host.