Configuration Guide
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Configuring ARP
ARP Configurations
Step 3
show arp
[
ip
] [
mac
]
or
show ip arp
[
ip
] [
mac
]
Verify the ARP entries.
ip
:
Specify the IP address of your desired ARP entry.
mac:
Specify the MAC address of your desired ARP entry.
Step 4
end
Return to privileged EXEC mode.
Step 5
copy running-config startup-config
Save the settings in the configuration file.
This example shows how to create a static ARP entry with the IP as 192.168.0.1 and the
MAC as 00:11:22:33:44:55:
Switch#configure
Switch(config)#arp
192.168.0.1 00:11:22:33:44:55
arpa
Switch(config)#show arp
192.168.0.1
Interface Address Hardware Addr Type
Vlan1 192.168.0.1 00:11:22:33:44:55 STATIC
Switch(config)#end
Switch#copy running-config startup-config
Configuring the aging time of dynamic ARP entries
Follow these steps to configure the aging time of dynamic ARP entries:
Step 1
configure
Enter global configuration mode.
Step 2
interface {fastEthernet
port
| range fastEthernet
port-list
| gigabitEthernet
port
| range
gigabitEthernet
port-list
]
Enter interface configuration mode.
port| port-list
: The number or the list of the Ethernet port that you want to configure.
interface
vlan
vlan-id
Enter interafce VLAN mode.
vlan-id:
Specify a vlan interface ID.
