Specifications

show ip arp
306
show ip arp
Displays ARP information.
Syntax
show ip arp [{interface vlan <VLAN ID> | ip <IP address>}]
Input mode
User mode and administrator mode
Parameters
{interface vlan <VLAN ID> | ip <IP address>}
interface vlan <VLAN ID>
Specifies a VLAN ID.
For <VLAN ID>, specify the VLAN ID set by the
interface vlan configuration
command.
ip <IP address>
Specifies an IP address.
Operation when all parameters are omitted:
Displays the ARP information registered on all interfaces.
Example
Figure 21-4 Execution result when a VLAN interface is specified
> show ip arp interface vlan 2048
Date 2008/11/14 22:05:43 UTC
Total: 6
IP Address Linklayer Address Interface Expire Type
10.0.0.55 0013.20ad.0155 VLAN2048 20min arpa
10.0.0.56 0013.20ad.0156 VLAN2048 20min arpa
10.0.0.57 0013.20ad.0157 VLAN2048 20min arpa
10.0.0.58 0013.20ad.0158 VLAN2048 20min arpa
10.0.0.59 0013.20ad.0159 VLAN2048 20min arpa
10.10.10.1 incomplete VLAN2048 -- arpa
>
Figure 21-5 Execution result when all ARP information is displayed
> show ip arp
Date 2008/11/14 22:04:23 UTC
Total: 8
IP Address Linklayer Address Interface Expire Type
10.0.0.55 0013.20ad.0155 VLAN2048 20min arpa
10.0.0.56 0013.20ad.0156 VLAN2048 20min arpa
10.0.0.57 0013.20ad.0157 VLAN2048 20min arpa
10.0.0.58 0013.20ad.0158 VLAN2048 20min arpa
10.0.0.59 0013.20ad.0159 VLAN2048 20min arpa
10.10.10.1 incomplete VLAN2048 -- arpa
192.20.0.2 0080.452d.9701 VLAN2000 12min arpa
192.168.0.200 incomplete VLAN3333 -- arpa
>