Specifications

show ip arp
307
Figure 21-6 Execution result when an IP address is specified
> show ip arp ip 192.20.0.2
Date 2008/11/14 22:06:20 UTC
Total: 1
IP Address Linklayer Address Interface Expire Type
192.20.0.2 0080.452d.9701 VLAN2000 10min arpa
>
Display items
Table 21-4 Contents of the displayed ARP information
Item Meaning Displayed information
Total Number of ARP entries Number of used ARP table entries
IP Address Next Hop IP address --
Linklayer Address Next Hop MAC address incomplete: The address has not been
resolved by ARP.
--
Interface Interface name
VLANxxxx is displayed.
xxxx: VLAN ID
Expire The remaining aging time is displayed
in minutes.
The address has not been resolved by
ARP.
Type Type arpa: Fixed (always the Ethernet
interface)
Impact on communication
None
Response messages
Table 21-5 List of response messages for the show ip arp command
Message Description
Can't execute. The command could not be executed. Re-execute the
command.
There is no information. ( ip arp ) There is no ARP information.
Notes
The entries that are created after learning from other devices are not displayed in the
following cases:
 There has been no communication since the interface started up.
 The aging time since registration in the ARP cache table has been exceeded.