N8406-023 1Gb Intelligent L3 Switch Command Reference Guide (ISCLI) 39
ARP information
The Address Resolution Protocol (ARP) information includes IP address and MAC address of each entry, address
status flags, VLAN, and port for the address, and port referencing information.
The following table describes the Address Resolution Protocol commands.
Table 30 ARP information
Command
Usage
show ip arp find
<IP address>
Displays a single ARP entry by IP address.
Command mode
:
All except User EXEC
show ip arp interface
<port number>
Displays the ARP entries on a single port.
Command mode:
All except User EXEC
show ip arp vlan
<1-4095>
Displays the ARP entries on a single VLAN.
Command mode
:
All except User EXEC
show ip arp
Displays all ARP entries, including:
IP address and MAC address of each entry
Address status flag
The VLAN and port to which the address belongs
The ports which have referenced the address (empty if no port
has routed traffic to the IP address shown)
Command mode
:
All except User EXEC
show ip arp reply
Displays the ARP address list: IP address, IP mask, MAC
address, and VLAN flags.
Command mode
:
All except User EXEC
Show all ARP entry information
The following command displays ARP information:
show ip arp
Command mode:
All except User EXEC
IP address Flags MAC address VLAN Port
--------------- ----- ----------------- ---- ----
192.168.2.4 00:50:8b:b2:32:cb 1 18
192.168.2.19 00:0e:7f:25:89:b5 1 17
192.168.2.61 P 00:0f:6a:ed:46:00 1
The Flag field provides additional information about an entry. If no flag displays, the entry is normal.
Table 31 ARP dump flag parameters
Flag
Description
P
Permanent entry created for switch IP interface.
R
Indirect route entry.
U
Unresolved ARP entry. The MAC address has not been learned.
ARP address list information
The following command displays ARP address list information:
show ip arp reply
Command mode:
All except User EXEC
IP address IP mask MAC address VLAN Flags
--------------- --------------- ----------------- ---- -----
205.178.18.66 255.255.255.255 00:70:cf:03:20:04 4095
205.178.50.1 255.255.255.255 00:70:cf:03:20:04 1