ARP information

Command: /info/arp

[Address Resolution Protocol Menu]

find

- Show

a single ARP entry by IP address

port

- Show

ARP entries on a single port

vlan

- Show

ARP entries on a single VLAN

addr

-

Show

ARP entries for switch's interface

dump

-

Show

all ARP entries

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 Menu options.

Table 30 ARP information

Command

Usage

find <IP address>

Displays a single ARP entry by IP address. For example, 192.4.17.101

port <port number>

Displays the ARP entries on a single port.

vlan <1-4095>

Displays the ARP entries on a single VLAN.

addr

Displays the ARP address list: IP address, IP mask, MAC address, and VLAN

 

flags.

dump

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)

ARP address list information

Command: /info/arp/addr

IP address

IP mask

MAC address

VLAN

--------------- ---------------

----------------- ----

205.178.18.66

255.255.255.255

00:70:cf:03:20:04 4095

 

 

 

 

Show all ARP entry information

Command: /info/arp/dump

IP address

Flags

MAC address

VLAN

Port

--------------- -----

-----------------

----

----

192.168.2.4

 

00:50:8b:b2:32:cb

4095

19

192.168.2.19

 

00:0e:7f:25:89:b5

4095

19

192.168.2.61

P

00:0f:6a:ed:46:00

4095

 

 

 

 

 

 

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.

Command Line Interface 42