Information Menu 46
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
dump - Show all ARP entries
addr - Show ARP address list
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.
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)
addr Displays the ARP address list: IP address, IP mask, MAC address, and VLAN flags.
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 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
Command: /info/arp/addr
IP address IP mask MAC address VLAN Flags
--------------- --------------- ----------------- ---- -----
205.178.18.66 255.255.255.255 00:70:cf:03:20:04 P
205.178.50.1 255.255.255.255 00:70:cf:03:20:06 1
205.178.18.64 255.255.255.255 00:70:cf:03:20:05 1
This screen displays all entries in the ARP cache.
