display arp

Use display arp to display ARP entries.

Syntax

display arp [ [ all | dynamic | multiport | static ] [ slot slot-number ] | vlan vlan-id | interface interface-type interface-number ] [ count | verbose ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

all: Displays all ARP entries.

dynamic: Displays dynamic ARP entries.

multiport: Displays multiport ARP entries.

static: Displays static ARP entries.

slot slot-number: Specifies an IRF member device by its member ID.

vlan vlan-id: Displays the ARP entries for the specified VLAN. The VLAN ID is in the range of 1 to 4094.

interface interface-type interface-number: Displays the ARP entries for the interface specified by the argument interface-type interface-number.

count: Displays the number of ARP entries.

verbose: Displays detailed information about ARP entries.

Usage guidelines

This command displays information about ARP entries, including the IP address, MAC address, VLAN ID, output interface, entry type, and aging timer.

If you do not specify any parameters, the command displays all ARP entries.

Examples

# Display all ARP entries.

<Sysname> display arp all
  Type: S-Static   D-Dynamic   O-Openflow   M-Multiport  I-Invalid
IP Address       MAC Address     VLAN     Interface              Aging Type
20.1.1.1         00e0-fc00-0001  N/A      N/A                    N/A   S
193.1.1.70       00e0-fe50-6503  100      XGE1/0/1               N/A   IS
192.168.0.115    000d-88f7-9f7d  1        XGE1/0/2               18    D
192.168.0.39     0012-a990-2241  1        XGE1/0/3               20    D
22.1.1.1         000c-299d-c041  10       N/A                    N/A   M

# Display detailed information about all ARP entries.

<Sysname> display arp all verbose
  Type: S-Static   D-Dynamic   O-Openflow   M-Multiport  I-Invalid
IP Address       MAC Address     VLAN     Interface             Aging Type
Vpn Instance
20.1.1.1         00e0-fc00-0001  N/A      N/A                    N/A   S
[No Vrf]
193.1.1.70       00e0-fe50-6503  100      XGE1/0/1               N/A   IS
[No Vrf]
192.168.0.115    000d-88f7-9f7d  1        XGE1/0/2               18    D
[No Vrf]
192.168.0.39     0012-a990-2241  1        XGE1/0/3              20    D
[No Vrf] 
22.1.1.1         000c-299d-c041  10       N/A                    N/A   M
[No Vrf]

# Display the number of all ARP entries.

<Sysname> display arp all count
 Total number of entries : 5

Table 1: Command output

Field

Description

IP Address

IP address in an ARP entry.

MAC Address

MAC address in an ARP entry.

VLAN

ID of the VLAN to which the ARP entry belongs. This field displays N/A in either of the following situations:

  • The ARP entry is an unresolved short static ARP entry.

  • The output interface of the ARP entry does not belong to the VLAN.

Interface

Output interface in an ARP entry. This field displays N/A in either of the following situations:

  • The ARP entry is an unresolved short static ARP entry.

  • The ARP entry is a multiport ARP entry and has no output interface information.To obtain the output interface information of the multiport ARP entry, look up the MAC address table according to the MAC address in the ARP entry.

Aging

Aging time for a dynamic ARP entry in minutes. N/A means unknown aging time or no aging time.

Type

ARP entry type:

  • D—Dynamic.

  • S—Static.

  • O—OpenFlow.

  • M—Multiport.

  • I—Invalid.

Vpn Instance

Name of VPN instance. [No Vrf] is displayed if no VPN instance is configured for the ARP entry.

Total number of entries

Number of ARP entries.

Related commands