Vyatta Network OS Documentation

Learn how to install, configure and operate the Vyatta NOS, which helps drive our virtual networking & physical platforms portfolio.

show arp

Displays the Address Resolution Protocol (ARP) cache of the system.

show arp [ interface ]
interface
An interface for which ARP information is displayed.

Operational mode

Use this command to display the ARP cache of the system.

The following table shows possible ARP states.

Table 1. ARP states
State Description

Pending

Address resolution is currently being performed on this neighbor entry.

Valid

The neighbor is reachable. Positive confirmation has been received and the path to this neighbor is operational.

Static

This state is a pseudo-state, indicating that this entry should not be cleared from the cache.

Deleted

The arp entry is deleted.

Local

The arp entry is provided on the data plane only

The following example shows how to display the ARP cache of the R1 system.

vyatta@R1:~$ show arp
IP Address HW address Dataplane Controller Device
10.18.170.1 0:1b:ed:9f:de:41 VALID VALID dp0p160p1
10.18.170.172 00:0c:29:c6:89:a6 VALID dp0p160p1
vyatta@R1:~$