Administrator Guide

show arp
Displays the ARP table.
Syntax
show arp [interface interface | ip ip-address [mask] | macaddress mac-address [mac-
address mask]] [static | dynamic] [summary]
Parameters
interface
interface
(OPTIONAL) Enter the following keywords and slot/port or number information:
● For the Management interface, enter the keyword managementethernet followed by the
slot/port information.
● For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet followed by
the slot/port information.
● For a VLAN, enter the keyword vlan followed by a number from 1 to 4094.
ip ip-address
mask
(OPTIONAL) Enter the keyword ip followed by an IP address in the dotted decimal format.
Enter the optional IP address mask in the slash prefix format (/ x).
macaddress mac-
address mask
(OPTIONAL) Enter the keyword macaddress followed by a MAC address in nn:nn:nn:nn:nn:nn
format. Enter the optional MAC address mask in nn:nn:nn:nn:nn format also.
static (OPTIONAL) Enter the keyword static to view entries entered manually.
retries (OPTIONAL) Enter the keyword retries to view the number of ARP retries before a 20–
second back off.
dynamic (OPTIONAL) Enter the keyword dynamic to view dynamic entries.
summary (OPTIONAL) Enter the keyword summary to view a summary of ARP entries.
inspection (OPTIONAL) Enter the keyword inspection to view dynamic ARP Inspection details.
Command Modes EXEC Privilege
Supported Modes All Modes
Command
History
Version Description
8.3.17.0 Supported on the M I/O Aggregator.
Usage
Information
The following describes the show arp command shown in the following example.
Row Heading Description
Protocol Displays the protocol type.
Address Displays the IP address of the ARP entry.
Age(min) Displays the age (in minutes) of the ARP entry.
Hardware
Address
Displays the MAC address associated with the ARP entry.
Interface Displays the first two letters of the interfaces type and the slot/port associated with the ARP
entry.
VLAN Displays the VLAN ID, if any, associated with the ARP entry.
CPU Lists which CPU the entries are stored on.
Example
Dell#show arp
Protocol Address Age(min) Hardware Address Interface VLAN
CPU
-----------------------------------------------------------------------------------
Internet 10.11.8.6 167 00:01:e9:45:00:03 Ma 0/0 - CP
Internet 10.11.68.14 124 00:01:e9:45:00:03 Ma 0/0 - CP
Internet 10.11.209.254 0 00:01:e9:45:00:03 Ma 0/0 - CP
IPv4 Routing 203