Administrator Guide

Version Description
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.5.1.0 Added support for 4-port 40G line cards on the E-Series.
8.3.7.0 Introduced on the S4810.
8.2.1.0 Added support for 4094 VLANs on the E-Series (the prior limit was 2094).
8.1.1.0 Introduced on the E-Series.
7.9.1.0 Introduced VRF on the E-Series.
7.8.1.0 Augmented to display local ARP entries learned from private VLANs (PVLANs).
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
pre-6.1.1.0 Introduced on the E-Series.
Usage Information The following example shows two VLANs that are associated with a private VLAN (PVLAN) (refer to Private
VLAN (PVLAN)).
If you have entered the clear arp-cache command to remove a large number of ARP entries and the
command is still being processed in the background, an error message display if you attempt to enter the show
arp
command:
Clear arp in-progress. Please try after sometime!
The following describes the show arp command shown in the following example.
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 rst 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 192.2.1.254 1 00:00:c0:02:01:02 Gi 2/13 - CP
Internet 192.2.1.253 1 00:00:c0:02:01:02 Gi 2/13 - CP
Internet 192.2.1.252 1 00:00:c0:02:01:02 Gi 2/13 - CP
Internet 192.2.1.251 1 00:00:c0:02:01:02 Gi 2/13 - CP
Internet 192.2.1.250 1 00:00:c0:02:01:02 Gi 2/13 - CP
Internet 192.2.1.251 1 00:00:c0:02:01:02 Gi 2/13 - CP
Internet 192.2.1.250 1 00:00:c0:02:01:02 Gi 2/13 - CP
Internet 192.2.1.249 1 00:00:c0:02:01:02 Gi 2/13 - CP
Internet 192.2.1.248 1 00:00:c0:02:01:02 Gi 2/13 - CP
Internet 192.2.1.247 1 00:00:c0:02:01:02 Gi 2/13 - CP
IPv4 Routing 773