Users Guide
Version Description
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 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  192.2.1.254 1  00:00:c0:02:01:02  Te 1/1/1/1  -    CP
Internet  192.2.1.253 1  00:00:c0:02:01:02  Te 1/1/1/2  -    CP
Internet  192.2.1.252 1  00:00:c0:02:01:02  Te 1/1/1/3  -    CP
Internet  192.2.1.251 1  00:00:c0:02:01:02  Te 1/1/1/4  -    CP
Internet  192.2.1.250 1  00:00:c0:02:01:02  Te 1/1/2/1  -    CP
Internet  192.2.1.251 1  00:00:c0:02:01:02  Te 1/1/2/2  -    CP
Internet  192.2.1.250 1  00:00:c0:02:01:02  Te 1/1/2/3  -    CP
Internet  192.2.1.249 1  00:00:c0:02:01:02  Te 1/1/2/4  -    CP
Internet  192.2.1.248 1  00:00:c0:02:01:02  Te 1/1/3/1  -    CP
Internet  192.2.1.247 1  00:00:c0:02:01:02  Te 1/1/3/2  -    CP
Internet  192.2.1.246 1  00:00:c0:02:01:02  Te 1/1/3/3  -    CP
Internet  192.2.1.245 1  00:00:c0:02:01:02  Te 1/1/3/4  -    CP
Example (Private
VLAN)
NOTE: In this example, Line 1 shows community VLAN 200 (in primary VLAN 10) in a PVLAN. Line 2
shows primary VLAN 10.
Dell# show arp
Protocol Address  Age(min) Hardware Address  Interface VLAN  CPU
---------------------------------------------------------------
Internet 5.5.5.1       -  00:01:e8:43:96:5e  -      Vl 10 pv 200 CP
Internet 5.5.5.10      -  00:01:e8:44:99:55  -      Vl 10        CP
Internet 10.1.2.4      1  00:01:e8:d5:9e:e2  Ma 1/1 -            CP
Internet 10.10.10.4    1  00:01:e8:d5:9e:e2  Ma 1/1 -            CP
IPv4 Routing 651










