Displaying And Maintaining Arp; Arp Configuration Example - HP A5120 EI Series Configuration Manual

NOTE:
HP recommends enabling ARP quick update in WLANs only.

Displaying and maintaining ARP

To do...
Display ARP entries in the ARP
table
Display the ARP entry for a
specified IP address
Display the age timer for dynamic
ARP entries
Clear ARP entries from the ARP
table
NOTE:
Clearing ARP entries from the ARP table may cause communication failures.

ARP configuration example

Network requirements
As shown in
interface GigabitEthernet 1/0/1 belonging to VLAN 10. The IP address of the router is 192.168.1.1/24.
The MAC address of the router is 00e0-fc01-0000.
To prevent malicious users from attacking the switch and enhance security for communications between
the router and the switch, configure a static ARP entry for the router on the switch.
Use the command...
display arp [ [ all | dynamic | static ] [ slot
slot-number ] | vlan vlan-id | interface
interface-type interface-number ] [ count ] [ |
{ begin | exclude | include } regular-
expression ]
display arp ip-address [ slot slot-number ] [ |
{ begin | exclude | include } regular-
expression ]
display arp timer aging [ | { begin |
exclude | include } regular-expression ]
reset arp { all | dynamic | static | slot slot-
number | interface interface-type interface-
number }
Figure 4, hosts are connected to the switch, which is connected to the router through
6
Remarks
Available in any view
Available in any view
Available in any view
Available in user view