Displaying And Maintaining Arp; Static Arp Configuration Example; Network Requirements - H3C MSR 2600 Configuration Manual

Step
1. Enter system view.
2. Enable ARP log output.

Displaying and maintaining ARP

IMPORTANT:
Clearing ARP entries from the ARP table might cause communication failures. Make sure the entries to be
cleared do not affect current communications.
Execute display commands in any view and reset commands in user view.
Task
Display ARP entries (MSR 2600/MSR
3600).
Display ARP entries (MSR 5600).
Display the ARP entry for a specific IP
address (MSR 2600/MSR 3600).
Display the ARP entry for a specific IP
address (MSR 5600).
Display the ARP entries for a specific VPN
instance.
Display the aging timer of dynamic ARP
entries.
Clear ARP entries from the ARP table (MSR
2600/MSR 3600).
Clear ARP entries from the ARP table (MSR
5600).

Static ARP configuration example

Network requirements

As shown in
interface Ethernet 1/1 in VLAN 10.
To ensure secure communications between the router and switch, configure a static ARP entry for the
router on the switch.
Command
system-view
arp check log enable
Figure 3, hosts are connected to the switch, which is connected to the router through
Command
display arp [ [ all | dynamic |multiport | static ] | vlan vlan-id |
interface interface-type interface-number ] [ count | verbose ]
display arp [ [ all | dynamic | multiport | static ] [ slot
slot-number ] | vlan vlan-id | interface interface-type
interface-number ] [ count | verbose ]
display arp ip-address [ verbose ]
display arp ip-address [ slot slot-number ] [ verbose ]
display arp vpn-instance vpn-instance-name [ count ]
display arp timer aging
reset arp { all | dynamic | interface interface-type
interface-number | multiport | static }
reset arp { all | dynamic | interface interface-type
interface-number | multiport | slot slot-number | static }
6
Remarks
N/A
By default, ARP log output is
disabled.