Dynamic Arp Configuration - 3Com 3C13636 Configuration Manual

3Com Router 3000 Ethernet Family
Configuration Guide
Table 2-1 Manually add/delete static ARP mapping table item
Manually add static ARP mapping table
item
Manually delete static ARP mapping
table item
While the lifetime of dynamic ARP mappings is only 20 minutes, static ARP mappings
never age out.
The ARP table on the router can accommodate up to 2048 static entries.
By default, address mappings are obtained through dynamic ARP.

2.1.4 Dynamic ARP Configuration

I. Enabling/disabling ARP entry check (optional)
You can enable or disable the device to learn the ARP entries with broadcast MAC
addresses.
Perform the following configuration in system view.
Table 2-2 Enable/disable ARP entry check
Enable ARP entry check to have the
device not learn the ARP entries with
broadcast MAC addresses.
Disable ARP entry check to have the
system learn the ARP entries with
broadcast MAC addresses.
By default, ARP entry check is enabled. The device does not learn the ARP entries with
broadcast MAC addresses.
II. Enabling/disabling ARP request in the scope of natural network segments
(optional)
ARP request is usually restricted only in subnets, but you are allowed to enable ARP
request in the scope of natural segments.
Perform the following configuration in system view.
Operation
Operation
3Com Corporation
2-2
Chapter 2 ARP Configuration
Command
arp static ip-address ethernet-address
[ vpn-instance-name ]
undo arp
[ vpn-instance-name ]
Command
arp check enable
undo arp check enable
ip-address