R0106-HP MSR Router Series Layer 3 - IP Services Configuration Guide(V7)

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Step Command Remarks

2. Configure a static ARP

entry.

• Configure a long static ARP entry:

arp static ip-address mac-address

vlan-id interface-type interface-number

[ vpn-instance vpn-instance-name ]

• Configure a short static ARP entry:

arp static ip-address mac-address

[ vpn-instance vpn-instance-name ]

Use either command.

By default, no static ARP entry is

configured.

Setting the maximum number of dynamic ARP

entries for a device

A device can dynamically learn ARP entries. To prevent a device from holding too many ARP entries, you

can set the maximum number of dynamic ARP entries that the device can learn. When the maximum

number is reached, the device stops learning ARP entries.

If you set a value lower than the number of existing dynamic ARP entries, the device does not remove the

existing entries unless they are aged out. The device also stops learning ARP entries until the number of

dynamic ARP entries is below the configured value.

To set the maximum number of dynamic ARP entries for a device:

Ste

Command

Remarks

3. Enter system view.

system-view N/A

4. Set the maximum

number of dynamic

ARP entries for the

device.

arp max-learning-number

number

By default:

• An MSR2000 or MSR3000 router can

learn a maximum of 4096 dynamic ARP

entries.

• An MSR4000 router can learn a maximum

of 16384 dynamic ARP entries.

If the value for the number argument is set to

0, the device is disabled from learning

dynamic ARP entries.

Setting the maximum number of dynamic ARP

entries for an interface

An interface can dynamically learn ARP entries. To prevent an interface from holding too many ARP

entries, you can set the maximum number of dynamic ARP entries that the interface can learn. When the

maximum number is reached, the interface stops learning ARP entries.

The Layer 2 interface can learn an ARP entry only when both its maximum number and the VLAN

interface's maximum number are not reached.

To set the maximum number of dynamic ARP entries for an interface: