R2511-HP MSR Router Series Security Configuration Guide(V5)

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• ARP automatic scanning might take some time. To stop an ongoing scan, press Ctrl + C. Dynamic

ARP entries are created based on ARP replies received before the scan is terminated.

• The static ARP entries changed from dynamic ARP entries have the same attributes as the manually

configured static ARP entries.

• Use the arp fixup command to change the existing dynamic ARP entries into static ARP entries. You

can use this command again to change the dynamic ARP entries learned later into static ARP

entries.

• The number of static ARP entries changed from dynamic ARP entries is restricted by the number of

static ARP entries that the device supports. As a result, the device might fail to change all dynamic

ARP entries into static ARP entries.

• To delete a specific static ARP entry changed from a dynamic one, use the undo arp ip-address

[ vpn-instance-name ] command. To delete all such static ARP entries, use the reset arp all or reset

arp static command.

Configuration procedure

To configure ARP automatic scanning and fixed ARP:

Ste

Command

1. Enter system view.

system-view

2. Enter interface view.

interface interface-type interface-number

3. Enable ARP automatic scanning.

arp scan [ start-ip-address to end-ip-address ]

4. Return to system view.

quit

5. Enable fixed ARP.

arp fixup