Computer Networks/Arp/Clear

Arp is a Windows command used to view and modify the Address Resolution Protocol (ARP) cache. These activities will show you how to clear the ARP cache.

Note: To complete this activity, you must have an administrative user account or know the username and password of an administrator account you can enter when prompted.

Preparation

To prepare for this activity:

1. Start Windows.
2. Log in if necessary.

Activity 1 - Clear the ARP Cache

To clear the ARP cache:

1. Open an elevated/administrator command prompt.
2. Type arp -d and press Enter.
3. Close the command prompt to complete this activity.

Readings

• Wikipedia: Address Resolution Protocol (ARP)

References

• Microsoft TechNet: Arp