## Frequently Asked Questions (FAQ)

#### What is Intel® Packet Protect?

Intel Packet Protect helps protect Internet Protocol (IP) traffic as it travels between systems on your LAN.

#### What is IPSec?

Internet Protocol (IP) Security (IPSec) is a set of protocols used to help secure the exchange of IP data. Click for more information about IPSec.

#### What is IKE?

Internet Key Exchange is a protocol used to verify the identity of systems and negotiate a protected communication. Click for more information about IKE.

#### Does Intel Packet Protect work with multiple adapters?

Intel Packet Protect can work with multiple adapters that you install in one system. If you use an Intel® PRO/100 S Management or Server Adapter, Intel Packet Protect offloads encryption tasks to any of these adapters. Click for more information about multiple adapters.

#### Does Intel Packet Protect work with Adapter Teaming?

Adapter Teaming and Intel Packet Protect work together only for systems with Windows* NT* operating systems installed. Click for more information on adapter teaming.

#### Does Intel Packet Protect affect my network performance?

Like any IPSec solution, Intel Packet Protect uses your processor and network bandwidth for intense computations required to encrypt, decrypt, and validate packets. To resolve this load, Intel Packet Protect was designed to utilize offload the processing capability of the Intel PRO/100 S family of adapters. This helps to reduce the impact on processor utilization and network traffic. Processor-intensive tasks such ESP and AH algorithm calculations are offloaded to these Intel adapters. This frees up the system's processor utilization for other tasks, reducing the impact to the network performance.

#### How can I tell if Intel Packet Protect is running?

Use Intel Packet Protect Monitor to view detailed information about your secure communications. Click for information on starting Intel Packet Protect Monitor.

#### Why are Multicast, Broadcast, and IGMP traffic not protected?

Multicast traffic is always unprotected when you use Intel Packet Protect because of IPSec standards. In addition, IGMP traffic is unprotected.

#### Are there any special conditions for communicating with a DNS, DHCP, WINS or Entrust Server?

You must create security exceptions for each type of server you are using. These are described in the Common Security Exceptions page.

#### Also see Troubleshooting.

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