When traffic is prioritized at the host or entry point of the network, network devices can base forwarding decisions on priority information defined in the packet.
Priority Packet prioritizes traffic on the basis of priority
Priority Packet provides two methods for prioritizing traffic, IEEE_802.1p tagging and Intel High Priority Queue. To use Priority Packet, you need to enable IEEE_802.1p Tagging and then install Priority Packet.
To enable IEEE_802.1p tagging on an adapter, do as follows:
1.In the Control Panel,
2.Select the adapter and click Properties.
3.Select the Advanced tab and enable IEEE_802.1p tagging.
To install Priority Packet, run the setup program on the Drivers CD. This program is located at x:\prtpkt\setup.exe, where x is the drive letter of the
Note: IEEE_802.1p tagging increases the size of the packets it tags. Some hubs and switches will not recognize the larger packets and will drop them. Check the documentation for your hubs and switches to see whether they support 802.1p. If they do not or if you are not sure, you have two choices.
v You can use High Priority Queue (HPQ) instead (see the next section), or
vYou can configure the switch to strip the tags from the packets and send them on to the next destination as normal traffic.
Intel High Priority Queue
If your network infrastructure devices do not support IEEE_802.1p, or if you’re not sure, you can still define filters and send packets as high priority by assigning them to the High Priority Queue (HPQ).
To do this, you use Priority Packet when you create or assign a filter. This method does not provide the precise priority levels of 802.1p tagging, but it does assign high or low priority to traffic and sends packets having high priority first. Therefore, if there are multiple applications on a system sending packets, the packets from the application with a filter are sent out first. HPQ does not change network routing, nor does it add any information to the packets.
