Ieee802.1Q Vlans; Product Features - D-Link DFE-550TX User Manual

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D-Link DFE-550TX Adapter

conferencing and multimedia must all be delivered to the end-

user's. Some of the traffic, such as video-conferencing, is of a

higher priority, with a slight delay of packets resulting in

noticeable degeneration of video and audio quality, while other

traffic, such as email will not be noticeably affected by tiny delays.

The large number of programs run over today's networks serves to

impede the ability to deliver time-critical data. Even if bandwidth

is not usually a problem on your network, during peak hours

bursts in network traffic can result in the delay of time-critical

traffic.

IEEE802.1p defines seven levels of prioritization for Ethernet

packets. High priority packets will be sent through a network

using 802.1p-compliant switches first. Lower priority packets will

be transferred whenever bandwidth is available. When properly

setup, this ensures that time-critical data arrives on time and is

not affected by other traffic.

IEEE802.1Q VLANs

The IEEE802.1Q VLAN can help improve network performance

and security by segmenting the network into VLANs. IEEE802.1Q

VLANs can limit broadcast and node-to-node (unicast) traffic to a

single VLAN. This limits the effects of broadcast storms and

provides additional security for your network.

To set up GVRP VLANs, which support dynamic registration, the

adapter should be connected to a switch with GVRP VLAN

capability.

For VLANs to function, the computer in which this NIC is

installed must be using Windows 95 or later as its operating

system.

Designed for high performance and versatility, the DFE-550TX

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