Enterasys Networks 2200 - Manual (Page 131)

Advanced Port Priority Configuration Screen
802.1 Configuration Menu Screens 6-13
6.5 ADVANCED PORT PRIORITY CONFIGURATION SCREEN
When to Use
To set the Priority/Queue Mapping and Priority Regeneration for a particular port and also can be
used to change the default port priority used in the device.
Priority/Queue Mapping is used to assign 802.1p priority values to the transmit (TX) queues
(0 through 3 with 0 being the lowest level TX queue) for each frame priority.
For example, if the TX queue is set to 3 for those frames with a priority 7, then those frames would
be transmitted before any frames contained in TX queues 2 through 0.
Priority Regeneration is used to classify different types of traffic by reprioritizing received frames
to a different transmit priority within the device. For example, the frames associated with a
particular type of traffic that have a received (RX) transmit priority, or a port default priority, of 3
could be changed to have a transmit priority of 5 out of the device.
NOTE: The Advanced Port Priority Configuration screen does not display when the
operational mode of the device is set to SECURE FAST VLAN.
Section 4.2.9 provides instructions for setting the operational mode.
NOTE: The priority is only changed while the device is processing the frame. Frames
received by the device with a 1p priority value are transmitted with that same value.