HP ProCurve Series 2810, Management And Configuration Manual

Page: 205 / 420

Port Status and Basic Configuration
QoS Pass-Through Mode
Outbound Port Queues and Packet Priority Settings
Ports on the ProCurve switches have the following outbound port queue
structure:
Switch Model Outbound
Port Queues
Switch 6108 4
Series 5300xl Switch 4
Series 4100gl Switch 3
Series 3400cl Switch
Series 2600, 2600-PWR Switch 4
Series 2800 Switch 4
Switch 2810 4
Series 2500 Switch 2
Switches 1600M/2400M/2424M/4000M/8000M 2
As shown below, these port queues map to the eight priority settings specified
in the 802.1p standard.
Table 10-3. Mapping Priority Settings to Device Queues
802.1p Priority Settings Used
In Tagged VLAN Packets Switches with
3 Outbound Queue Assignment in Downstream Devices
With:
Port Queues
4 Queues 8 Queues 2 Queues
1 (low)
2 (low)
Low
Low
Low
Low
Low Low
0 (normal priority)
3
Normal
Normal
Normal
Normal
4
5
High
High
Medium
Medium
High
High
6
7 (high priority)
High
High
High
High
For example, suppose you have configured port A10 to assign a priority level
of 1 (low):
■ An untagged packet coming into the switch on port A10 and leaving the
switch through any other port configured as a tagged VLAN member
would leave the switch as a tagged packet with a priority level of 1.
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