Configuring the number of priority queues, Configuring the number of priority queues -96, E 6-13 – HP 5400ZL User Manual
Page 318: N o t e
Quality of Service: Managing Bandwidth More Effectively
QoS Queue Configuration
Table 6-13. Mapping of 802.1p Priorities to Outbound Port Queues
802.1p
Priority
8 Queues
(default)
4 Queues
2 Queues
1 (lowest)
1
1
1
2
2
0 (normal)
3
2
3
4
4 5
3
2
5
6
6 7
4
7 (highest)
8
Impact of QoS Queue Configuration on Guaranteed Minimum Band
width (GMB).
Changing the number of queues removes any
bandwidth-min
output settings in the startup configuration, and automatically re-allocates the
GMB per queue as shown in Table 6-14.
Table 6-14. Default GMB Percentage Allocations per QoS Queue Configuration
802.1p
Priority
8 Queues (default)
4 Queues
2 Queues
Queue
GMB
Queue
GMB
Queue
GMB
1 (lowest)
1
2%
1
8%
1
20%
2
2
3%
0 (normal)
3
30%
2
17%
3
4
10%
4 5
10%
3
30%
2
80%
5
6
10%
6 7
15%
4
45%
7 (highest)
8
20%
N o t e
For more information on configuring GMB, refer to the chapter titled “Port
Traffic Controls
” in the Management and Configuration Guide.
Configuring the Number of Priority Queues
To change the number of outbound priority queues for all ports on the switch,
use the
qos queue-config command.
6-96