Impact of QoS queue configuration on guaranteed minimum bandwidth (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 the following table.

Table 28: 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
5 6 10% 4 30% 2 80%
6 7 15%
7 (highest) 8 20% 45%