Cisco 350XG series Administration Manual page 580

Quality of Service
General
Cisco 350XG & 550XG Series 10G Stackable Managed Switches
CoS/802.1p to a Queue
The CoS/802.1p to Queue page maps 802.1p priorities to egress queues. The
CoS/802.1p to Queue Table determines the egress queues of the incoming
packets based on the 802.1p priority in their VLAN Tags. For incoming untagged
packets, the 802.1p priority is the default CoS/802.1p priority assigned to the
ingress ports.
The following table describes the default mapping when there are 4 queues:
802.1p Values
(0-7, 7 being the
highest)
0
1
2
3
4
5
6
7
The following table describes the default mapping when there are 8 queues (for
the 550 family):
802.1p Queue
Values (8 queues 1-
(0-7, 7 being 8, 8 is the
the highest) highest
priority)
0 1
1 2
2 3
Queue
(4 queues 1-4, 4
being the highest
priority)
1
1
2
3
3
4
4
4
7 Queues
(8 is the highest
priority used for
stack control
traffic) Stack
1
1
2
Notes
Background
Best Effort
Excellent Effort
Critical Application - LVS phone
SIP
Video
Voice - Cisco IP phone default
Interwork Control - LVS phone
RTP
Network Control
Notes
Background
Best Effort
Excellent Effort
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