P
RIORITY
C
OMMANDS
4-223
Related Commands
show queue bandwidth (4 -224)
queue cos-map
This command assigns class of service (CoS) values to the priority queues
(i.e., hardware output queues 0 - 7). Use the
no
form set the CoS map to
the default values.
Syntax
queue cos-map
queue_id
[
cos1 ... cosn
]
no queue cos-map
•
queue_id
- The ID of the priority queue.
Ranges are 0 to 7, where 7 is the highest priority queue.
•
cos1 .. cosn
- The CoS values that are mapped to the queue ID. It is
a space-separated list of numbers. The CoS value is a number from
0 to 7, where 7 is the highest priority.
Default Setting
This switch supports Class of Service by using eight priority queues,
with Weighted Round Robin queuing for each port. Eight separate
traffic classes are defined in IEEE 802.1p. The default priority levels
are assigned according to recommendations in the IEEE 802.1p
standard as shown below.
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• CoS values assigned at the ingress port are also used at the egress port.
• This command sets the CoS priority for all interfaces.
Table 4-62 Default CoS Priority Levels
Queue
0
1
2
3
4
5
6
7
Priority
2
0
1
3
4
5
6
7
Summary of Contents for 6128L2
Page 2: ......
Page 21: ...CONTENTS xvii Glossary Index ...
Page 22: ...CONTENTS xviii ...
Page 26: ...TABLES xxii ...
Page 40: ...INTRODUCTION 1 10 ...
Page 54: ...INITIAL CONFIGURATION 2 14 ...
Page 193: ...PORT CONFIGURATION 3 139 Figure 3 61 Displaying Etherlike and RMON Statistics ...
Page 257: ...QUALITY OF SERVICE 3 203 Figure 3 90 Configuring Policy Maps ...
Page 313: ...COMMAND GROUPS 4 13 PE Privileged Exec VC VLAN Database Configuration ...
Page 592: ...TROUBLESHOOTING B 4 ...
Page 605: ......