P
RIORITY
C
OMMANDS
4-227
map ip dscp
(Interface Configuration)
This command sets IP DSCP priority (i.e., Differentiated Services Code
Point priority). Use the
no
form to restore the default table.
Syntax
map ip dscp
dscp-value
cos
cos-value
no map ip dscp
•
dscp-value
- 8-bit DSCP value. (Range: 0-255)
•
cos-value
- Class-of-Service value (Range: 0-7)
Default Setting
The DSCP default values are defined in the following table. Note that
all the DSCP values that are not specified are mapped to CoS value 0.
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• The precedence for priority mapping is IP DSCP, and default
switchport priority.
• DSCP priority values are mapped to default Class of Service values
according to recommendations in the IEEE 802.1p standard, and
then subsequently mapped to the eight hardware priority queues.
• This command sets the IP DSCP priority for all interfaces.
Table 4-64 Mapping IP DSCP to CoS Values
IP DSCP Value
CoS Value
0
0
8
1
10, 12, 14, 16
2
18, 20, 22, 24
3
26, 28, 30, 32, 34, 36
4
38, 40, 42
5
48
6
46, 56
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: ......