Reference Guide

964 | Quality of Service (QoS)
www.dell.com | support.dell.com
Command Modes
CONFIGURATION (conf-policy-map-in and conf-policy-map-out)
Command
History
Usage
Information
There are eight (8) queues per interface on the E-Series and four (4) queues per interface on the
C-Series and S-Series. This command assigns a class map or QoS policy to different queues.
Related
Commands
set
c e s z
Mark outgoing traffic with a Differentiated Service Code Point (DSCP) or dot1p value.
Syntax
set {ip-dscp value | mac-dot1p value}
Parameters
Defaults
No default behavior or values
Command Modes
CONFIGURATION (conf-qos-policy-in)
Command
History
Usage
Information
C-Series and S-Series
Once the IP DSCP bit is set, other QoS services can then operate on the bit settings.
E-Series
Once the IP DSCP bit is set, other QoS services can then operate on the bit settings. WRED (Weighted
Random Early Detection) ensures that high-precedence traffic has lower loss rates than other traffic
during times of congestion.
Version 8.3.11.1 Introduced on Z9000
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
pre-Version 6.1.1.1 Introduced on E-Series
class-map Identify the class map.
service-policy input Apply an input policy map to the selected interface.
service-policy output Apply an output policy map to the selected interface.
ip-dscp value (OPTIONAL) Enter the keyword ip-dscp followed by the IP DSCP value.
Range: 0 to 63
mac-dot1p value
Enter the keyword mac-dot1p followed by the dot1p value.
Range: 0 to 7
On the C-Series and S-Series allowed values are:0,2,4,6
Version 8.3.11.1 Introduced on Z9000
Version 8.2.1.0 mac-dot1p available on the C-Series and S-Series
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
Version 7.4.1.0 E-Series Only: Expanded to add support for mac-dot1p
pre-Version 6.1.1.1 Introduced on E-Series