Cisco N5K-M1600 - Expansion Module - 6 Ports Troubleshooting Manual page 62

Chapter 4 Troubleshooting QoS Issues
Improper Configurations
S e n d d o c u m e n t c o m m e n t s t o n e x u s 5 k - d o c f e e d b a c k @ c i s c o . c o m .
match cos 1
class-map type qos video-signal-global
match cos 4
//This qos policy-map will be attached under "system qos". It will be downloaded to 2248
to create CoS to queue mapping.//
policy-map type qos classify-5020-global
class voice-global
set qos-group 5
class video-signal-global
set qos-group 4
class critical-global
set qos-group 3
class scavenger-global
set qos-group 2
class-map type qos Video
match dscp 34
class-map type qos Voice
match dscp 40,46
class-map type qos Control
match dscp 48,56
class-map type qos BulkData
match dscp 10
class-map type qos Scavenger
match dscp 8
class-map type qos Signalling
match dscp 24,26
class-map type qos CriticalData
match dscp 18
//This qos policy-map will be applied under all N5k and 2248 interfaces to classify all
incoming traffic based on DSCP marking. Please note that even the policy-map will be
applied under Nexus 2248 interfaces the traffic will be classified on N5k//
policy-map type qos Classify-5020
class Voice
set qos-group 5
class CriticalData
set qos-group 3
class Control
set qos-group 3
class Video
set qos-group 4
class Signalling
set qos-group 4
class Scavenger
set qos-group 2
class-map type network-qos Voice
match qos-group 5
class-map type network-qos Critical
match qos-group 3
class-map type network-qos Scavenger
match qos-group 2
class-map type network-qos Video-Signalling
match qos-group 4
//This policy-map type network-qos will be applied under "system qos" to define the MTU,
marking and queue-limit(not configured here).//
policy-map type network-qos NetworkQoS-5020
class type network-qos Voice
set cos 5
class type network-qos Video-Signalling
set cos 4
mtu 9216
class type network-qos Scavenger
Cisco Nexus 5000 Series Troubleshooting Guide
4-4
OL-25300-01