Contents
20
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Enabling PFC QoS Globally 57
Enabling Ignore Port Trust 58
Configuring DSCP Transparency 59
Enabling Queueing-Only Mode 60
Enabling Microflow Policing of Bridged Traffic 60
Enabling VLAN-Based PFC QoS on Layer 2 LAN Ports 61
Enabling Egress ACL Support for Remarked DSCP 62
Creating Named Aggregate Policers 63
Configuring a PFC QoS Policy 65
Configuring Egress DSCP Mutation on a PFC3 83
Configuring Ingress CoS Mutation on IEEE 802.1Q Tunnel Ports 85
Configuring DSCP Value Maps 87
Configuring the Trust State of Ethernet LAN and OSM Ports 91
Configuring the Ingress LAN Port CoS Value 93
Configuring Standard-Queue Drop Threshold Percentages 93
Mapping QoS Labels to Queues and Drop Thresholds 99
Allocating Bandwidth Between Standard Transmit Queues 109
Setting the Receive-Queue Size Ratio 111
Configuring the Transmit-Queue Size Ratio 112
Common QoS Scenarios 113
Sample Network Design Overview 113
Classifying Traffic from PCs and IP Phones in the Access Layer 114
Accepting the Traffic Priority Value on Interswitch Links 117
Prioritizing Traffic on Interswitch Links 118
Using Policers to Limit the Amount of Traffic from a PC 121
PFC QoS Glossary 123
Configuring PFC3BXL or PFC3B Mode MPLS QoS 1
Terminology 2
PFC3BXL or PFC3B Mode MPLS QoS Features 3
MPLS Experimental Field 3
Trust 3
Classification 3
Policing and Marking 4
Preserving IP ToS 4
EXP Mutation 4
MPLS DiffServ Tunneling Modes 4
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