Cisco 7604 User Manual

Contents
21
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
PFC3BXL or PFC3B Mode MPLS QoS Overview 5
Specifying the QoS in the IP Precedence Field 5
PFC3BXL or PFC3B Mode MPLS QoS 5
LERs at the Input Edge of an MPLS Network 6
LSRs in the Core of an MPLS Network 7
LERs at the Output Edge of an MPLS Network 7
Understanding PFC3BXL or PFC3B Mode MPLS QoS 8
LERs at the EoMPLS Edge 8
LERs at the IP Edge (MPLS, MPLS VPN) 9
LSRs at the MPLS Core 13
PFC3BXL or PFC3B MPLS QoS Default Configuration 15
MPLS QoS Commands 16
PFC3BXL or PFC3B Mode MPLS QoS Restrictions and Guidelines 17
Configuring PFC3BXL or PFC3B Mode MPLS QoS 18
Enabling QoS Globally 18
Enabling Queueing-Only Mode 19
Configuring a Class Map to Classify MPLS Packets 20
Configuring the MPLS Packet Trust State on Ingress Ports 22
Configuring a Policy Map 23
Displaying a Policy Map 28
Configuring PFC3BXL or PFC3B Mode MPLS QoS Egress EXP Mutation 29
Configuring EXP Value Maps 31
MPLS DiffServ Tunneling Modes 32
Short Pipe Mode 32
Uniform Mode 33
MPLS DiffServ Tunneling Restrictions and Usage Guidelines 35
Configuring Short Pipe Mode 35
Ingress PE Router—Customer Facing Interface 35
Configuring Ingress PE Router—P Facing Interface 36
Configuring the P Router—Output Interface 38
Configuring the Egress PE Router—Customer Facing Interface 39
Configuring Uniform Mode 40
Configuring the Ingress PE Router—Customer Facing Interface 40
Configuring the Ingress PE Router—P Facing Interface 41
Configuring the Egress PE Router—Customer Facing Interface 42

Cisco 7604 Specifications

General

Brand	Cisco
Model	7604
Category	Network Router
Language	English