Cisco 7609 - Page 406

32-8
Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E
78-14064-04
Chapter 32 Configuring PFC QoS
Understanding How PFC QoS Works
Figure 32-4 PFC Classification, Marking, and Policing
PFC QoS Features
Trust CoS
Trust DSCP
Egress Interface
Trust IP Precedence
Untrusted
(Only From Untrusted Port)
CoS
CoS*
DSCPDSCP
DSCP
Policer
Marker
Map
Map
Map
Map
Map
Map
CoS*
DSCP
DSCP
IP
Precedence
CoS*
DSCP
CoS*
DSCP
*LAN ports only
Write
Layer 3
ToS byte
Write
Layer 2
CoS*
Layer 2
CoS drop
thresholds*
68835
Trusted Ingress
LAN Port
Received
Layer 3
ToS byte
Received
Layer 2
CoS
Layer 2
CoS drop
thresholds
Untrusted Ingress LAN Port
Received
Layer 3
ToS byte
Received
Layer 2
CoS
Always apply
Layer 2 CoS
Ingress
OSM Port
Received
Layer 3
ToS byte
No received Layer 2
QoS labels
Policer
Marker
Policer
Marker
Policer
Marker