Enabling Ignore Port Trust - Cisco 7604 Configuration Manual
Ios software configuration guide
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Configuring PFC QoS
Router#
Enabling Ignore Port Trust
In Release 12.2(18)SXF5 and later releases, the ignore port trust feature allows an ingress policy to
apply a configured IP precedence or DSCP value to any traffic, rather than only to untrusted traffic.
To enable ignore port trust, perform this task:
Command
Step 1
Router(config)# mls qos marking ignore port-trust
Router(config)# no mls qos marking ignore port-trust
Step 2
Router(config)# end
Step 3
Router# show mls qos | include ignores
For untrusted traffic, when ignore port trust is enabled, PFC QoS does the following:
Note
•
•
This example shows how to enable ignore port trust and verify the configuration:
Router# configure terminal
Router(config)# mls qos marking ignore port-trust
Router(config)# end
Router# show mls qos | include ignores
Policy marking ignores port_trust
Router#
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
41-58
IP shortcut packets: 1410
Packets dropped by policing: 0
IP packets with TOS changed by policing: 467
IP packets with COS changed by policing: 59998
Non-IP packets with COS changed by policing: 0
For IP traffic, PFC QoS uses the received DSCP value as the initial internal DSCP value.
For traffic without a recognizable ToS byte, PFC QoS maps the port CoS value to the initial internal
DSCP value.
Chapter 41
Purpose
Enables ignore port trust globally on the router.
Disables ignore port trust globally on the router
(default).
Exits configuration mode.
Verifies the configuration.
Configuring PFC QoS
OL-4266-08
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