June 2003
Intermediate to advanced
432 pages
15h 56m
English
book
Cisco Catalyst QoS: Quality of Service in Campus Networks
by Mike Flannagan - CCIE® No. 7651, Richard Froom - CCIE No. 5102, Kevin Turek - CCIE No. 7284
Content preview from Cisco Catalyst QoS: Quality of Service in Campus Networks
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Classification and Marking 289
IP precedence or DSCP value for incoming frames. Again, similar to the behavior demon-
strated in Hybrid mode with the ACE dscp keyword, set ip precedence and set ip dscp,
when specified, do not supersede the configured port trust state. The PFC maintains the
ingress CoS, IP precedence, or DSCP value, as long as the corresponding mls qos trust
keyword is configured at the interface.
The following example demonstrates how to classify and subsequently mark traffic using
Native mode. The same criteria used in the Hybrid examples is used here. Again, the intent
is to mark all traffic destined for TCP ports 1720, 1731, and ...
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