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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386 Chapter 10: End-to-End QoS Case Studies
As with the Catalyst 2950 switch, the Catalyst 4506 switch uses two different classification
models based on the front-panel port. The campus engineering staff uses interfaces 1
through 24 for Cisco IP Phones and workstations. The campus management staff connects
to interfaces 25 through 48.
The interfaces designated for either engineering or management employ the trust DSCP
classification method. The switch just trusts the DSCP value of all ingress frames. As a
result, the switch maps any packet
's ingress DSCP directly to the internal DSCP value.
Furthermore, the interface configuration consists of the ...
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