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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Summary 247
The configuration applies dot1q subinterfaces to each Gigabit Ethernet interface separately
to achieve load balancing without using port channeling.
The QoS mapping configuration consists of prioritizing IP precedence values 4 and 5 with
50 percent of the effective bandwidth of interfaces Gigabit Ethernet 1, 3, and 4. By default,
Cisco IP Phones assign an IP precedence value of 5, which maps to queue class 2, to voice
traffic (thus the reasoning for using a higher WRR weight for this queue class).
Furthermore, interface Gigabit Ethernet 1 connected to the core switch applies a rate-limiting
configuration. The rate limiting limits all e ...
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