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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QoS Support on the Catalyst 4000 IOS Family of Switches 215
Policing Resources
The architecture of the Catalyst 4000 IOS Family of switches limits the number of input
policers and output policers to 1024. The architecture processes all packets for policing
regardless of configuration. As a result, the Cisco Catalyst 4000 IOS reserves two input and
two output policers for null processing. Subsequently, 1022 policers for input policing and
1022 policers for output policing are available.
Port-Based and VLAN-Based Policing
Port-based policing entails binding policy maps to individual ports. VLAN-based policing
involves attaching a policy map to a
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