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Contents
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Cisco AVVID Network Infrastructure Enterprise Quality of Service Design
956467
Video
2-3
Video Conferencing
2-4
Streaming Video
2-4
Mission-Critical Applications
2-4
DLSW+
2-4
Less-than-Best-Effort
2-5
Summary
2-5
C H A P T E R
3
QoS in an AVVID-Enabled Campus Network
3-1
Overview
3-1
Delay Variation
3-2
Transmit Buffer Congestion
3-2
QoS Toolset
3-4
Classification
3-4
Scheduling
3-5
Server Farm Switch Selection
3-6
Voice Bearer Traffic
3-7
Voice over IP Call Control
3-10
Skinny Protocol
3-10
H.323 Protocol
3-11
MGCP
3-11
Verifying the ACLs
3-12
Mission-Critical Data
3-12
Selecting an Access-Layer Switch
3-14
Catalyst 6500 as an Access-Layer Switch
3-15
Enabling QoS
3-17
Configuring IP Phone Port Queuing
3-17
Configuring the Uplink to the Distribution Switch
3-18
Verifying the Configuration
3-19
Catalyst 4000 as an Access-Layer Switch
3-21
Catalyst 4000 with Supervisor III
3-22
Catalyst 4000 with Supervisor II
3-29
Catalyst 3524-PWR XL as an Access-Layer Switch
3-31
Configuring IP Phone Port Queuing
3-32
Configuring the Uplink Interface to the Distribution Switch
3-33
Catalyst 3550 as an Access-Layer Switch
3-33
Enabling QoS
3-34
Modifying the CoS-to-DSCP Mappings
3-34
Enabling Priority Queuing
3-35