Application Notes; Architecture - Cisco WS C4224V 8FXS - 200Mbps Ethernet Switch Software Configuration Manual

Application Notes

Note
Application Notes

Architecture

Catalyst 4224 Access Gateway Switch Software Configuration Guide
1-10
DES and 3DES software is controlled by U.S. export regulations on encryption
products. For additional details visit the following URL:
http://www.cisco.com/wwl/export/crypto/
This section contains the following topics:
Architecture, page 1-10
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DSP Allocation, page 1-11
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InterVLAN Routing, page 1-14
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Quality of Service, page 1-14
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Layer 2 QoS, page 1-14
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Separate Voice and Data VLANs, page 1-15
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• Single Voice and Data VLAN with dot1p, page 1-15
Layer 3 QoS, page 1-16
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WAN QoS Queuing and Scheduling, page 1-16
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Summary of the Layer 3 WAN QoS Features, page 1-16
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The Catalyst 4224 consists of the following physical subsystems:
Time-division multiplexing (TDM) subsystem—Two VIC/WIC/VWIC slots,
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one VIC slot, a built-in high-density FXS module, and a TDM switch
CPU subsystem—Supports routing functions and interfaces for the TDM and
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switch subsystems
Switch subsystem—24 10/100 Ethernet port switch with QoS and interfaces
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to the CPU and power subsystems
Chapter 1 Product Overview
OL-2031-02