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Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Chapter
Cisco MGX 8220 System Overview
This chapter describes the features and functions of Release 5.0 of the Cisco MGX 8220 edge
concentrator.
Figure 1-1 is an illustration of a Cisco MGX 8220 switch.
Figure 1-1 Cisco MGX 8220 Shelf
The Cisco MGX 8220 IP+ATM edge concentrator offers a wide range of services in a single, compact
aggregation shelf. This enables service providers to build an integrated multiservice network to deliver
Frame Relay, ATM, and private line services. By concentrating narrowband traffic over a wide-area
ATM network backbone, the Cisco MGX 8220 reduces equipment costs and makes efficient use of
trunking resources. This protects a service provider’s investment in equipment and allows the rapid
deployment of new services as required.
Configuration Examples
The Cisco MGX 8220 edge concentrator can be used to concentrate services for a Cisco BPX 8600
series switch either from a local or remote location. The Cisco MGX 8220 can also be used as a stand
alone edge concentrator.
Cisco BPX 8600 Series Switch
When configured as part of a Cisco BPX 8600 series wide-area switch, the Cisco MGX 8220 edge
concentrator allows modular scaling of the service node capacity without requiring additional switches.
All Cisco MGX 8220 edge concentrator shelves in a service node are logically managed as an integrated
part of the service node.
Each Cisco MGX 8220 shelf connects to the Cisco BPX switch across one of the following:
• T3 or E3 ATM to a BNI or T3/E3 BXM module
• SMF SONET ATM link to a BXM-155-8 port or BXM-155-4 port
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