1-10
Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004
Chapter 1 Preparing for Configuration
Typical Topologies
illustrates the differences between the PXM45/A, PXM45/B, and PXM45/C cards.
.
Typical Topologies
Release 5 of the Cisco MGX 8850 (PXM45) and Cisco MGX 8950 switches support the following
topologies:
•
Core switch
•
Multiservice edge aggregation
•
DSL edge aggregation
Release 5 of the Cisco MGX 8850 (PXM1E) and Cisco MGX 8830 switches supports the following
topologies:
•
Multiservice edge aggregation
•
DSL edge aggregation
Table 1-3
Differences between PXM 45 Cards
Feature
PXM45
1
1.
The PXM45 is sometimes called the PXM45/A and is not supported in Release 5 software.
PXM45/B
PXM45/C
Maximum number of UNI/NNI interfaces
per node supported
192
4,000
4,000
Maximum number of preferred routes
supported
5,000
5,000
10,000
Maximum number of narrowband
connections supported
N/A
27 k
27 k
Maximum number of SPVC/SVC
connections supported
250 k
250 k
250k
Maximum number of PNNI links
supported
100
100
128