Comparing the Architectures
Table 3-7 provides a brief comparison of the major features of each of the architectures presented in this chapter.
| Catalyst Platform | Form Factor | Switch Fabric | Fabric Bandwidth |
|---|---|---|---|
| 5000 | Modular | Shared bus | 1.2 Gbps |
| 5500 | Modular | Crossbar | 3.6 Gbps |
| 6000 | Modular | Shared bus | 32 Gbps |
| 6500 with SFM | Modular | Crossbar | 256 Gbps |
| 6500 with Supervisor 720 | Modular | Crossbar | 360 Gbps (720 full duplex) |
| 4500 | Modular | Centralized | 64 Gbps |
| 3750 | Fixed-Stackable | Dual Ring | 32 Gbps |
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