IOM modules
IOM modules are also known as Cisco FEXs or simply FEX modules. These modules serve as line cards to the FIs in the same way that Nexus series switches can have remote line cards. IOM modules also provide interface connections to blade servers. They multiplex data from blade servers and provide this data to FIs and do the same in the reverse direction as well. In production environments, IOM modules are always used in pairs to provide redundancy and failover.
Apart from data transfers between chassis and FIs, IOM modules provide the following two features:
- Chassis Management Controller (CMC): This monitors chassis components such as fan units, power supplies, and chassis temperature. This also reads chassis component identification data ...
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