HP FlexFabric 7900 Series Installation Manual page 35

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When connecting two neighboring IRF member switches, you must connect the physical ports of IRF-port

1 on one switch to the physical ports of IRF-port 2 on the other switch.

You can create an IRF fabric in daisy chain topology or more reliable ring topology. In ring topology, the

failure of one IRF link does not cause the IRF fabric to split as in daisy chain topology. Instead, the IRF

fabric changes to a daisy chain topology without interrupting network services.

Figure 32

and

Figure 33

show the topologies of an IRF fabric made up of three switches. The IRF port

connections in the two figures are for illustration only, and more connection methods are available.

For information about the physical ports available for IRF connections on the switch, see

"Determining

physical IRF ports on the member

switches."

Figure 32 IRF fabric in daisy chain topology

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Flexfabric 7904