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Can I configure failover for three or more units of FWSM, which are spread over different switch chassis?

April 26, 2017chassis configure different failover fwsm spread Switch units

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Can I configure failover for three or more units of FWSM, which are spread over different switch chassis?

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A. No. Failover setup is supported only for a pair of FWSM, for example, 2 units. These two units can be in a same switch or two separate switches. If you install the secondary FWSM in the same switch as the primary FWSM, you protect against module-level failure. In order to protect against module-level failure and as well as switch-level failure, you can install the secondary FWSM in a separate switch. FWSM does not coordinate failover directly with the switch, but it works harmoniously with the switch failover operation. Refer to Intra- and Inter-Chassis Module Placement for more information.