16.1.10 Fixed Active Port Function at Switch Startup
Use the functionality to fix the active port at Switch startup if you want to always start communication on the primary port when the Switch starts. When this functionality is enabled on a Switch, communication via the uplink port pair does not start even if the secondary port is enabled at startup.Instead, communication starts only when the primary port is enabled.
The active port fixing function is released when one of the following conditions is satisfied to determine the active port: After the active port is determined, the operation is the same as normal operation, and the active port is switched by a failure on the active port or execution of an operation command.
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When the primary port is linked up
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When the secondary port transitions to the active port by executing an operation command
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When switching of the master switch occurs in the stack configuration
The following figure shows operation when the functionality to fix the active port at Switch startup is enabled.
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![[Figure Data]](./GRAPHICS/ZU230050.GIF)