Using the TCP transport
Unlike RAET, which uses a different type of keys, the TCP transport uses the same keys as the ZeroMQ transport. This means that you can switch from ZeroMQ to TCP and back as you wish, bearing in mind that the master and minions must also be restarted to pick up the change.
Both master and minion use the same setting to switch to the TCP transport:
transport: tcp
However, as of the Carbon release of Salt, minions may instead be configured to use a setting of detect:
transport: detect
When a minion is configured this way, it will check with the master while starting up to see which transport it is configured to use. It will first check to see whether the master is configured to use zeromq. If it can't connect that way, then ...
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