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First of all, tcpreplay is not part of Wireshark. For documentation see https://tcpreplay.appneta.com/

As you can read there tcpreplay simply puts the frames from a capture on the wire, regardless of what protocols these frames contain. So strictly speaking tcpreply does not support any protocol, only frames.

That is fine to test network equipment but not if you want a server the accept and respond to that traffic. Take a look at tcpliveplay for that.

SNMP is a simple text based protocol, It is a lot simpler to write you own program, in any language, than try using tcpliveplay.