Due to Mono's bug, some methods are not implemented on OS X, which breaks SharpSnmpLib.Full.
The workaround is to clone the code base and compile your own copy of SharpSnmpLib.Full on OS X. Then the conditional compilation will address the issue.
The workaround is to clone the code base and compile your own copy of SharpSnmpLib.Full on OS X. Then the conditional compilation will address the issue.