Receive SNMP Trap from Meraki Dashboard

receive_snmp_trap_from_meraki.py

import socket
from pysnmp.proto import api
from pyasn1.codec.ber import decoder


port = 162
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.bind(("", port))
while 1:
    data, addr = s.recvfrom(4048)
    print(addr[0])
    version = int(api.decodeMessageVersion(data))
    if version in api.protoModules:
        protocol_module = api.protoModules[version]
        request_message, whole_message = decoder.decode(
          data, asn1Spec=protocol_module.Message(),
        )
        pdu = protocol_module.apiMessage.getPDU(request_message)
        var_binds = protocol_module.apiPDU.getVarBinds(pdu)
        for oid, val in var_binds:
            print('    %s = %s' % (oid.prettyPrint(), val.prettyPrint()))
    else:
        print('Unsupported SNMP version %s' % version)