There is provided a multicast router comprising a Simple Network Management Protocol (SNMP) agent and an SNMP database and a method of monitoring the router. In some embodiments the method comprises the multicast router receiving, via a downstream network interface, multicast data requests made by one or more hosts; the multicast router reading data contained in the multicast data request; the multicast router storing first data in the SNMP database for a downstream network interface, a multicast group address and a first host that requests multicast data, wherein the first data comprises information of the multicast groups and multicast channels requested by the first host; and the SNMP agent of the multicast router transmitting to an SNMP control station, using a version of the SNMP protocol, at least a part of the first data stored in the SNMP database.