A customer-premises equipment (CPE) gateway and methods for operation thereof, and a multimedia server and methods for operation thereof are disclosed, the method for the CPE gateway, the method including: (a) receiving, by the CPE gateway, a first IGMP compliant command; (b) generating by the CPE gateway, in response to the first IGMP compliant command, a unicast command that instructs a multimedia server to generate a unicast media stream; wherein the generating includes concealing multicast information from at least one IGMP compliant entity that follows the CPE gateway; and (c) transmitting, by the CPE gateway, the unicast command to the at least one IGMP compliant entity; wherein the unicast command passes through the at least one IGMP compliant entity and reaches the multimedia server.