
Cisco CGMP and RGMP Protocols
Today SPOTO will tell you about the Cisco CGMP and RGMP protocols. CGMP protocol, Cisco group management protocol: CGMP is used to limit multicast traffic on a Layer 2 network. Because the switch cannot view the Layer 3 data packets, it cannot distinguish IGMP packets. With CGMP, the router tells the switch to the interface... » read more