IGMP has a Query-Response type of operation. A term you have to remember related with IGMP is Querier. A Querier device is normally a local multicast enabled router. A Querier sends IGMP Membership Query (MR) messages periodically to find out which devices are members of a particularmulticast ...
Ordinarily, a layer 2 switch would not be aware of IGMP messages, but they can listen in to these via IGMP snooping. This enables them to identify where multicast messages should be forwarded, so that only the correct devices receive multicast traffic. How is multicasting different in IPv4 ...
The role of IGMP is clearly defined: The communication protocol is always used wheresuch as the internet. Classic deployment scenarios arethat run over multipoint connections – such asor. Not every client should have to be supplied with the required data stream individually, as this would quickl...
This article introduces how IGMP Snooping works, and the functions and applications of IGMP Snooping.
Internet Group Management Protocol (IGMP) snooping sounds like an invasion of privacy or a type of hacking attack, but it is actually an important feature in multimedia broadcasts. IGMP snooping aims to decrease broadband and memory usage, and helps a broadcast remain powerful by limiting the amo...
Format:protocol-number|icmp|tcp|udp|gre|igmp|ip|ipinip|ospf An advanced ACL can filter packets based on protocol types, such as ICMP (protocol number 1), TCP (protocol number 6), UDP (protocol number 17), GRE (protocol number 47), IGMP (protocol number 2), IP (any IP layer protocol...
Format:protocol-number|icmp|tcp|udp|gre|igmp|ip|ipinip|ospf An advanced ACL can filter packets based on protocol types, such as ICMP (protocol number 1), TCP (protocol number 6), UDP (protocol number 17), GRE (protocol number 47), IGMP (protocol number 2), IP (any IP layer protocol...
3. If a host intends to exit or leave a group it sends a leave message to therouter. The router updates itsmulticastrouting table. If necessary, forward this message to routers. In conclusion What is IGPM?IGMPis an IPv4network protocolthat facilitates communication for multicasting. It enables...
什么是互联网组管理协议 (IGMP)? 互联网组管理协议 (IGMP) 是允许多个设备共享一个 IP 地址以便它们可以接收相同数据的协议。IGMP 是一个网络层协议,用于在使用互联网协议版本 4 (IPv4) 的网络上设置多播。具体来说,IGMP 允许设备加入一个多播组。
119. What is IGMP? IP Group Message Protocol. Internet Group MAC Protocol. Internet Group Message Protocol. Answer:C) Internet Group Message Protocol. Explanation: IGMP is an abbreviation for Internet Group Message Protocol. Learn & Test Your Skills ...