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    MULTICAST IP ROUTING Part-2: IP routing & forwarding
    MULTICAST IP ROUTING Part-2: IP routing & forwarding
    MULTICAST IP ROUTING Part-2: IP routing & forwarding
    Ebook56 pages26 minutes

    MULTICAST IP ROUTING Part-2: IP routing & forwarding

    By Ummed Singh

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    About this ebook

    IP multicast routing is a technique used in computer networks to efficiently deliver data packets from a single sender to multiple recipients. It is specifically designed for applications where data needs to be distributed simultaneously to a group of interested receivers. In traditional unicast communication, a sender sends packets to individual receivers using their unique IP addresses. This creates a point-to-point connection between the sender and each receiver, resulting in duplicate transmissions if multiple receivers are interested in the same data. Unicast is inefficient for one-to-many or many-to-many communication scenarios. Multicast routing, on the other hand, allows a sender to transmit a single copy of a packet, and network routers replicate and forward it to all interested receivers. This saves network bandwidth and processing resources, as the data is distributed only once. Multicast routing uses special IP multicast addresses, typically in the range of 224.0.0.0 to 239.255.255.255, to identify multicast groups. To enable IP multicast routing, routers in the network need to support multicast routing protocols such as Protocol Independent Multicast (PIM). These protocols enable routers to exchange information about multicast groups and determine the optimal path for forwarding multicast traffic. Routers maintain multicast routing tables that specify the outgoing interfaces and next-hop routers for forwarding multicast packets. When a sender wants to send data to a multicast group, it encapsulates the data in a multicast packet and sets the appropriate multicast IP destination address. The routers along the path use the multicast routing tables to determine how to forward the packet to all interested receivers. Receivers interested in receiving multicast data join the multicast group by sending a membership request to the nearest router. The router adds the receiver to the multicast distribution tree, and subsequent multicast packets are forwarded

    LanguageEnglish
    PublisherBookRix
    Release dateJul 16, 2023
    ISBN9783755447085
    MULTICAST IP ROUTING Part-2: IP routing & forwarding

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      Book preview

      MULTICAST IP ROUTING Part-2 - Ummed Singh

      Table of Index

      What is IGMP Snooping?

      IGMP snooping without L3 devices

      IGMP Snooping on L3 Devices

      IGMP Group Leave

      Configuration of IGMP Snooping

      Global IGMP Snooping configuration:

      IGMP Snooping without L3 device:

      Example without Router

      Solution 1: IGMP snooping querier.

      Solution 2: PIM onSwitch Virtual interface

      Solution 3: Static mrouter port

      Solution 4: Static multicast entry

      Alternative solution: Disable IGMP snooping

      What is Cisco Group Management Protocol (CGMP)?

      What is CGMP Process?

      This eBook is based on IP MULTICAST ROUTING that has been collected from different sources and people. For more information about this ebook. Kindly write to ummedsingh7427@gmail.com. I will happy to help you.

                                                          Copyright 2023 by Ummed Singh

      This eBook is a guide and serves as a next part of first guide. Previous Part IP MULTICAST ROUTING Part-1 has already been published.In addition, please get expert advice or you can write to ummedsingh7427@gmail.com for any query, we will be happy to help you. This book has been written on the advice of many experts and sources who have good command over Networking and routing.

      They are listed at the end of this book. All images used in this book are taken from the LAB which is created by experts. All rights reserved, including the right to reproduce this book or portions thereof in any form whatsoever. For any query reach out to the author through email.

      What is IGMP Snooping?

      When there are multiple recipients connected to a network, utilizing multicast traffic is a favorable choice. It proves to be more efficient compared to unicast, as the traffic is transmitted only once, conserving valuable bandwidth. Moreover, it outperforms broadcast by ensuring that only the intended recipients who are interested in the traffic receive it. While routers employ Protocol Independent Multicast (PIM) to determine the appropriate path for forwarding multicast traffic, the role of switches in this process is different. Layer two switches are uncomplicated devices.

      They learn the source MAC addresses and store them in their MAC address tables. Upon receiving a frame, they examine the destination MAC address, perform a lookup in the MAC address table, and then forward the frame accordingly. This mechanism functions effectively for unicast traffic. However, it poses a challenge when dealing with multicast traffic. Refer to the following example for

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