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NE40E V800R010C10SPC500 Configuration Guide - IP Multicast 01

This is NE40E V800R010C10SPC500 Configuration Guide - IP Multicast
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Overview of IP Multicast Routing Management

Overview of IP Multicast Routing Management

Multicast routing and forwarding are implemented based multicast protocol routing and the multicast forwarding tables. Multicast routing and forwarding control are implemented based on multicast routing management.

In multicast implementation on the NE40E, multicast routing and forwarding involve the following aspects:

  • Each multicast routing protocol has a routing table, for example, a PIM routing table.

  • Routing entries of each multicast routing protocol are directly delivered to a multicast forwarding table. The multicast forwarding table controls the forwarding of multicast data packets.

A multicast routing protocol creates multicast routing entries based on the RPF mechanism. This ensures that multicast data can be transmitted along a correct path. The system performs the RPF check based on the following types of routes:

  • Unicast routes

    A unicast routing table collects the shortest route to each destination.

  • Multicast static routes

    A multicast static routing table contains statically configured RPF routes.

Multicast route management is used to manage multicast routing tables, control the generation of multicast routes, and change multicast RPF routes.

Updated: 2019-01-03

Document ID: EDOC1100055017

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