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CLI-based Configuration Guide - IP Multicast

AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R007

This document describes the principles and configurations of IP multicast, and provides configuration examples.
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PIM Neighbor Relationship Between CE, PE, and P

PIM Neighbor Relationship Between CE, PE, and P

The PIM neighbor relationship is set up between two or more direct multicast devices that reside in the same network segment. There are three types of PIM neighbor relationships in a multicast domain (MD) VPN: PE-Customer Edge (CE) neighbor relationship, PE-Provider (P) neighbor relationship and PE-PE neighbor relationship.

As shown in Figure 7-5, VPN A instances on each PE and the sites that belong to the VPN A implement VPN A multicast. Figure 7-6 shows the neighbor relationship between CE, PE, and P.

Figure 7-5  VPN A multicast

Figure 7-6  Neighbor relationship between CE, PE, and P in an MD

  • PE-CE neighbor relationship

    It is set up between the interface on the PE bound to a VPN instance and the interface on the CE at the remote end of the link.

  • PE-P neighbor relationship

    It is set up between the interface on the public network side of the PE and the interface on the P at the remote end of the link.

  • PE-PE neighbor relationship

    It is set up after the VPN instance on the local PE receives Hello packets from the VPN instance on the remote PE through a Multicast Tunnel Interface (MTI).

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Updated: 2019-06-12

Document ID: EDOC1000097181

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