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Configuring Multicast Connectivity for the VPN on the PE Router

To configure multicast connectivity for the VPN on the PE router, you must configure a VPN group address and configure the interfaces toward the router acting as RP. To configure the VPN group address, include the vpn-group-address statement at the [edit routing-instances instance-name protocols pim] hierarchy level:



[edit routing-instances instance-name protocols pim]

vpn-group-address address;

The PIM configuration in the VPN routing and forwarding (VRF) instance on the PE routers should match the master PIM instance on the CE router. Therefore, the PE router contains both a master PIM instance (to communicate with the provider core) and the VRF instance (to communicate with the CE routers). See the JUNOS VPNs Configuration Guide for information about configuring VPNs on PE routers.

Note: VRF instances that are part of the same VPN share the same VPN group address. For example, all PE routers containing multicast-enabled routing instance VPN-A share the same VPN group address configuration. In Figure 36, the shared VPN group address configuration is 239.1.1.1.

Figure 36: Multicast Connectivity for the VPN

Image g017127.gif

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