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Troubleshooting Virtual Private Networks by Mark Lewis

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Configuring MVPNs

MVPNs are configured on PE routers in an MPLS VPN backbone. In addition, PIM must be enabled on CE and P routers. This section discusses the configuration of CE, PE, and P routers to enable MPVN in the MPLS VPN backbone.

Configuring the CE Router

MVPN supports the configuration of PIM within customer sites. PIM must be enabled on the CE interface connected to the MVPN-enabled PE router.

Example 6-23 shows the configuration of PIM on the PE router connected interface of the CE router.

Example 6-23. Configuration of PIM on CE Router Interfaces
						interface Serial0
						ip pim sparse-dense-mode
					

In this example, the ip pim sparse-dense-mode command is used to enable PIM sparse-dense mode on the interface connected to the PE router (serial ...

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