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.
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.
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 ...