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Configuring Protocols Used by a VPN

The Services Routers in a VPN use a variety of protocols to communicate between PE and provider Services Routers. Use Table 64 to help you select the tasks for your VPN type. For more information about configuring routing protocols, see the JUNOS Routing Protocols Configuration Guide and the JUNOS MPLS Applications Configuration Guide.

Table 64: VPN Protocol Configuration Task Summary

Section	Layer 3 VPN	Layer 2 VPN	Layer 2 Circuit
Configuring MPLS for VPNs	N/A unless you are using RSVP	PE and provider Services Routers	PE Services Routers
Configuring a BGP Session	PE Services Routers	PE Services Routers	PE Services Routers
Configuring Routing Options for VPNs	All Services Routers	All Services Routers	All Services Routers
Configuring an IGP and a Signaling Protocol—one of the following tasks: Configuring LDP for Signaling Configuring RSVP for Signaling	PE and provider Services Routers	PE Services Routers	PE Services Routers
Configuring a Layer 2 Circuit	N/A	N/A	PE Services Routers

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