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Juniper Networks® Field Guide and Reference by Juniper Networks®, Cris Morris, Gary Drenan, Aviva Garrett

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Configuring Layer 2 VPNs

To configure Layer 2 VPN functionality, you must enable Layer 2 VPN support on the PE router. You must also configure PE routers to distribute routing information to the other PE routers in the VPN and configure the circuits between the PE routers and the CE routers. Each Layer 2 VPN is configured under a routing instance of type l2vpn. An l2vpn routing instance can transparently carry Layer 3 traffic across the service provider's network. As with other routing instances, all logical interfaces belonging to a Layer 2 VPN routing instance are listed under that instance. The configuration of the CE routers is not relevant to the service provider. The CE routers need to provide only the appropriate Layer 2 circuits to send ...

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