Junos Layer 3 VPNs (JL3V)

After successfully completing this course, you should be able to:

• Describe the value of MPLS VPNs.
• Describe the differences between provider-provisioned VPNs and customer-provisioned VPNs.
• Describe the differences between Layer 2 VPNs and Layer 3 VPNs.
• List the provider-provisioned MPLS VPN features supported by the JUNOS software.
• Describe the roles of a CE device, PE router, and P router in a BGP Layer 3 VPN.
• Describe the format of the BGP routing information, including VPN-IPv4 addresses and route distinguishers.
• Describe the propagation of VPN routing information within an AS.
• List the BGP design constraints to enable Layer 3 VPNs within a provider network.
• Explain the operation of the Layer 3 VPN data plane within a provider network.
• Create a routing instance, assign interfaces to a routing instance, create routes in a routing instance, and import/export routes from a routing instance using route distinguishers/route targets.
• Describe the purpose of BGP extended communities, configure extended BGP extended communities, and use BGP extended communities.
• List the steps necessary for proper operation of a PE-CE dynamic routing protocol.
• List the troubleshooting and monitoring techniques for routing instances.
• Explain the difference between the bgp.l3vpn table and the inet.0 table of a routing instance.
• Monitor the operation of a CE-PE dynamic routing protocol.
• Explain the operation of a PE mulit-access interface in a Layer 3 VPN and list commands to modify that behavior.
• Describe ways to support communication between sites attached to a common PE router.
• Provision and troubleshoot hub-and-spoke Layer 3 VPNs,
• Describe the flow of control traffic and data traffic in a hub-and-spoke Layer 3 VPN.
• Describe QoS mechanisms available in L3VPNs.
• Configure L3VPN over GRE tunnels.
• Describe the RFC 4364 VPN options.
• Describe the carrier-of-carriers model.
• Configure the carrier-of-carriers and “Option C” configuration.
• Describe the flow of control and data traffic in a draft-rosen multicast VPN.
• Describe the configuration steps for establishing a draft-rosen multicast VPN.
• Monitor and verify the operation of draft-rosen multicast VPNs.
• Describe the flow of control traffic and data traffic in a next-generation multicast VPN.
• Describe the configuration steps for establishing a next-generation multicast VPN.
• Describe the configuration steps for establishing a next-generation multicast VPN.
• Monitor and verify the operation of next-generation multicast VPNs.
• Describe the flow of control traffic and data traffic when using MPVNs for Internet multicast.
• Describe the configuration steps for enabling internet multicast using MVPNs.
• Monitor and verify the operation of MVPN internet multicast.