Course Objectives
- Explain common terms relating to MPLS.
- Explain routers and the way they forward MPLS packets.
- Explain packet flow and handling through a label-switched path (LSP).
- Describe the configuration and verification of MPLS forwarding.
- Understand the information in the Label Information Base.
- Explain the two label distribution protocols used by the Junos OS.
- Configure and troubleshoot RSVP-signaled and LDP-signaled LSPs.
- Explain the constraints of both RSVP and LDP.
- Explain the path selection process of RSVP without the use of the Constrained Shortest Path First (CSPF) algorithm.
- Explain the Interior Gateway Protocol (IGP) extensions used to build the Traffic Engineering Database (TED).
- Describe the CSPF algorithm and its path selection process.
- Describe administrative groups and how they can be used to influence path selection.
- Describe the default traffic protection behavior of RSVP-Signaled LSPs.
- Explain the use of primary and secondary LSPs.
- Explain LSP priority and preemption.
- Describe the operation and configuration of fast reroute.
- Describe the operation and configuration of link and node protection.
- Describe the LSP optimization options.
- Explain the purpose of several miscellaneous MPLS features.
- Explain the definition of the term “Virtual Private Network”.
- Describe the differences between provider-provisioned and customer-provisioned VPNs.
- Describe the differences between Layer 2 VPNs and Layer 3 VPNs.
- Explain the features of provider-provisioned VPNs supported by the Junos OS.
- Explain the roles of Provider (P) routers, Provider Edge (PE) routers, and Customer Edge (CE) routers.
- Describe the VPN-IPv4 address formats.
- Describe the route distinguisher use and formats.
- Explain the RFC 4364 control flow.
- Create a routing instance, assign interfaces, create routes, and import and export routes within the routing instance using route distinguishers and route targets.
- Explain the purpose of BGP extended communities and how to configure and use these communities.
- Describe the steps necessary for proper operation of a PE to CE dynamic routing protocol.
- Configure a simple Layer 3 VPN using a dynamic CE-PE routing protocol.
- Describe the routing-instance switch.
- Explain the issues with the support of traffic originating on multiaccess VPN routing and forwarding table (VRF table) interfaces.
- Use operational commands to view Layer 3 VPN control exchanges.
- Use operational commands to display Layer 3 VPN VRF tables.
- Monitor and troubleshoot PE-CE routing protocols.
- Describe the four ways to improve Layer 3 VPN scaling.
- Describe the three methods for providing Layer 3 VPN customers with Internet access.
- Describe how the auto-export command and routing table groups can be used to support communications between sites attached to a common PE router.
- Describe the flow of control and data traffic in a hub-and-spoke topology.
- Describe the various Layer 3 VPN class-of-service (CoS) mechanisms supported by the Junos OS.
- Explain the Junos OS support for generic routing encapsulation (GRE) and IP Security (IPsec) tunnels in Layer 3 VPNs.
- Describe the flow of control traffic and data traffic in a next-generation MVPN.
- Describe the configuration steps for establishing a next-generation MVPN.
- Monitor and verify the operation of next-generation MVPNs.
- Describe the purpose and features of a BGP Layer 2 VPN.
- Describe the roles of a CE device, PE router, and P router in a BGP Layer 2 VPN.
- Explain the flow of control traffic and data traffic for a BGP Layer 2 VPN.
- Configure a BGP Layer 2 VPN and describe the benefits and requirements of over-provisioning.
- Monitor and troubleshoot a BGP Layer 2 VPN.
- Explain the BGP Layer 2 VPN scaling mechanisms and route reflection.
- Describe the Junos OS BGP Layer 2 VPN CoS support.
- Describe the flow of control and data traffic for an LDP Layer 2 circuit.
- Configure an LDP Layer 2 circuit.
- Monitor and troubleshoot an LDP Layer 2 circuit.
- Describe and configure circuit cross-connect (CCC) MPLS interface tunneling.
- Describe the difference between Layer 2 MPLS VPNs and VPLS.
- Explain the purpose of the PE device, the CE device, and the P device.
- Explain the provisioning of CE and PE routers.
- Describe the signaling process of VPLS.
- Describe the learning and forwarding process of VPLS.
- Describe the potential loops in a VPLS environment.
- Configure BGP and LDP VPLS.
- Troubleshoot VPLS.
- Describe the Junos OS support for carrier of carriers.
- Describe the Junos OS support for interprovider VPNs