Contents
MPLS Fundamentals
IP routing limitations. MPLS concepts. MPLS TE benefits. MPLS functional architecture. MPLS label structure. LSR types and functions.
Basics of Virtual Private Networks (VPNs)
Functions and operation of Layer 2 and 3 VPNs. Traffic types in each network type. Scalability, deployment, provisioning, and costs associated with these networks. Maintenance and management issues that impact these networks.
Layer 2 VPNs
End-to-end L2 VPNs in a provider network. Customer traffic flow queuing and management. Virtual Leased Line (VLL) and Virtual Private LAN Segment (VPLS) packet forwarding over MPLS. VLL packet encoding. QoS services in a VLL network. MPLS VLL configuration. and information displays. Troubleshooting VLL.
Layer 2 VRF Import and Export Features.
Advanced VRF features and their usage. Configuring selective VRF imports/exports. Limiting routes in a VRF table. Limiting prefixes received from BGP neighbors. Limiting VRF routes in the provider core.
MPLS Label Distribution
IP routing and MPLS. Label Switch Paths. LDP details and events. Label allocation in MPLS. Label distribution in MPLS. MPLS forwarding table construction and population. Packet forwarding across MPLS. MPLS loop detection. Penultimate Hop Popping.
Advanced Routing in the Provider Core.
OSPF within Provider MPLS core. Advanced OSPF (Constraint-based SPF) configuration and operation. BGP as a PE-CE routing protocol. MBGP distributing MPLS VPN labels with VPN routes between PE routers.
MPLS VPN mechanisms
VRF tables in MPLS VPNs. Routing protocols in MPLS VPNs. VRF-aware routing protocols. VRFs in an MPLS VPN. Inbounde/Outbound interaction between PE-CE routing protocols, backbone MBGP, VRF tables.
MPLS Traffic Engineering
TE basic concepts. Concerns and justification for implementing TE. Congestion avoidance and reduction using TE. TE using the Layer-2 and 3 overlay models. RSVP for TE controls.
Quality of Service (QoS) in MPLS
IP QoS. QoS using MPLS devices, including VPNs. End-to-end QoS provisioning in a Provider network using the MPLS Exp. bits. IP Precedence mapping for three, four, and five class Provider Traffic Profiles. Customer traffic flows queuing and management by QoS
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