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Basic MPLS VPN Configuration

The network topology  is  a very simple MPLS VPN configuration for two customers using overlapping address space and each customer has 2 sites connecting to the Provider network. R1,R2 and R3 are the provider routers, R1 being the P-Router and R2,R3 PE-Routers. Customer-1 is using BGP to connect...
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MPLS VPN Overview

The MPLS VPN backbone and the customer sites exchange layer-3 customer routing information and packets are forwarded between multiple customer sites through the MPLS enabled backbone using the MPLS VPN services. Components of MPLS VPN 1. Customer networks: under customer’s administrative domain 2. Provider network: Under Provider’s admin...
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Basic Frame Mode MPLS Configuration

STEPS: 1. Enable CEF 2. Configure IGP Routing Protocol 3. Configure Label Distribution Protocol (LDP or TDP) 4. Assign LDP Router ID 5. Configure MPLS label Forwarding on the interface Example MPLS Configurations Node LDP Configuration MPLS Forwarding on Interface Router R1 IP CEF Enabled Provider MPLS R1(config)#mpls...
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MPLS Overview

MPLS Label Switching. MPLS forwards packets based on the MPLS labels, instead of using the packet’s destination IP address. Advantage of using labels and not the destination IP address is that packet forwarding decision can be made on the other factors such as traffic engineering and QoS requirements....
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