VRF based path selection

In this post I will be showing you how its possible to use different paths between your PE routers on a per VRF basis.

This is very useful if you have customers you want to “steer” away from your normal traffic flow between PE routers.

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BGP  MPLS  MPLS TE  VRF 

MPLS VPN Per VRF Label feature

In this post i would like to explain the usage of the “MPLS VPN Per VRF Label” feature.

By default, in each VRF, prefixes are assigned a VPN label, used to identify the route within the VRF itself.

This label is the only label that is being looked at by the receiving PE router.

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MPLS  VRF 

Service Provider emulation of a frame-relay network using MPLS.

One of the cool things about MPLS is its versatility.

In this post i will show how its possible for a service provider to support legacy frame-relay installations without actually having any frame-relay switches.

I will establish an MPLS core and show how a customer with three sites, one hub site and two spoke sites, will never even know that the core is running MPLS and not end-to-end frame-relay.

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