Route Pinning Doubt

["manoj juneja" <manojkumarjuneja@hotmail.com>]

Hi All,
        Is anybody using Route Pinning in the MPLS network ? If yes, what 
are the benefits of using route pinning ?
Is route pinning applicable once the CR-LSP gets established ?

Following is my understanding regarding Route pinning :

Please correct me if I am wrong.

Once the LSP gets established and then afterwards if better nexthop
becomes available and route pinning is requested along the path, u don't 
change the CR-LSP path (only the loosely routed portion of LSP).

Is the nexthop change procedure same for both LSP and CR-LSP ?

Is there any option in LDP that once a LSP gets established and subsequent 
better next-hop changes should be rejected (like route pinning in LDP 
inaddition to CR-LDP)?

Thanks,
manoj.


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