[ns] Can MPLS network change route dynamically?

[Dan Wang <nsloam@yahoo.com>]

Hello everyone:

I have a question related to MPLS network.

If I make-explicit-route in MPLS network and then
flow-erlsp-install it, the packets will immediately
change to the new route. 
What I want is that I assgin a second route to a node
and the node will change to this route dynamically,
such as when there is a link failure in the original 
route.

Can I do this?

Thanks a lot.
Dan.

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