[nsp] (no subject)

[MPLS Newbie]

Hi,

I have a newbie question.

In an hub-and-spoke situation with GRE tunnels..

can the hub use ip unnumbered lo0 for all its GRE tunnels that are connected 
to the spoke?

IOS in question is 12.2, and 12.3..

Thanks!!
RouterNewbie

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