[c-nsp] speed and duplex change of remote router

[Michael Sprouffske]

Is there a safe way to change the speed and duplex of a remote routers WAN connection without taking down the link while making the changes?  I know if you change the speed and its wrong you will lose connectivity.  I have a link that is setup auto, but my isp has their end setup 10 full.  I would prefer not to drive all the way to this place to change the speed to 10 full on the wan interface.