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My office PC has a one wireless network card and there are three available wifi connections: primary, backup and backup of a backup (grin).

Is it possible for me to use all three simultaneously. If this results in an increase in bandwidth that's well and good, but primary reason is every now and then one of the network fails and i have to switch back and forth between the available networks by disconnecting, viewing available networks and connecting to next one hoping its running. Do i need more than one network card or a software e.g. a proxy.

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It's not necessary to ask the same question on more than one site - superuser.com/questions/141490/…. If the community thinks it will get a better response on the other site it will be migrated. – ChrisF May 15 '10 at 14:06
Are these adapters on the same ip subnet? – Greg Askew May 15 '10 at 14:24
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closed as off topic by Ignacio Vazquez-Abrams, ErikA, Ward, splattne♦ May 15 '10 at 17:07

Questions on Server Fault are expected to generally relate to servers, networking, or desktop infrastructure, within the scope defined in the faq.

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Im going to presume that you are running a Window$ box..

As far as I am aware it is not possible to "hop" between wireless networks like that. Especially not on those cheap and cheerful Realtek, Belkin cards.

The higher-end wifi cards do allow for an option to synchronously prepare to issue an authentication packet for another signal in the event that the first disconnects. It still takes a couple of seconds though. How quick to you want/need the transition to be?

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