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troubleshooting Question

massive decrease in network performance

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scott2000666 asked on
NetworkingNetworking Hardware-OtherCisco
2 Comments1 Solution285 ViewsLast Modified:
We just changed providers at my company...we had a 3mn circuit shared between oice & data. Now we have a 4.5mb circuit (3 T1s) with Airespring. Installed last Tuesday, we were seeing nice performance increases...speakeasy.net was testing well. Now, as of yesterday, my upload speed in particular has dropped off considerably for no apparent reason. The underlying carrier is XO, and they did some intrusive testing last night and everything came up clean on their end. So, they are saying it's something on my end, though nothing has changed that I am aware of. I'm seeing upload speeds between 500-1000kbps while download remains around 3300kbps. I've restarted my Pix 515e with no effect. Where should I begin looking to diagnose this issue?
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