C7000v2 WAY slower than Xfinity modem

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Sashen wrote:

I found an OLD computer with an ethernet port. The speed is stupidly slow... but 2x faster with the Xfinity modem. OLD devices aren't always good. Some old devices can't max out gigabit speeds. But they at least give you a hardwired baseline. 

 

I have no specs on the Xfinity modem so I can't tell which Docsis version it's using.----a model number lets us look it up. Tends to be on the label.  

 

I would think that having 260Mb wireless speed with the NG and over 700Mb with the Xfinity, when both modems are 3' away from the computer would be a useful diagnostic.------its not. many things influence wireless from interference on a channel, to the environment, to hardware issues. Also, if the modem is only pulling 260mbps because it was partitioned wrong, has a sketchy signal only allowing 260mbps, then that's the bottleneck. We don't know currently and you haven't given us reliable data to work with. Wireless is an indicator but not that useful for diagnostics without more data. 

compare it to a car. Telling a mechanic my car will drive 120mph but my other vehicle that's rated to 120 will only go 65mph and then going "why isn't it as fast"? The mechanic can't tell you without more specifics. its an indicator of an issue but its not the full story and they can't tell you for sure what the issue is without those details.  

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