[NTLUG:Discuss] What is the problem? router or cable?

[Stephen Davidson]

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m m wrote:
> All,
> I have TimeWannerCable internet.
> Recently (well, couple months) my internet connection will lost connection  from seconds to minutes.
> It happens day and night at any time, no predictable.
> I check with the cable modem, it looks as it should be. 
> I use the Balkin N router, All the indicate lights (include the modem light) are blue,
> except internet light which turned to yellow and blinking.
> yesterday I replaced a brand new Linksys router, it is even worse.
> The indicate light for internet connection is blanking and is never able to get the internet connection. 
> I have check the IP and it got external IP.
> check modem again and it works fine. 
>  
> Anyone has an idea why? 
>  
> p.s. The distance between cable modem and router is about 50 feet. doest it matter?
>    
> Thanks.

Greetings.

If possible, check for packet flooding or packet storms on the internet
side of the connection.  TWC has been known to misconfigure their
backends, or have undetected failures (or both).  Wireshark is
apparently a good tool for checking this. (I was reading a ZDnet article
the other day about this issue -- the journalist used Wireshark to
figure out a packet flood was taking place, then starting blogging about
it, got the TWC VP himself to send a crew out and fix).  Since one is
not a journalist, other than a support call, either requesting a refund
for the month, or threatening to drop service and go with a competitor
would probably be the best options.

Good luck.

Regards,
Steve

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