Frequent comcast outages: modem or cable?|
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Posted by Burninator on March 2, 2009, 9:27 pm
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constantly, 5-15 times a day (that I notice). The oddity is that when the outage occurs, the Toshiba modem lights are all normal (power/cable/pc solid; data flashing). The outages seldom last longer than a a couple minutes (long enough to throw me off VPN). When the outage occurs, I can still talk to other computers on my home network, leading me to assume, perhaps wrongly, that the linksys router is OK. I called comcast to schedule service and got the usual line about how i would be charged if the problem was in my equipment. How do I tell? The modem is several years old but its indicators are telling me that data is being passed. Any thoughts? Oh, and unplugging the router and waiting and restoring power usually restores service. This could be incidental since the outages are short. Thanks | ||||||||||||||||
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Posted by Burninator on March 2, 2009, 9:50 pm
Please log in for more thread options >Oh, and unplugging the router and waiting
Clarification: I meant: "unplugging the modem and waiting"
I never have to unplug the router. | ||||||||||||||||
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Posted by $Bill on March 2, 2009, 10:09 pm
Please log in for more thread options Burninator wrote:
> For the last couple of weeks I've been having comcast outages
> constantly, 5-15 times a day (that I notice). The oddity is that > when the outage occurs, the Toshiba modem lights are all normal > (power/cable/pc solid; data flashing). The outages seldom last longer > than a a couple minutes (long enough to throw me off VPN). > When the outage occurs, I can still talk to other computers on my home > network, leading me to assume, perhaps wrongly, that the linksys > router is OK. > I called comcast to schedule service and got the usual line about how > i would be charged if the problem was in my equipment. How do I tell? > The modem is several years old but its indicators are telling me that > data is being passed. Any thoughts? > Oh, and unplugging the router and waiting and restoring power usually > restores service. This could be incidental since the outages are > short. Thanks Have they accessed your modem remotely and tried to diagnose any problems ? What model is the modem ? Does the Toshiba have a status page you can access ? If so, try to get all the info you can from there and post it when normal and when failing - esp the Tx/Rx power and SNR. Comcast could be disabling access to the page if there is one. Try 192.168.100.1 for access to the page. If nothing stands out, the obvious next step would be to run without the router and see if a single computer connected to the modem has the same issues. If so, you have a modem, cabling or Comcast network issue and will need to figure out which. If Comcast won't cop to a network problem, you could save money by taking the modem in for a swap (I assume they will do that for free if you're renting it or it's included in fees). You could also try bypassing as much of your cabling as possible and connect out near the point of ingress checking your connectors for wear/damage/looseness in the process and making sure they're all clean and tight. What kind of cable do you have ? And who did the install ? | ||||||||||||||||
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Posted by Burninator on March 2, 2009, 10:40 pm
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>Burninator wrote:
>> For the last couple of weeks I've been having comcast outages
>> constantly, 5-15 times a day (that I notice). The oddity is that >> when the outage occurs, the Toshiba modem lights are all normal >> (power/cable/pc solid; data flashing). The outages seldom last longer >> than a a couple minutes (long enough to throw me off VPN). >> When the outage occurs, I can still talk to other computers on my home >> network, leading me to assume, perhaps wrongly, that the linksys >> router is OK. >> I called comcast to schedule service and got the usual line about how >> i would be charged if the problem was in my equipment. How do I tell? >> The modem is several years old but its indicators are telling me that >> data is being passed. Any thoughts? >> Oh, and unplugging the router and waiting and restoring power usually >> restores service. This could be incidental since the outages are >> short. Thanks >
>Have they accessed your modem remotely and tried to diagnose any >problems ? > >What model is the modem ? > >Does the Toshiba have a status page you can access ? If so, try to >get all the info you can from there and post it when normal and when >failing - esp the Tx/Rx power and SNR. Comcast could be disabling >access to the page if there is one. Try 192.168.100.1 for access >to the page. > >If nothing stands out, the obvious next step would be to run without >the router and see if a single computer connected to the modem has >the same issues. If so, you have a modem, cabling or Comcast network >issue and will need to figure out which. If Comcast won't cop to a >network problem, you could save money by taking the modem in for a >swap (I assume they will do that for free if you're renting it or >it's included in fees). You could also try bypassing as much of >your cabling as possible and connect out near the point of ingress >checking your connectors for wear/damage/looseness in the process >and making sure they're all clean and tight. What kind of cable >do you have ? And who did the install ? > It is a Toshiba PCX1100U. It doesn't have a status page you can access. Comcast remotely cycled the modem today but phone support couldn't do more than that and that didn't solve problem. 192.168.100.1 doesn't get response. Cursory search indicates that you can't get to diag on this modem. I own the modem and installed it myself. It is at least 5 years old and could very easily be going bad. I was hoping someone might recognize the oddity of lights on modem indicating normal status while no data is getting through. I did the cabling and the coax is less than a year old. Thanks for your response. | ||||||||||||||||
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Posted by 1PW on March 2, 2009, 10:59 pm
Please log in for more thread options On 03/02/2009 07:40 PM, Burninator sent:
> wrote:
> >> Burninator wrote:
>>> For the last couple of weeks I've been having comcast outages
>>> constantly, 5-15 times a day (that I notice). The oddity is that >>> when the outage occurs, the Toshiba modem lights are all normal >>> (power/cable/pc solid; data flashing). The outages seldom last longer >>> than a a couple minutes (long enough to throw me off VPN). >>> When the outage occurs, I can still talk to other computers on my home >>> network, leading me to assume, perhaps wrongly, that the linksys >>> router is OK. >>> I called comcast to schedule service and got the usual line about how >>> i would be charged if the problem was in my equipment. How do I tell? >>> The modem is several years old but its indicators are telling me that >>> data is being passed. Any thoughts? >>> Oh, and unplugging the router and waiting and restoring power usually >>> restores service. This could be incidental since the outages are >>> short. Thanks >> Have they accessed your modem remotely and tried to diagnose any
>> problems ? >> >> What model is the modem ? >> >> Does the Toshiba have a status page you can access ? If so, try to >> get all the info you can from there and post it when normal and when >> failing - esp the Tx/Rx power and SNR. Comcast could be disabling >> access to the page if there is one. Try 192.168.100.1 for access >> to the page. >> >> If nothing stands out, the obvious next step would be to run without >> the router and see if a single computer connected to the modem has >> the same issues. If so, you have a modem, cabling or Comcast network >> issue and will need to figure out which. If Comcast won't cop to a >> network problem, you could save money by taking the modem in for a >> swap (I assume they will do that for free if you're renting it or >> it's included in fees). You could also try bypassing as much of >> your cabling as possible and connect out near the point of ingress >> checking your connectors for wear/damage/looseness in the process >> and making sure they're all clean and tight. What kind of cable >> do you have ? And who did the install ? >> >
> > It is a Toshiba PCX1100U. It doesn't have a status page you can > access. Comcast remotely cycled the modem today but phone support > couldn't do more than that and that didn't solve problem. > 192.168.100.1 doesn't get response. Cursory search indicates that > you can't get to diag on this modem. > I own the modem and installed it myself. It is at least 5 years old > and could very easily be going bad. I was hoping someone might > recognize the oddity of lights on modem indicating normal status while > no data is getting through. I did the cabling and the coax is less > than a year old. Thanks for your response. What $Bill said: What's the make & model of the modem? Has an additional signal splitter been installed anywhere on the premises? Can you go to *EVERY* cable connector and completely unscrew the connector? Then, re-install and tighten, with a 3/8" open-end wrench, *slightly* tighter than finger tight. Pete -- 1PW @?6A62?FEH9:DE=6o2@=]4@> [r4o7t]
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