Modem Stops Working Between Plugging It Into Different Devices?
Feb 22, 2012
I have a Comcast Motorola Surfboard rental modem. It works fine, great speeds etc etc. It has no router or bridge support.
I use this modem to connect to the web on my ps3 and PC. What I have been doing is simply unplugging the ethernet cord from one device, and putting it in the other device to switch. But of course things can't be simple...
Every time I switch devices, the modem tries to reconnect and does a cycle where every time it only reaches the "Send" light. So I have to power cycle my modem and wait about a half hour before my connection resumes...
I read something about PPPoE, but Comcast doesn't even use it so that won't work.
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Sep 4, 2011
Basically, my internet's been fine until about a week ago. I'm currently using the Aztech DSL1000EW router/modem which has been working great up to now. My problem is this: after about 5-30 minutes (time fluctuates, annoying because after 15 minutes of continuous usage you think the problem's solved!) all webpages suddenly become 'unavailable'. I've disabled proxies under LAN settings, tried flushing DNS, resetting winsock with the netsh commands but to no avail. To get the internet to work again, I can just go to my router page, click disconnect and reconnect and it'll work for another 5-30 minutes.
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Aug 17, 2012
I am trying to figure out whats wrong with my parents apple airport router. Its connected into an Arris TM402P/110 cable modem. It randomly stops working, the network is there and shows up fine but you cant connect to it. It might work for a day or 2 and then just stops. I am trying to figure out if there is a configuration issue or the airport hardware is just failing. I am not sure where to start troubleshooting. The event log for the modem isnt much help, the following message shows up occasionally:
No Ranging Response received - T3 time-out
Whats interesting is my mom plugged her desktop right into the cable modem and then after plugging it back into the airport the wireless was working again. Is it possible there is a DHCP issue? If the hardware is failing what would be a good replacement for the airport?
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Apr 24, 2013
i have a 876 Router, connected to the Internet and a VPN. From inside i would like to pass all traffic destinied to 192.168.0.0 255.255.255.0 to the VirtualPPP IF and al the other to the Internet (vlan2) I have created this rule, but after applying ist works only for about 30 to 60 seconds. after that only the Internet reachable. Everytime i do a clear ip nat trans * both Interfaces will work für 30 to 60 secs again...
This is the relevant part of the cfg
ip nat inside source route-map Di1 interface Virtual-PPP1 overload
ip nat inside source route-map VLAN1 interface Vlan2 overload
!
access-list 1 remark CCP_ACL Category=2
[Code].....
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Mar 8, 2013
I have a Asus n55s. The wireless acts very funky. It sometimes disconnects and stops working. Sometimes, it will stop detecting any nearby wireless networks altogether. Then I have to enable and disable the wireless functionality until it starts seeing nearby wireless networks.
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Feb 5, 2013
I've been having this problem with my laptop's wifi for a while now and it's been getting a little out of hand lately that I can't deal with it anymore. I asked some friends and they seem to have the same problem too but not nearly as often as I do. Every so often, my laptop's wifi just stops working so I turn it off and then turn it back on and it starts working again. My friend says it happens very rarely to him but for me just today it happened 2 times within 10 minutes
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Oct 14, 2011
I'm having is that every few hours my TCP/IP protocol stops working. The modem lights remain normal but I can't connect to anything. The only thing that works on the internet is traceroutes at the command prompt which function normally. The solution is that I have to reboot and then everything returns to normal until a few hours later when it happens again. There are no error messages on any of my browsers. The page just goes white immediately. When I try to retrieve my email, I get a message about the TCP/IP isn't working.
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May 2, 2012
I've got the same problem on my wife's Acer One 532h. Did it get resolved for you, Adrian and if so, how?
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Mar 23, 2011
On Windows XP, my integrated NIC stops working after hosting a server. The server starts fine, ports are forwarded, firewall is down, modem is fine, but when I receive a connection, it shows they have made a connection, but then they drop, as do I. I can't browse or ping anywhere. I have to physically disconnect, then reconnect the ethernet cable to the port, or restart the computer. Upon ipconfig, the adapter is set with the Windows default ip (169.x.x.x) and cannot be /release'd or /renew'd.
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Mar 4, 2012
It's fairly hard to explain what happens but basically, say I'm playing some type of online game, all of a sudden anything server sided such as HP amounts, damage amounts, etc. just disappears but the animation runs fine such as attacking being hit, etc. All of a sudden it'll jump forwards and I'll take any damage and do any damage that had been happening until the issue started. This happens constantly and it's really frustrating but on top of that my internet will slow to a crawl..Say I'm trying to send a message on Skype, it won't send for the longest time and I won't be able to recieve any or even open a new webpage until the problem fixes itself.'ve looked around a bit and thought I fixed the issue, I'm on wifi and multiple devices are connected but not always in use, and the forum I found suggested an ip conflict and said to open up command prompt release the ip with ipconfig /release and then renew it with ipconfig /renew.
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Mar 22, 2012
Once every couple of days the wireless service seems to disappear. I've connected to the router from a wired computer and everything looks ok from the d-link panel, however its not showing up as an available wireless network on the wireless units. Pulling the power off for 30 seconds tends to get it working again. I'm configured bg and n. I need a mix... an old B laptop, have one machine that has a G NIC, and the rest are N.
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May 2, 2011
After buying a new WNDR370. Sporadically and seemingly without any cause my internet will stop working. Diagnostic will always report it as "DNS Server is not responding." I've also discovered that if I enter my router settings and even just switch the DNS settings from Auto to manual or vice versa the problem corrects itself instantly-then next time it happens I just need to do it again.
I've already tried resetting my entire network and rebuilding the recommended way. Modem, Router, then computers-connecting each only after the prior has finished initializing. Hasn't worked though.
Currently I have my main rig connected directly to the modem to try and find out if I experience the problem at all this way, this is a pain in the ass though, and I don't know when long enough is long enough as the issue is completely random and simply just may not happen.
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Mar 5, 2012
I have a cisco asa 5010 where, during the process of configuring, the outside ports become down/down. The /0 port won't even reactivate after cycling power on the unit.Port /1 is the inside interface and it is not affected by the problems.I switched the outside port to port /3 and it worked for awhile then it stopped working. I switched it to Port /2 and the same thing.Port /2 and Port /3 are on after a power recycle but shut down completely (down/down) during the reconfiguration. It seems like a hardware failure, but I'm wondering if it could be anything else.
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Feb 10, 2013
My computer runs bit torrent almost all the time, sometimes when I start Firefox the home page google never loads and neither do any other web pages yet bit torrent is still working as if nothing has changed. If I start a download in Firefox come back to the pc a few hours later Google doesn't load but the Firefox download still continues.What causes this is it DNS ?
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Jul 19, 2012
I recently setup a site to site vpn between a asa 5510 and router 1921. It was working great all night and this morning. When traffic stopped rolling through for a few hours the tunnel shutdown. I checked the router using cisco configuration and tells me the tunnel is up. When I check the asa it does not show up in the active tunnels. Any know what would cuase it to drop? and if so what can I do to avoid it.
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Mar 11, 2011
My internet (wired and wireless) usually works fine, but occasionally (read: every few days to weeks) the connection will suddenly black out for a period of time, anywhere from an hour to a day. I have tried resetting both my router and modem, and going through all the settings on my laptop, but I'm pretty sure it's not my computer, as no other devices can connect either. During the blackouts, when I look at the modem, the internet light will turn on for a second, then go off and then the red "alarm" light (aka "something is wrong" light) starts blinking like crazy, and this keeps repeating. This resolves itself after anywhere from a few hours to a whole day and everything is normal again. The light show, and the fact that I can't find any other problems, leads me to believe that it could be a problem with my provider (or the network itself) and not a hardware or software problem, but I can't be sure of this.Also, during the blackouts, I can connect to the network, but it shows that limited connectivity symbol (exclamation mark thing) and says no internet.
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Jul 17, 2011
I have a problem with a wireless adaptor on a Toshiba Tecra (A11-1EE - PTSE0E-065052EN) running Windows 7.The wireless adaptor works fine but every now and again it will just stop working. The operating system says that the adaptor is turned off but it isn't. I've checked the driver but it is up to date.I have to disable the driver and then enable it again and then the adaptor begins to work correctly again.
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Jun 17, 2012
Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft� Windows Vista� Home Premium, Service Pack 2, 32 bit
Processor: AMD Athlon(tm) Processor LE-1660, x64 Family 15 Model 127 Stepping 2
Processor Count: 1
RAM: 2045 Mb
Graphics Card: NVIDIA GeForce G210, 512 Mb
Hard Drives: C: Total - 292284 MB, Free - 43340 MB; D: Total - 12958 MB, Free - 1819 MB;
Motherboard: PEGATRON CORPORATION, NARRA5
Antivirus: AVG Internet Security 2012, Updated and Enabled
So here's my setup:Computer A is connected directly to a cable modem box via USB. Computer B (which is sometimes a laptop and sometimes a desktop) is connected to Computer A and shares its internet connection via Ethernet because I am too cheap to buy a router.A few days ago we borrowed a Belkin wireless router so we could have both desktops, the laptop, and my fiance's iPod Touch access the internet at the same time. That worked fine but once we returned the router and tried to put everything back to normal, it didn't work. The only computer able to access the internet is Computer A (or whichever one is directly connected).I tried resetting the modem and restarting both machines. I tried disabling all of the connections that showed up from using the router.Windows states that the IP isn't properly configured or something of that nature. I tried setting it to automatically set the IP but to no avail.Here is the part that really confuses me - I can access Computer B from Computer A via LAN using the ethernet cable, so the connection between the two computers is fine.
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Oct 11, 2012
Router randomly stops working and sometimes reconnects by it self and sometimes I have to manual reset the router. Also I only get 2-3 bars wireless. Is my router not configured properly or damaged?
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Nov 10, 2012
I have a windows vista pc networked to a second pc. I have wirelessly networked internet to 2 laptops. I have an actiontec wireless modem by verizon. All of a sudden my host pc started randomly losing internet connection, but the wireless laptops still have a signal. It seems like the host sometimes can't "see" the modem.Here are my settings while the internet is functioning.Microsoft Windows [Version 6.0.6001]Copyright (c) 2006 Microsoft Corporation. All rights reserved.[CODE]
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Mar 24, 2011
I have a TL-WR740N router, and the problem is that when I shut down my Desktop PC wherein the router is connected, the devices that are connected via Wi-fi can't connect to the internet anymore even though the router is still ON.
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Mar 10, 2012
I bought this router and ever since my internet connection will drop out for 5 minutes at a time then come back in. This happens on both wifi and the wired connection. The weird part about it is that if there is a program that maintains a constant connection, e.g. xbox live or an online MMO, they don't lose connection when every other device or even tabs within the same browser all lose connection.
BTW It's the REV_B with the 2.07 firmware.
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Feb 19, 2011
My D-Link DIR-655 will no longer let me pull up any web pages after several hours. For example, it works great when first rebooted, but the next morning web pages have timed out. When it is broken, I'm unable to connect to web pages via another wireless access point that i've plugged into the D-Link. I'm unable to use any of the wireless PCs or devices in my house.After it's rebooted, it works well for at least a few hours. It has the latest firmware and has basic, out of the box settings.
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Nov 11, 2012
There were 6 computers on the 2.4GHz band, and 2 on the 5GHz.Everytime the people on the 2.4GHz band would get disconnected for no reason, but this router should be able to handle that number easily. After lots of fiddling, like telling people to shut down their phones WiFi, I finally found the culprit:
N and G mixed mode
Even with only Wireless-N devices there would be problems. N-only mode worked well.That is unpractical for me as there are some devices here that are still on Wireless-G, like game consoles and some phones.
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Jun 8, 2011
i've an Cisco ASA 5510 with Security Appliance Software Version 8.0(2), in this ASA i've many L2L tunnels to this ASA, anda sometims new tunnels can't connect, the older tunnels still ok and working, yesterday this situation occured again and i've tried to clear all ipsec tunnels and try to reconnect again no one cames up again. At the time of this situation memory usage was about 78% and CPU is was around 5%. I've made a reload without changes and the situation returns to the normality.
At the time of the fail i've collect the outpu from debug crypto isakmp 255, the outpu was in the annexed file.
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Feb 5, 2013
I find are steps to turn on SSH access. I have quite a few customers with ASA5510's installed. SSH is set up and working fine on every one. After a period of time, you are no longer able to SSH into the firewall. Using Putty, it just sits there on a blank screen without giving a "denied access" message or a login prompt. Rebooting the firewall will solve the issue and SSH access works again. Today, I had a customer with and active/standby configuration where I had to reboot both of them to be able to log in. Most of my customers are on 8.2.software as most don't want to reconfigure for the new NAT, etc.
I'm sure others have seen this before since it appears to be occuring on almost every ASA that I have access to. Is there any fix to eliminate this or is there something that can be run from the ASDM that will grant SSH access again without just doing a reboot?
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May 17, 2011
I have a problem with configuring brach router 891 (with IOS v15.0(1)M).I want to connect to HQ via EasyVPN connection (split-tunnel) and allow the local traffic to go directly to the Internet via NAT (PAT).When the VPN connection goes up, NAT stops working and NAT translations don't appear in show ip nat translations. When the VPN connection goes down, NAT begins to work again.
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Jul 29, 2011
As of two days ago my DIR-655 seems to have stopped loading webpages every 10-30minutes for periods of up to 5-15 minutes, as in they the reloading icon will constantly be circling and the webpage remains blank, no error or anything until it says failed to load on my web browser (tried multiple browsers such as Safari, Chrome, IE and Firefox). This problem occurs on every computer on my network, laptops (both Mac and PC) and desktops. When this problem occurs all lights on modem and router seem to be normal no signs of anything going down but I originally thought that this affected wired and wireless but I seem to have narrowed it to culprit being the wireless. When connected to the PC I can browse for an indefinite amount of time without the webpages failing to respond, however when I connected to WiFi through Airport on a Macbook Air my webpages start to begin failing to load around 5-10 minutes of browsing which affects all computers connected to the network (essentially all computers failing to respond to the internet during this outage).
Interestingly when this problem occurs, if I am connected to Skype or Aim it will stay connected and I can still chat with people but I will not be able to sign onto AIM if the problem occurs before I sign on and I try to sign on during the outage. If I am streaming a video from justin.tv or ustream it still continues to stream during this "outage".I have the revB of the DIR-655 and have tried resetting the modem, turning off the firewall, upgrading firmware to 2.03NA from 2.01NA and setting the MTU to 1400 (default 1500) with nothing working. I am using Time Warner Wideband ISP and have connected the modem directly to my PC and for the 30minutes or so that I tested the web browsing it seemed fine and did not have any errors.
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Jan 29, 2013
I can no longer browse through any browser, or update any programs (even though I am still connected to my wireless router). I have already done a Refresh, but the problem persists
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Apr 22, 2012
On the basement level, and on level 2, I have in wall junction boxes where the Cat5E Ethernet wires come together. There are 6 lines that go from the level 2 box to 6 wall jacks on levels 2 and 3. There are also 6 lines that go from the basement box to 6 wall jacks in the basement and on level 1. There is also a Cat5E line running between the two boxes.I have wired all these plugs on both ends with T568B standard, and in each box they go into a patch panel. I have used a cable tester to test and make sure all these plugs are properly wired. I have also tested individual computers hardwired linked through to my router (without going through switches) and confirmed that they work that way, so I'm pretty sure I've wired it correctly.
At the second floor box, I have an AT&T 2Wire wifi router and modem, with AT&T Uverse service. I also have a monoprice Ethernet switch. In the basement box, I have another monoprice Ethernet switch (link to the type of switches I have is below). The switches are connected together via the Cat5E that runs between the boxes, and the second floor switch is connected to a free port on the back of the AT&T 2Wire Uverse wifi router.These wall plugs are not all currently used. In fact the problem I describe below occurs even if nothing is plugged into the wall plates.My problem is: when I hook up everything, so my wifi router is wired to the first switch, which is in turn wired to the 6 wall plugs upstairs as well as to the switch in the basement, and that basement switch is in turn wired to the 6 wall plates downstairs... at that point when I plug it in, my wifi stops working. Basically, whenever my router is plugged into this hard wired network, the wifi stops working. When I unplug the network, the wifi comes back (I usually reset it, not certain if it would come back just from waiting).
Interestingly, it doesn't necessarily stop working if most or all of the plugs are removed so the network is not connected (for example, if I just go through one plug instead of all of them)Does a network of wired Ethernet, even if not plugged into anything, cause some sort of a load or drain on the router that could make it stop working?
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Mar 14, 2012
I have the same problems with the Cisco EPC3925?Everytime a wired pc reboots/boots everyone on the network losses internet, also wireless is disconnected. Also everyone get unidentified network and later its set to public network.We are using a Sitecom switch LN-120. I have to unplug this switch, then restart the router to fix the problem each time. Then I can plug it in again and everything is fine.The router will not restart (does not go further then 2nd blinking LED.) if I do not unplug the switch.
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Oct 16, 2011
Wireless internet connection stops working after anywhere from 10 minutes to two hours, a message pops up telling me it is "impossible to connect to my preferred wireless network", and then it fails to detect any wireless connections at all. The strangest thing is that when I try to "repair" the connection, which used to work, the computer immediately shuts down and restarts itself. It also seems like when I attempt to download something, like a movie for example, the connection fails right away, while if I'm just surfing the web it usually lasts around an hour before stopping. And when I restart the computer again it works perfectly fine at first, like right now, but eventually does the same thing.
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Nov 12, 2012
I boot up my computer. I close it over. come back later. open it. Computer will connect but with the small yellow triangle. Thing is though, it's only my computer that ever has issues with my internet connection. My sisters laptop has never had an issue with out internet. Yet my laptop is able to connect to the neighbors internet fine. The solution to my problem almost all of the time is to simply reboot my computer, which solves the problem(most of the time). But i'm getting so sick of having to do it. The other times when a reboot doesn't work I have to manually reset the internet. As i'm typing this I'm on my neighbors internet. my sister is connected fine to our internet but my laptop simply won't work with it so i'll have to reset it when i'm finished this Some useful information might be that this problem only started happening ever since my computer got wiped.I've tried updating the drivers but apparently they're up to date.
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