Internet Access Keeps Dropping At Random Times
Feb 17, 2011
I have a brand new Dell laptop running windows 7 connected to a sky router wirelessly. My internet connection randomly just drops. At 1st I could just click on the yellow triangle and troubleshoot and it would reset the network adapter. I cannot do that now - Im having to disable the adapter and the enable it and Im back on the internet.I have set it up so I am connecting via a manual IP address as I wondered if when the kids PS3 was connecting it was pinching my Ip address.
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Feb 8, 2012
Had an E4200 for a couple of months now and have not been able to resolve an issue with the router dropping an Apple iPad 2 at random times.The E4200 is replacing a Cisco Aironet 1200, which never dropped any clients, iPad 2 or others, and never displayed any of the issues below.
TECH DETAILS:The E4200 is being used purely as an access point. All extras are not in use and are disabled.
Firmware 1.0.03
Hardware version 1.
BASIC ISSUE:The E4200 drops an Apple iPad 2 off the 2.4 Ghz Mixed (B, G, N) network. The user must then select the network to rejoin. Rejoining occurs without incident. The same issue occurs when the network is restricted to B, G. The drops occur at what appears to be random intervals - sometimes 10 minutes apart, sometimes hours apart. We can have as many as 6 drops in an hour. A ping to the apple ipad shows the device stops responding to pings about 10 seconds before the user is prompted to rejoin a network. Meanwhile, a ping to the E4200 itself from a laptop connected via the E4200 on the same radio as the ipad continues to work without fail during this incident.
1. The iPad 2's cannot connect to the 5Ghz radio. I believe iPad 2's are supposed to support 5Ghz.
2. Both our Apple TVs do not connect to the 5Ghz radio: they fail with a "There was an error connecting to the network. Check your settings and try again. (-3914)" error. Apple TV supports 5Ghz.
3. The admin interface for the E4200 is very slow sometimes. Probably over 20 seconds to render some pages when it gets really bad. As a comparison, Internet-based pages on fast sites that delivered via the E4200 itself load in less than 2 seconds.
4. The HTTPS version of the admin interface can only be connected to via Safari browers. Both Internet Explorer 9 and Chrome 16 fail to connect with a "Connection reset" error. In Chome, it says "Error 101 (net::ERR_CONNECTION_RESET): The connection was reset." This is across multiple devices. There is no issue with straight HTTP.
All other devices - including Macs and PCs - connect fine with the E4200 on both 5Ghz and 2.4 Ghz radios, even if they cannot access its admin interface via HTTPS.I've presented quite a few issues above, but the main one is the drop outs for the iPad 2 devices. I'd present logs on drops, but the thing doesn't record any useful logs.
Basic wireless config:
5Ghz:
Network Mode: Wireless-N Only
Channel width: Auto (20 or 40 Mhz)
Channel: Auto (DFS)
SSID Broadcast: Enabled
[URL]
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Nov 7, 2011
We have a bunch of computers(70 aprox) connected to a domain. Since couple weeks ago very strange issues started occuring, internet and network access(path to network share is lost) would come up at random times and on different machines and would last for about 10-20 seconds it would re-connect again.All the computers are using private addresses.Most machines are windows 7, some are xp.Using Windows server 2003 as dc.Since the occurance is so random it's very hard to pin point the cause.
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Dec 29, 2012
Network running about 60 computers, most of which are running windows 7 professional. Some are on a domain, some are not.At (seemingly) random times, some computer on the network will lose the ability to browse websites (including the web interfaces of networked devices). I can't identify what circumstances cause this to occur. I only find out about it when someone calls me.From the affected computer:I can ping sites I can ping our Cyberoam UTM (which acts as our DNS, DHCP, and firewall)disabling/enabling connection doesn't fix the problem releasing/renewing ip doesn't fix the problem flushing dns doesnt fix the problem uninstalled antivirus on two test machines, problem still randomly manifests.replaced the Cyberoam with newer model users have claimed that if they wait a long period of time (40+ minutes) the problem sometimes resolves.rebooting the computer resolves the issue until it randomly occurs again changing the computer's mac address also resolves the issue until it randomly occurs again.
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Oct 26, 2012
I have fiber optic Internet with static ip and keeps disconnecting at very random times. It started 3 weeks ago, before it worked perfect. Most of times dcing 3 times per hour. But sometimes working for hours without dcs. Usually disconnects only for half minutes then reconnect, it can be very annoying. The provider keep saying that need change router. I'm tried three different of routers already, but keeps disconnecting. I'm tried connect the net directly into my cpu, without router, but not worked, dc-ing too. I tried ping the default gateway when its disconnected, and its saying: request timed out.What else can i try? It should be, that the provider has too many clients, and their router collapsing?
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Jan 29, 2013
I've been having some problems with my new custom built computer connected wirelessly to my Router. My router is an SMCD3GN. So it is a Router/Modem in one. I am currently using the Linksys AE3000 Wireless-N USB Adapter. I have had a past Wireless USB Adapter, & an internal Wireless network card. The USB quit working & in order for me to get it to work is I have to reinstall the drivers everytime I turn my computer back on. The internal wireless network card would randomly lose internet every 30mins - an hour. Being a gamer, this is very frustrating. So, right now I am using the Linksys USB, and I was just playing a game & talking to some friends on skype & I would lose internet for 2 seconds then it would automatically reconnect. So I am beginning to think that it might be my Router but I tried my USB on my laptop for like 10 mins (I disabled the internal wireless network adapter) & I went into cmd.exe and pinged google for about 10 mins, & it said "Request Timed Out." several times.
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Apr 30, 2011
isp is Comcast. They have had 2 techs come out here to look at problem and found nothing. I'm on a wireless connection with router in the next room. Modem was replaced a week ago and still problem persists. Landlady says she has no problem (shes the one in the next room and is connected directly) but I think that because she doesn't notice (I play online games so its very noticeable). I have excellent signal from router. This is my report:
Windows IP Configuration
Host Name . . . . . . . . . . . . : *****
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
[code]....
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Oct 14, 2011
I check all of the settings and changed the channel to see if it works. For some reason it disconnects my wireless internet at random times and i know before it never use to do that before with a older router. There is nothing blocking it, it worked before, and my computers can connect except two. The only thing i can guess is my wireless card.
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Oct 22, 2012
We currently have around 150 2975 switches and have had problems with it them not handing out PoE power to the cisco phones and access points at random times. There is plenty of power left for the switch to use. We have at least 15 that will be running fine for about a week and then all of the devices that use PoE power will shut off and will not come back on until we reload the switch. If you console in there aren't any messages that pop up and if you look at the port it just shows on connected or will show IeeePD in the power inline. We have contacted Cisco TAC and they just RMA them.
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Jan 3, 2013
My internet connection is being dropped multple times a day. I have to run the troubleshooter each time and the connection is restored. How do I figure out if this is some setting in my wireless adapter or if it is the wireless adapter itself?
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Jan 15, 2012
We are having an issue on our domain where both internet and network connection drops at random, this lasts from about 30 secs up to a minute.The Domain server is running Server 2003 and we have afew XP and a few windows 7 machines.All of this is behind a SonicWall TZ-200 firewall.[code]
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Jul 22, 2012
The router is being good so far. I have a Belkin Wireless G Plus MIMO router with windows XP operating system. This has been going on for a couple of weeks now and I really want it to stop because it is stopping me from doing things that require the internet.
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May 9, 2012
We recently moved and upgraded our internet service from 1.5 Mbps to 4Mbps with CenturyLink. However, since our service was activated last Thursday, the internet connection intermittently drops and will not recover unless I reboot the modem. The period of up-time will last anywhere between fifteen seconds to several hours, usually falling along the five-to-ten minute range. No difference when using ethernet/wifi. The DSL light stays on, and the Internet light remains on as well.
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Nov 25, 2012
I keep getting random moderate Nat sometimes, other times its opened. I have made a static Ip and port forwarded 4 ports that xbox uses. 88 udp..3074 both...53 both...80 tcp... Now when i test my connection on the xbox dashboard a message will come up saying make sure my UpNp is enabled, which it is and it tells me to make sure port 3074 is enabled which it is. I have restarted both my modem and router multiple times to try and fix this.
I have a linksys cisco e4200 and I recently updated its firmware which i thought would possibly fix the problem.I have talked to linksys but no luck.I have talked to my internet Cox Communication but they tell me its the router and i believe it is because when i directly connect my xbox to the modem i never get the moderate Nat. I have also talked to Norton about my virus protection because I thought maybe it was blocking some ports, but they disabled it and I still get the message.
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Mar 24, 2013
We have about 15-20 APs out in the field, and at random they seem to disassociate from the WLCs and re-associate within a few minutes. We have not looked into that entirely yet, but we are having an issue with a few. Sometimes, they will disassociate and after a few hours reassociate.
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Jun 20, 2012
Since about 3 weeks ago my DSL has been getting totally random ping spikes, from under 40 to over 1500MS for minutes to hours on end. Nobody else is using my internet, I've verified this. There is nothing sucking up bandwidth on any connected device or computer, as far as I can tell through troubleshooting to the best of my ability. I tried switching to a Cisco X2000 modem/router combo and it did nothing, still totally random latency. Also, when I called AT&T about this, they didn't even know what ping was. They ran an upload/download speed test (which is still mostly consistent regardless of latency) and told me I was basically making the issue up.
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Dec 16, 2012
I have a 2911 router hanging/freezing at random times, could work fine for a week then crash, or sometimes, could only go a few hours, completely random with timing. The onyl fix is to manually pull the power and reinsert.When this happens, all services/access stop working, including nothing on console access.This was on 15.2.1.T1 which im aware, has a few bugs, so i upgraded to 15.2.1.T2.The issue continued, so I swapped out the 2911 with a brand new one. The issue is still present.
One interesting thing, is when the router crashes/freezes, all lights appear to remain on working as usual, but when i unplug any of the ethernet links, the lights still continue to remain flashing and on for the ethernet LEDs, even once i have fully removed the cat6 cable.
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Mar 12, 2011
i have an acer laptop an iphone and an xbox360 running on my connection not always all at once but my connection just randomly cuts out at any point whenever im on xbox live i get disconnected and i look at the router and its just resetting itself and i have to go and reboot it or just reset it and wait a wile before it will come back on. but even when it is on its not for long before it goes off on its own
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Nov 10, 2011
The wireless drops specifically from my laptop constantly at random times. When the wireless drops in order for me to be able to reconnect i have to restart the router itself. There are also random times where the Wi-Fi stops broadcasting altogether. I have a computer connected via Ethernet and it does not lose connection during these times. All the computers are running Windows 7 and the Router is up to date on firmware.
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Mar 29, 2012
I have an airlink ar525w wireless router. My wireless connection drops out every few hours and I have to reset my router to get it up again. My wired connections work perfectly. Also, I am able to see my network as available and with full signal strength from windows but connecting to it doesn't do anything (just says connecting forever). This is not isolated to one computer. I have tried it with laptops, desktops and smartphones. The strange thing is that it works perfectly (hasn't dropped a connection for one month) if I have wireless security disabled.I have tried different types of security (WEP, WPA, WPA2), different channels (all 11 channels), assigning static IP addresses to all my devices and turning off the DHCP server on my router. But none of these settings fix the problem. would be willing to buy another router, but I was reading through reviews on newegg and every router that I saw reviews for has a few people experiencing the same problem that I described here. Is this a widespread problem that I have to live with or does this have something to do with my router specifically?
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Sep 15, 2012
I have a mix of devices that all access the internet via a Deutches Telkom Speedport W 723v my windows devices, HTC phone and even the iPad 2 never have a problem, but my Macbook Pro (Unibody Late 2008 model) and my iMac (Probably 2007 / 2008) keep having a problem with the network dropping out. To fix it I have to switch off Airport and switch it back on again and it re-connects straight away.The Mac OSX software albeit now rather dated on both devices (The Macbook is 10.5.8) is kept up to date using Software Update.The problem amy also now be affecting my APPLE TV2 it never had a problem before but now I cannot connect to iTunes on my Macbook using Home Sharing it just does not want to connect!!!I did try before going into the Speedport and changing channels from AUTO to channel 1 but that did not resolve it. I am going to do it again and try a different channel but logging onto the Speedport is an absolute pain, I can only login using my Macbook Pro when it is booted into Windows XP and on Ethernet as we had all sorts of problems setting it up and could only do it using IE not SAFARI and now the Speedport login only recognises 1 x PC for logging in, if you try a different device it throws a wobbly and locks up!
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Apr 4, 2013
My DIR 651 randomly drops connection, is not set for IP fragments (error on PS3 even though I set MTU), and has a flashing green globe compared to my other DLink router which has a solid green globe (replaced with DIR 651). I have BHN Road Runner Turbo (Speeds of 30mb/2mb) and my modem (supplied by ISP) is a Motorola SB5100.
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Sep 20, 2012
I have an EA3500 that I installed recently to replace an old NetGear Router, everything works fine like a charm and suddenly is like the router goes down, both wired and wireless connections go down, no connection at all to the router, no internet, no nothing, the power stays on, but you can see the Leeds on the back blinking like when you do a reboot, then after a couple minutes everything comes back again, till the next drop...it happens several times a day, sometimes 3 to five times in an hour, some other times just happen 2 or 3 times a day... I have tried everything possible, changing the settings, factory defaults, firmware upgrade and roll back, MTU, different channels, even different power outlets to no avail.I wonder is I have a lemon, the worse part is I can't return to the store since the UPC code is gone (rebate) and links says they can't take it back as RMA.
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Apr 11, 2011
my E4200 is dropping connections several times a day. I'd be working on my laptop, go to a webpage and bang, no connection. A minute or so later it would reconnect. It even appears to be doing this with a computer that is hardwired to one of the ports. So it doesn't seem limited to just wireless. Happens to both N and g channels as well.
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Jan 27, 2012
My WRT400n has started dropping the wireless signal 4 to 5 times a day. Somet times it fixes itself but most of the time I have to re-boot the router to connect a wireless signal.I looked for a firmware upgrade but there hasn't been one since 2009.
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Nov 15, 2011
I have a WRT120N, and have set up connections like this:
Desktop PC: Hardwired Ethernet
Laptop: Wireless
Xbox 360 (1): Ethernet
Xbox360 (2): Wireless
Networked Printer: Wireless
The hardwired connections are fine, but at random the Printer, laptop and wireless Xbox connections will drop out and i'll have to reboot the router to get it working again. I've tried everything I know of (i.e., Static IP, Port Forwarding) as well as a factory reset, but I continue to have this issue.
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Oct 21, 2011
I have configured my e4200 to block traffic at certian times uses both the Parental Controls and the Intenet Access Polices. Neither one seems to work though. [code] I have the same MAC addresses specified in each rule. Initally I had only the first two rules. Those didn't work, so I added rule 3 and 4 (they do the same thing as rules 1 and 2 but from the opposite direction). There are no compliaints, but they don't stop any traffic.
I started with the Parental Controls, they didn't work either. The page in there that lets you pick which machines you want to block seemed next to worthless. I have about four rows listed as "Network Device." REALLY LAME! As the MAC addresses are accesible and these weren't working I went to the IAP.
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Mar 30, 2012
I've been having an issue recently which is causing my internet to disconnect for under 20 seconds 1-5 times a day. This can be troublesome when online gaming, as I am normally disconnected from the server.
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Mar 13, 2013
I have an ADSL 2+ connection that constantly seems to be dropping at random intervals for no particular reason that i can tell anywhere from 3 to 20 times a day for over 6 months.I have a Dlink DIR-300 router which connects hard 2 pcs and a wirless connection that host for 4 devices , the Router is connected to my Dlink DSL-502T Gen 2 ADSL 2+ Router.I'm constantly having to disconnect the power wait 5 minutes and reconnect the power to get everything back online. From what i can tell the main problem is the DIR-300 router, ive checked it has the latest firmware, reset the router from factory, tested it with less connections, called up my ISP and checked everything was good on there end but to no avail[CODE]
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Jun 23, 2011
we have 4408 controller purely for guest access and with local authentication..basically the guest access is free but needs an acc on the WLC on logon. when the user uses credentials to logon, after a while it gets disconencted and the user needs to reauthenticate. this happens every few mins. is there an option on the WLC to extend the session?
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Aug 12, 2012
Who is your Internet Service Provider (ISP)? India- AirtelWhat type of Broadband connection are you using? DSLWhat is the exact Make and Model of your Modem, Router or Modem/Router Please refer to this page with detailed specs: Brand New Beetel 450TC1 Wifi Wireless Modem Router DSL ADSL 2+ BSNL AIRTEL MTNL | eBayWhat is the Name of the Anti-Virus, Security or Firewall Software installed from the problematic computer -Microsoft Security Essential. i have tried uninstalling the antivirus software but no effect!The issue is when i click any link online it displays the following message. Then i go back and do this 3-4 times till its able to load the link.I have had this issue with other browsers. Mostly i use Google chrome. This issue is with wired and wireless connection both.PS: My router is transmitting 2 ssid's at the same time. I am unable to change it.
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Jun 25, 2011
My internet connections drop frequently am still able to go on the router website when the internet drops is the router timing me out or what i have a net gear ive tried disabling passphrases?
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May 16, 2011
It started rarely, now it happens alot! the only way to get internet back is if I unplug the power cord from my STUPID router.
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