Linksys Wireless Router :: E4200v1 Started Dropping Connection Terribly
Apr 12, 2012
So I bought this new E4200v1 about a week ago and since yesterday it started dropping connection terribly. After checking Cisco Connect it seemed to have a Firmware update which I did and after it was done I decided to do a factory reset since I read somewhere that it works. When the router came back on for a second I saw an unsecured SSID, but then it turned into an SSID called panelist-ssid with a password called google-4panel which is definitely not the default. Also, when I try to access the router webpage to configure it, the password is not the old one nor the default Username: blank Password: admin credentials. I am currently connected to it via the button on the back that allows me to connect without password. Another thing is that I uninstalled Cisco Connect and when I try to install at 25% it says it cannot find my router and ask for SSID + password which I input yet it fails.
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Jul 6, 2012
Recently, i bought a LinkSys WAG120N ANNEX-A to replace my old speedstrem4200. Well everything was fine, but after 2 days of it installed, it started to drop my ADSL connection.
Sometimes, it remain connected for 4-5 hours, then drop, or sometimes, it drop every 30min-1hour.I tried upgrading the firmware to 1.00.16, but no luck, it still drop the connection.I have 3 computer plugged to the router via cable(wired) plus 1 netbook(wireless) and 1 ipod (wireless).Sometimes, when 1 computer is turned off, it seem to make the ADSL connection drop when the LAN light turn off. I noticed everytime it drop the ADSL connection, in the logs, i get this:
Mon, 2010-11-08 22:24:57 - Terminating on signal 15. Mon, 2010-11-08 22:24:57 - Enter: tdb_store. Mon, 2010-11-08 22:24:57 - tdb_store: calling tdb_update. Mon, 2010-11-08 22:24:57 - Enter: tdb_update. Mon, 2010-11-08 22:24:57 - Enter: tdb_store. Mon, 2010-11-08 22:24:57 - tdb_store: calling tdb_update. Mon, 2010-11-08 22:24:57 - Enter: tdb_update. Mon, 2010-11-08 22:24:57 - Enter: tdb_store. Mon, 2010-11-08 22:24:57 - tdb_store: calling tdb_update. Mon, 2010-11-08 22:24:57 - Enter: tdb_update. Mon, 2010-11-08 22:24:57 - Couldn't increase MTU to 1500. Mon, 2010-11-08 22:24:57 - Couldn't increase MRU to 1500 Mon, 2010-11-08 22:24:57 - LCP down. Mon, 2010-11-08 22:24:58 - Modem hangup Mon, 2010-11-08 22:24:58 - Connection terminated. Mon, 2010-11-08 22:24:58 - Connect time 215.0 minutes. Mon, 2010-11-08 22:24:58 - Sent 50496235 bytes, received 212267122 bytes. Mon, 2010-11-08 22:24:58 - Enter: tdb_store. Mon, 2010-11-08 22:24:58 - tdb_store: calling tdb_update. Mon, 2010-11-08 22:24:58 - Enter: tdb_update. Mon, 2010-11-08 22:24:58 - Doing disconnect Mon, 2010-11-08 22:24:58 - Exit.
I tried changing the MTU settings in the router to 1492 (my ISP default) but didnt work.
Tried changing the MTU to 1492 on every computer and still got the same problem.For now im using the WAG120N in bridge mode, and still using my old speedstream4200 as ADSL modem.
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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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Sep 3, 2011
Upgraded to 1.0.04 from .03 and caused some problems. Worked great at first-upgrade was flawless-no problems there. THen it started dropping wireless connections. THen no wireless or wired connections. COuld not pull an IP address.Pulled power to router couple times and it worked great at first again then degraded like before.Held reset button for 5 secs to reset to factory defaults, now the setup display is missing all the html coding-no menu list. All in raw format.Am connected to port 1 via cat 5 to my laptop with no connections except the internet connection to the cable modem. Something has gone really wrong with my .04 software.Tried to find the .03 version, but the zip file is HUGE. Whats in it anyway?
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Aug 28, 2012
Just purchased the new E4200 v2 device, 1 day of testing on different modes give me that:Direct connection without router: urls....Changing Qos didn't work at all.Testing on Ver.2.0.37.131047. Cisco what's up with you?
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Jan 31, 2013
The Cisco E4200 is supposed to support something called DFS (Dynamic Frequency Selection). These are wifi channels that, due to radar operating on the same frequencies in certain areas of the US, the FCC requires devices using them to do what's called "radar avoidance" -- they're supposed to scan the channel periodically and, if a radar signal is detected on said channel, they have to vacate the channel for a specified period of time (typically around 30 minutes). Because of this, a DFS channel cannot be selected manually by the user -- it has to be selected automatically and vacated automatically in case radar is detected. So, I have my E4200 channel set to "Auto(DFS)"
The list of WLAN channels is here: [URL]
More background: each allowed 5 GHz channel is 20 MHz wide in the US. However 802.11n does what's called "channel bonding" -- it actually uses two channels side-by-side for increased throughput. E4200 owners will notice a channel width setting and one of the options is 40 MHz or Auto (20 MHz or 40 MHz) -- this is what uses two channels combined. I happen to have this option set to "Auto (20 MHz or 40 MHz)".
I discovered, through experimentation, that the router will ALWAYS select channel 149/153 as the operating channel if there are no other wireless APs in the area (channel 149 as primary and channel 153 as secondary). I always wanted to see the AP select a DFS channel, so I brought home a bunch of access points and started occupying spectrum. I put AP #1 on channel 149/153 and rebooted my E4200, at which point it picked channel 157/161. So I put AP #2 on channel 157/161 and rebooted the E4200, and it skipped channel 165 (note that there's not enough spectrum up there for 40 MHz, which is probably why it got skipped) and selected channel 36/40. I put AP #3 on channel 36/40 and rebooted the E4200 and to no surprise it picked channel 44/48. So I put AP #4 on channel 44/48 and it picked...channel 149/153?!?!
Just to be certain that there isn't a certain threshold required to force the AP to select a DFS channel, I moved all 4 APs RIGHT NEXT TO the E4200 such that their signal strengths exceeded -40 dBm, and then rebooted the E4200. It STILL picked channel 149/153!
Just what are the criteria required for the E4200 to select a DFS channel?!? DFS is advertised in the user menu, but I can't find any way to get the AP to select one of those channels. Does the AP *really* support them, or does it just say it does? If the E4200 does NOT really support DFS, then Cisco/Linksys should remove the term "DFS" from the user menu -- it is deceptive!!
Oh, I should mention that I'm in Santa Clara County -- Saratoga, CA. I checked the FCC database on radars and as far as I can tell, there are NO radars on DFS frequencies around here.
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Jul 12, 2012
I have an e4200 V1 with firmeare V 1.0.04 For my IPv4 configuration I use opendns.com for my DNS provider.When I enable IPv6, I get my ISPs DNS server rather than the one I have configured on the IPv4 page. It works, but it eliminates all filtering and statistics that I am able to do with opendns.com.Open DNS does provide two IPv6 DNS servers, but I don't seem to be able to find where to set them in my e4200. I want it set network wide.Can I set my IPv6 DNS provider anywhere in the e4200v1 with V 1.0.04?
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Apr 21, 2012
I got this replacement router and it is not even a week old and it is doing same thing the previous one was.
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Aug 22, 2012
I have a Wireless Router supplied by my ISP that give me both 1G Lan and N Band Wireless, so I just need to use my 4200V1 as a Storage Access Point. I have done all the Bridge Mode configurations, IP Address ad Subnet / Default Gateway, etc to the routher and can see it on my Local LAN, by it's Set name.
I can not http or Https to the Config menu in any way, so I can not establish if a Disk is connected or not. The Disk device is USB Connected to the E4200 port, but I can not acceeass any of the files that are on it.
DGW - 192.168.1.1
E4200 - 192.168.1.200
Bridge Mode
Wireless Disabled on both Bands
DHCP Disabled
Everything appears fine, but not able to bring up Advance Configuration interface .
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Oct 14, 2012
Found out if you make a ftp user called root you get access to your flash drive in via ftp it is normal or a bug ?
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Jan 28, 2013
I've been trying to re-purpose my E4200v1 as a Bridge, AP or some other thing that might work with wifi coverage in my home. I am using an Asus as the primary router. and I have Verizon Fios so I have a coax/ethernet router with its wireless switched off so that the Asus is primary. That works, but when I go to reset the E4200v1, I can get it to take a new IP address, but when I attempt to put it into bridge mode, as soon as I hit "save settings" I see the admin screen flash and it goes back to its origninal settings, instead of saving the new settings.
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Jan 4, 2013
im moving over to VDSL.But now i cant open any ports on the E4200 no mather what i do.It worked with the previous modem, but now i cant open anything. all the ports seems to be closes, 80, 21 etc, and the ports i manually forrward.The previous modem was a ZyXEL P-2602HWT-F3, and the new one is a ZyXEL P-2812HNU-F3.If i connect directly into the ZyXEL P-2812HNU-F3, every ports seems to be open, port 80 is open, port 21 is open, but not on the E4200, and yes, i have tried open the FTP ports.I have tried the 30/30/30 reset on the E4200.
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Jan 16, 2012
I have the E4200v1 and if I remember correctly I think its on 1.0.0.3 (cant remember because I went back to my wndr3700). I had not had any problems with it until yesterday when I returned to playing The Hunter (first time playing it on the E4200) and my girl hollered upstairs saying that she lost connection on the laptop. I reset the router and she reconnected and I went back to playing the game. 2 minutes later she hollers again. I stopped playing the game to try to figure out the wireless issue and everything looked normal. No more loss connections for the next few hours..........Until I started playing the game again...so I took it out of line and put the 3700 back in line and played the game for hours with no connection drop to the wireless. Is this a knows issue on the 4200? Are some setting changes necessary to game on it? btw I was playing the game wired and it didnt effect the connection at all?
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Feb 4, 2013
I've tried a number of ways to re-configure my E4200v1 router with Cisco Connect but without luck. I don't have the CD so I've downloaded it from this website and it loads and installs and launches but ultimately can never find the router. Part of the problem may be because I have a Verizon Fios Router already at 192.168.1.1. with the wifi and DHCP turned off, in favor of an Asus router which works well. I have tried taking the Cisco Connect installation off the wifi and onto a wifi through the E4200 Wan or Lan ports, but it still can't be found. I am able to get into the E4200v1 setting manually this way and to change its ip address to avoid the Fios Router conflict. But nothing works. Maybe I need to put the e4200 in the 192.168.1.1 range instead of the Asus 192.168.5.1 range? [code]
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Sep 20, 2012
The E4200v1 does not play nice with the 4s on iOS6!!It will not work at all with Wireless N mode or mixed mode settings. If I have it on these settings, the iPhone will connect (slowly) to the router, but access content on the browser takes forever (or not at all).I have to set the router to G only nmode, but obviously this is no good for the rest of my devices!
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Jun 19, 2012
I've had an E4200v1 in use as my home's main router for about 3 mos. And while many others have reported disconnect problems (I think), I myself have never seen any. My router and its N & G wifi networks have been rock solid. Until yesterday that is.Now all of a sudden, most of my family is complaining about wifi disconnects, slow speeds, etc. (My primary PC is hard-wired so I don't see any problems whatsoever... the problem apears to be wifi-only)And the Apple devices (OSX & IOS) seem to have the most severe problems. But Windows devices have also seen problems, just not as critical.Also, it's worth noting that I've been running 1.0.04 the whole time, without any problems... it seemed relatively stable to me. That is until yesterday.
I've bounced the router, I've disabled/re-enabled Wireless G network. I've switched mode from "mixed" to "G-only" back to "mixed". I've changed the channel width back to the default of Auto (I had been using 20Mhz), which increased my throughput (as measured by Qcheck) so I'm leaving it "Auto".
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Aug 20, 2012
i have a little annoying problem with my E4200. V1 with the latest 04 fw. It seems, that after many hours of downloading at full speed (only one torrent at a time) the speed goes down, and up again, and becoming unstable. My max download speed is 1.5 Mb/s, and it can drop from that, to 50 kb/s, and then up again. and i have no internet access when that happens, but it only last 10-20 seconds and then its back again. Sometimes i get that yellow warning sign on the taskbar which says "No Internet Access" but not always.
Seems like its happening after many hours of downloading at full speed. im on the latest firmware, have tried different channels, 20 Mhz only on Channel Width, different names on the 2.4Ghz and 5Ghz channels.. i use the 2.4Ghz channel btw. Otherwise its stable, and i have had no problems while gaming online.
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Jan 7, 2011
I have been using a linksys 5 port workgroup switch in my room. I have the ethernet cable coming from the router into the uplink port and my PS3, xbox, dvr, and pc in the other ports. It has been working fine until today I started messing around the the cables. I had trouble with the ps3 connecting to the internet so I used my laptop with wifi disabled to test out a few of the cables and ports. Now all of a sudden the switch kills the internet connection. If I remove the cable running to my room from the main router, the other PCs and wireless will connect, but as soon I plug myself up it goes dead. I now have the ethernet cable in my room hooked directly to the PC bypassing the switch and everything works fine now.
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Feb 16, 2012
I replaced a WRT54G2 V1 with a E1550 earlier this week. This router connects a sub-net of our office to the main network of our office. When the WRT54 was in place everything worked without a hitch, but the E1550 keeps dropping us from a server we have on the main network. The WRT54 is back in play until I can figure this out.
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Dec 8, 2011
I purchased an E2500 router today and it worked perfectly for about 4 hours. Now it drops my internet connection constantly. I can connect and load maybe 2 pages before that little yellow triangle of doom appears. Then after 2 or 3 minutes I am good and can reconnect. This cycle just keeps happening.
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Dec 21, 2011
I have four E4200's doing the same. I have FiOS 15M download and 5M upload. As soon as QoS is turned on the upload speed drops down to usually 300k and it never exceeds 1M.At the same time any VPN connection gets dropped often.I also configured one E4200v1 as router and the second E4200v1 as Access Point (HDCP off) hardwired to the first one.Any VPN connection gets dropped when changing location. I.e. if VPN was established with the router, the connection gets dropped when in the location where AP is -- and the other way around too. There is no coverage gap between the two locations, to the contrary - they do overlap heavily.On Dec 21, 2011 the level 2 Linksys/Cisco people advised that they will forward the two issues to engineering and that resolution will be within 24-48 hours.
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Jul 3, 2012
I've got an E4200v1 running 1.0.04 firmware with guest access enabled. I'd like to find out who is logged in using the guest access. Is there a way to get a list of the DHCP clients on the guest network? I'm able to do this for the non-guest access via the WEB interface's Status->Local Network->DHCP Clients Table page. But I can't find a similar table for the guest network.
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Oct 7, 2012
Currently running Windows 7, with internet explorer. I have most recent firmware installed on my e2500. The unit drops wireless connectivity on an intermittent basis. Sometimes after 5 minutes and sometimes after 20 or 30 minutes.
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Nov 14, 2011
I'm running Windows 7 Home Premium (64 bit) connected to a Linksys WRT610N Router. I have attached a 320GB USB 5400 rpm hard drive to the router as NAS storage.The router is running 2.00.01 build 15 firmware. I get frequent drop-outs when transferring large files. Tonight I've been trying to transfer a 4.36GB file to the drive from my PC. I've tried several times. At exactly the same time, with about 377MB to transfer I get a message saying 'There is a problem accessing Z: make sure you are connected to the network and try again'.
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Oct 1, 2011
I had the 2 Wire Box that received TV and internet. Called my ISP and they gave me this access point to use instead. I hooked it up and it was fine for about 2 weeks. Suddenly for no reason it started dropping. Noticed it first when online gaming on my PS3. Checked laptop and all wireless devices down. Takes about 30 seconds.
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Aug 1, 2012
Wired connection to the router works fine. But it drops all the wireless devices (PC, phone, tablet) multiple times each day, sometimes only 30-60 minutes after reconnecting. Power cycling the router "fixes" the router and allows reconnection. There are 2 topics in the FAQ section that looked good: Getting poor or no signal from a wireless routerTop causes of dropping wireless connection on a Linksys routerbut clicking on those does not bring up anything.
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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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Feb 4, 2012
Set up: Router: WRT110 1 computer connected via ethernet cable 1 computer using a wireless nic card from cisco
The problem is thus: if the first computer is actively using the internet (even activities as mundane as browsing one's email) the computer connected wirelessly will lose its connection to the internet yet maintain its connection to the router. Both can be actively using the internet, but the wireless will seemingly at random drop internet access (usually in 30-120 minute intervals).
The computer connected via the ethernet cable was unplugged for a week and during that time the wirelessly connected computer was used extensively and did not lose connection once.
I don't understand how to even frame this problem in a concise manner, much less seek information as to how to resolve it. It's seemingly giving all priority to the computer connected via ethernet but I that's just intution speaking.
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Oct 3, 2011
I recently changed the security mode on my router from WEP to WPA2 Personal. However, since that change, I've noticed that the wireless devices, 2-laptops, are intermittently loosing their connections. . I don't know if it has anything to do with the security mode change, but I don't want to go back to WEP for obvious reasons.
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Nov 15, 2011
I bought a e4200 router about 3 weeks ago and after a power outage it decided it didnt like being connected to the internet anymore. So i got on the phone with cisco they determined the router was no good, mind you my laptop would connect wired. So they sent me a "refurbished" one, so i set it up. The new setup was wonky because it said the same message "Your connected to your router but..." then after trying to get the connection its self and failing it came up with "congratulations you are now connected to the internet". That lasted 3hrs and 45mins then died, so i went upstairs to power cycle it, it decided to connect with the old settings. That lased 25mins then died, so i reset it and reconfigured the router. Wouldnt connect, i checked my mac address and it was using my wireless one and kept turning on my wireless connection durring the install. So i cloned my wired mac address and got the internet for roughly an hour... then it died. So i reset it again and kept the wifi off got it going and decided to go to sleep. I wake up and its still working after 8hrs, i go down stairs with my tablet and i dies again. This time it refuses to reconnect, refuses to reset back up just doesnt want to work.
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Feb 4, 2011
I just got an E4200 and have a SBG6580 cable modem. I cant seem to set this up properly and my connection keeps dropping. What is the proper set up ? I would like to configure it so the cable modem handles the DNS and the E4200 handles the wireless.
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Dec 22, 2006
I have a WRT54G conected to a desktop through a wire, and conected to a laptop wirelessly. It starts working fine, and after a while i get no internet connection in my laptop nor my desktop. After this happens i disconect the power source from the router, i conect it back again and it starts working.
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Jan 25, 2013
I've been using my Linksys WRT54GC for couple years now, and only recently have I started to have significant issues with the device. I'm using a 2012 Macbook Pro, and my internet connection seems to be randomly dropping every now and then. Sometimes it works just fine for couple of hours only dropping once or so, sometimes it starts dropping literally every few seconds. What I usually do is quickly restart my wifi and the connection comes back right away. I also tried not doing that, and the internet connection tends to come back up after a minute or so.
I have read countless topics, also tried many things: changing MTU, the thresholds in router settings, security modes (it seemed to have worked fine after I changed it to WPA, not anymore though. I'm using no password now and it doesn't fix the problem either), changing the channel (my strongest signals around are on channel 1 and 11, thus I left mine on 6), I even reset the router today (held the reset button for 10 seconds~) but it didn't work either. I didn't upgrade the software since I heard stories about the software available on this site being corrupted or something, bricking the router, which is the last thing I'd want (I'm running on 1.00.7 now).
I have the impression (but it's just an impression, it might as well not be the case, and just me trying to find out when it happens, since it's not always that it breaks the connection while doing that) that it breaks the connection on high load, I mean when I'm for example using skype and facebook, and then try to go on reddit at the same time - the reddit webpage won't load, and the connection is lost after few seconds. But it also started dropping every few seconds while I was playing an online game and skyping at the same time today, which isn't a particularly huge problem for a 23Mbps download and 1.5 upload speed internet I suppose, and which it never did before. I have never had such issues with my PC using a Linksys USB adapter. The connection would drop from time to time when, for example, accidentally going on pages with lots of thumbnail pictures, or trying to load 15 tabs of jpgs at the same time, it was never that much of a problem really though, I just thought it's normal.
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