Linksys Wireless Router :: WRT400n Reboots Every Few Minutes

Jul 2, 2011

Check to see if there is a firmware upgrade and there is.  Well I updated it with the newest and only one out there.   I did the upgrade, said sucessful and now it will just random reboot or something........ every few minutes the power light starts flashing....... then all the light go out, then power flashes again and it comes back up.   I have tried many times to reflash it with that new firmware but no avail.  I wish I had the old firmware back because it was working fine till I did this upgrade.  

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Linksys Wireless Router :: WRT400N - Every 30-45 Minutes All Connections Dropped?

Mar 13, 2011

I have a WRT400N and approximately every 30-45 minutes the router will drop all connections (wired and wireless), all the lights will go out and then power light (far right light) will flash for a minute or so.  I have tried connecting directly to my modem and I have no problems at all.

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Cisco Wireless :: WAP200E G Exterior Reboots After 15 / 25 Minutes

Apr 23, 2012

WAP200E access point that causes it to reboot after anything from 15 to 20 mins .I have run it off an injector and a POE switch, updated the f/w to WAP200E-ETSI-FW- and it still reboots itself .I have even been sent a new one from the supplier and it does the same thing.

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Cisco WAN :: 866VAE Reboots Every 20-30 Minutes

May 23, 2013

My new small router 866vae crashes and makes cold reboots every 20-30 minutes. I updated IOS, but it didn't work. The logs show texts like this:
Possible software fault. Upon reccurence, please collect
crashinfo, "show tech" and contact Cisco Technical Support.
-Traceback= 0x808A0980z 0x808A4E90z 0x8089E2B4z 0x808AD350z 0x8086F000z 0x80A3B7A0z 0x80A1D444z


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Linksys Wireless Router :: WRT400N - Remote Access For VPN?

May 15, 2013

I am trying to troubleshoot my own router (Linksys) issues with using Lync and accessing some sharepoint sites that are internal to my company's network. I am connecting to the Internet using a Linksys router (WRT400N).  When I have my work laptop using RESCUE GFE hardwired directly to the modem - and then connecting to VPN - I can connect to Lync and work normally. However, when I move connection via the router - I can no longer connect to Lync nor access some Sharepoints.  I can access VPN fine but with Lync I get an error stating "Your Lync account does not allow access from outside your organization's network.  Please connect to your organization's network and try again.  However, I am connected via the VPN.this connection worked with a prior laptop using WinXP (I am no on Win7) and the connection thru router and using VPN worked with Communicator.I unfortunately had to reset my router - so I cannot recall if there were port settings established from the last time I had to set up the network.  I didn't save the configuration; note to self - save configuration in future.

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Linksys Wireless Router :: WRT400N Won't Connect Properly?

Jul 2, 2011

I just did a reformat on my laptop, therefore I had to reconnect with my router. I put in the correct encryption key.. however as soon as i got connected, it just kept saying *Authenticating* for about 5-10 minutes then it disconnects me.. What i can do to stop this?The router itself was installed on a shared computer (I live with several roomates) and that particular computer got replaced.. does that matter to the router? the new one doesn't have the program installed.

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Linksys Wireless Router :: WRT400N - Cannot Access IP Camera?

Aug 30, 2011

Recently upgraded to WRT400N from older 54G.  Opened ports to my Linksys IP Cameras and can access via DynDNS address (using Modem addressort)  from inside my network but not remotely.  If I disable SPI Firewall it works from outside my network ... am I missing a step ... never had this problem with 54G and although I run software firewall on my computers I like the thought of added security of a firewall on my router.

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Linksys Wireless Router :: WRT400N Can No Longer Connect To Cat 5

Nov 18, 2011

Been having random connection drops for the past few weeks where I would see the network connections to the router just drop either on a wireless connection or a wired cat 5 connection. As of tonight I cant connect to the router at all. If I disconnect and reconnect the power after 30 seconds it will come up for a short time but then I will lose it again. linksys as my router is out of warrenty. I'v searched around for similiar problems people have been having, but it seems like mostly involve just the internet connection. I still have the same firmware for the routers as the day I purchased it and the router sits on my desk in a ventilated area not overheating. I can do to further diagnose the problem, I have even tried resetting to factory defaults. I try to diagnose the problem or see if my router is just dead.

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Linksys Wireless Router :: Connecting Xbox 360(s) To WRT400N?

Jul 10, 2011

I was able to connect to the n portion of the router with the xboxs fine until last friday.  now i can see the n network ssid fine but the xbox won't connect to it.
my pc connects just fine, i've powered cycle the router, tried renaming the router, opened all the required ports, reflashed the router to the current firmware.

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Linksys Wireless Router :: Wrt400n Internet Keeps Dropping

Jul 16, 2012

My wrt400n was working great but since last few days internet keeps dropping. My modem is all good and up and running. Its just router keeps dropping internet. SO i have reset the router and than it works.

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Linksys Wireless Router :: WRT400N - Wake On LAN And Static ARP?

Apr 1, 2012

I cannot get internet Wake on LAN to work via my wrt400n . (It works fine on my LAN - so I know that the pc is configured properly. Further, I know that port forwarding is set up correctly, as other applications are using forwarded ports and are working correctly). The issue seems to be that the magic packets are being blocked by the router or they are received but the router doesn't know where to route them. I monitor the network and the never see the magic packet on my subnet. how do I set up a static ARP route on the wrt400n? I suspect that I may need to create a static ARP to resolve the issue.

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Linksys Wireless Router :: How To Configure WRT400n As An Access Point

Aug 13, 2009

I would like to configure it as an access point on my LAN, similar to the way my WAP55AG works.My research on the Internet and on these forums indicate that I have to disable DHCP on the router as well as use the LAN ports to connect it to my network.I am able to turn off DHCP, but assigning it a static IP address is challenging.I can set the IP address, but I am unable to set the subnet mask to as I am only getting a set of SM in a drop down list whick are all 255.255.255.x

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Linksys Wireless Router :: Wrt400n Keep Losing Wifi Connection

Jul 8, 2012

I have a WRT400N that loses connections for my PC and other devices in my house (IPHONE, IPAD etc.).Sometimes it fixes itself other times I need to to a hard reset to boot the router and then evryone can signin again
The Firmware Version: 1.0.01 B19

The operating system on my PC is WIndows 7

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Linksys Wireless Router :: WRT400N Slow Download Speeds?

Aug 28, 2012

I have been experiencing intermittent issues with download speeds of 1-3 MB and ironically upload speeds of almost 10MB. When everything is working fine I get download speeds of about 35MB and upload speeds of 5MB which is normal. This issue comes and goes. I had Comcast come out several times and we finally pinpointed it back to the WRT400N router. The Comcast modem is a Cisco DPC3008 model. I know there are known issues with the Cisco WRT400N but have had a hard time finding the information. Any known issues for this model and if so what are the fixes. BTW, the firmware is up to date. 

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Linksys Wireless Router :: WRT400N - Connection Excellent But Could Not Access Internet?

Mar 17, 2013

I'm having a little trouble connecting a new computer to my wireless network. I have a WRT400N router and I'm connecting an older computer to it. The computer runs off Windows XP and the router itself is a WUS854G. We can get the adapter to say that it is connected to the network, but the router will not assign it a new IP address or even acknowledge that it is connected on the MAC client list. We manually forced a new IP, which allowed the computer to connect (though, again, the router did not show that it had been connected to.) but despite the connection being "Excellent" we could not access the internet. Furthermore when we tried to refresh the connection the IP address reverted to the original setting.

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Linksys Wireless Router :: WRT400N - IPhone Lost Connection / WPA Key Isn't Valid?

Oct 14, 2009

Just bought a WRT400N and set it up using 5ghz and 2.4ghz bands, and using WPA TKIP for both.  Problem is that both my laptop and my iphone occassionally lose connectivity and my iPhone says that my WPA key isn't valid.

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Linksys Wireless Router :: Port Forwarding Stops Working WRT400N?

Jan 16, 2010

Having a problem with port forwarding on their WRT400N? I'm forwarding one service (https) and this stops working if it's not accessed after a 10 days or so. The only way to get it to work again is to reboot the router. I’m running the “latest" firmware, which is an oxymoron considering it's been over 12 MONTHS since Linksys updated the code... Which is appalling considering this appears to be their flagship wireless N router.

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Linksys Wireless Router :: Unknown Device Showing In DHCP For WRT400N

May 2, 2013

I have the WRT400N router with the latest firmware. Recently I have noticed a device in my DHCP that I do not recognize. It is not device I own (believe me, I have racked my brain and confirmed) as it shows as an Acer pc. I cannot ping the IP address however. I have rebooted my router several times thinking maybe it's a former connected device but saved in memory but it keeps coming back. I am thinking possibly it is someone hi-jacking my Internet, but not sure. I am using WEP security but it shows a LAN connection which is strange for a wireless device. The only hard wired pc is my HP.

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Linksys Wireless Router :: Devices Cannot Find WRT400N / Signals Wirelessly?

Sep 6, 2011

I've had been successfully using a WRT400N to extend my wireless network as follows:
The WRT400N connected to my network via an Ethernet port in my kitchen. The cable ran down to a corner of my basement connecting to Verizon router that brings in our Internet, TV etc.
The Verizon router's poor location was a problem, and placing the WRT400N in the kitchen worked perfectly, providing excellent network access and Internet to wireless devices throughout my home. It worked fine for over a year.
Recently, we had a power outage which reset the WRT400N to factory settings. and I am having trouble getting it to work again. I set it up in the first place, but am now having difficulties. Clearly, I am no guru!
I tried to get it going again by: 1) plugging the WRT400N into a PC and giving it a new IP address that would not conflict with the Verizon router (both default to   2) turning off DHCP,  3) renaming the router, 4) changing the router password, 5) setting up a WPA2 security key.
I then plugged the WRT400N back into the kitchen Ethernet port, but something is wrong. Wireless devices cannot find the WRT400N.
The good news is that I can "see" the WRT400N through any PC on the network via a browser and access setup, but the bad news is that devices cannot see or connect to the wireless signal.
When I go to "Status" it shows the IP address, subnet address and default gateway all at On the SETUP page, it has the correct router address (, and a subnet mask of Not sure if it is supposed to be this way... 

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Linksys Wireless Router :: WRT400N Stopped Working With Ethernet Connection?

Jul 28, 2011

I've had the WRT400N for about a year and a half now and just last night it stopped sending out data when connected to my cable modem. I've tried connecting the modem directly to my Mac and it works just fine (that's how I'm sending this message now). But when the modem is connected to the router, I get no data. It connects to both the 5 Ghz and 2.4 Ghz networks, but it refuses to send data through the pipe. I've tried power cycling both the modem and the router to no avail.

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Linksys Wireless Router :: WRT400N Access Policy Blocking All Connections

Oct 16, 2010

I am trying to set up an access policy on my WRT400N.  Whenever an access policy is enabled, all internet acess is completely blocked.  This occurs irregardless of what the access policy is supposed to block.  Even a blank access policy that allows access to everything and doesn't have any computers registered still blocks everything. How do I get it to stop completely blocking internet access?

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Linksys Wireless Router :: WRT400n Cannot Connect To Internet After Power Outage

Mar 14, 2012

We had a power outage the other day, and now the wireless router cannot connect to the internet. Network Magic shows there is no connection from the device to the internet. I tried repairing it through Network Magic but it wasn't able to fix it.
My PC is directly connected to the wireless device by LAN cable. If I connect the PC directly to my DSL router I can connect to the internet, but not if I connect to the wireless router and from there to my DSL router. I tried resetting the wireless router to factory defaults and then going to [URL] and resetting up the router security settings. But Network Magic still shows the bad internet connection.
I then tried resetting the router to factory defaults again and installing it from scratch using the setup CD but that failed as well. I'm not at home right now so can't remember exactly at which point it was but I think it was either when the setup wizard tried to detect the device or install the device.This is the second time I've had to reset up my router due to power outage. Last time I was able to get it working by doing the first steps above.

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Linksys Wireless Router :: WRT400N Stops Routing Packets Randomly?

Aug 19, 2012

This happens intermittantly. This results in most connections (but not all) being dropped. I will be unable to connect to web servers. My connection to videogame servers will drop. However, AIM will stay connected. These were done simultaneously. The same thing happens with my Cisco AE1200 and a D-Link 802.11g adapter I have. Disconnecting my adapter and reconnecting it solves the problem. I have tried doing a factory reset on the router and installing the latest firmware. It seems to happen more frequently when I am doing a lot of throughput (downloading a game on Steam, for instance) but other times it will happen when all I am doing is playing a game (like Tribes Ascend) which uses very little data. This is extremely frustrating. When I pay more than $150 for a piece of networking equipment, I expect it to last more than 3 years.

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Linksys Wireless Router :: WRT400n Has Started Dropping Signal 4 To 5 Times A Day

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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Linksys Wireless Router :: WRT400N Connection / Unable To Connect To Internet

Apr 5, 2011

I have had a problem with my WRT400N wireless Linksys router. Whenever my router restarts or if the DHCP lease expires, I'm unable to connect to internet. During this time I can access the router, but not the internet. Oddly something that seems to "fix" this is if I use my nintendo wii to access my wireless internet at that time, all computers on my network are able to access the internet. However this is annoying to do since this happens once a day from DHCP lease expiring. Using any other computer to attempt to access the internet at this time would be unable to get a connection until I do the "fix" with the Wii. WRT400N

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Linksys Wireless Router :: WRT400N Firmware Update - Incorrect File Path?

Apr 13, 2010

I have downloaded the firmware update "Ver.1.0.02 build 11" for my WRT400N from several times. I then try to update my firmware on my router. Each time I try, I get an error message that says  "Incorrect file path."

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Linksys Wireless Router :: Wrt400n / Wifi Stops Broadcasting At Random Times

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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Linksys Wireless Router :: WRT400N Constantly Drops IPhone / ITouch Connection

Feb 28, 2011

I have the WRT400N router and using windows 7 (on this computer). It works perfectly with any computer I use in the house (there's 3). As soon as I open a laptop, its connected. My iPhone (we have 2) and an iTouch, are a different story. They connect, stay connected sometimes for 5 minutes, sometimes 5 hours, then will drop the connection out of nowhere. It doesn't matter how close or far I am from the router. Sometimes I'll get a message that I have an incorrect password (which it's not, which is why it DOES work). Sometimes I don't get a message at all (on the phones I'll just notice its on E/3G). Now, looking through the database I noticed there is a program for the valet routers that lets you add the phones, yet this doesn't apply to mine.
The tech in live chat told me it was the phones. I know its not as I had a wireless modem before this, and I never once lost a signal or had it ask me for an incorrect password.

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Linksys Wireless Router :: WRT400N - Adding Access Point To Existing Network

Oct 26, 2010

I have an existing wireless network using a Cisco/Linksys WRT400N wireless router (which in turn is connected to a cable internet provider). I need to extend my wireless coverage and so purchased a Cisco/Linksys E1000 to act as an additional access point.  Purchased from BB, the local 'geek squad' rep instructed me to follow the users guide for the set up. After login into the admin service on my E1000, I followed the 'Advanced Routing' instructions and disabled the 'NAT' option and subsequently enabled the 'Dynamic Routing (RIP)' option.  Everything worked like a charm to this point, but now I'm stuck. What steps do I need to follow to allow clients to log onto my wirelss network via the E1000 (secondary access point)? I've established WEP security keys on the WRT400N (primary access point) and want to use the same network security parameters on the E1000.

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Linksys Wireless Router :: Wrt400n Doesn't Show Dhcp Reservation For Security

Jul 27, 2011

i am having an annoying issue with my wrt400n and my foscam FI8918W.  in the dhcp reservation tab, the wrt400n doesn't show the foscam anywhere in the tab.  it shows all laptops, cell phones, nases, etc.  if i use the cisco connect software it does show it in the network map.  i can probably add it manually via the gui.  is this something normal or security cams not considered devices?

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Linksys Wireless Router :: Wrt400n - Internet Light On But Dead Via Wifi And Ethernet?

Jan 20, 2013

WRT400N worked great for 18 months. 
Last week the Verizon-supplied DSL modem went bad (wasn't receiving data) and was replaced. 
Now I can get Internet direct out of modem, and when I connect it to router the router's Internet light is on, but it seems to stop there. Devices connected to router via Ethernet or wifi don't get Internet. 
I'm able to get to the router's admin console via Ethernet and wifi, but no Internet. 

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Linksys Wireless Router :: WRT400N Laptop And IPhone Occasionally Lose Connectivity

Jan 24, 2012

Just bought a WRT400N and set it up using 5ghz and 2.4ghz bands, and using WPA TKIP for both.  Problem is that both my laptop and my iphone occasionally lose connectivity and my iPhone says that my WPA key isn't valid. 

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Linksys Wireless Router :: WRT400N Router Suddenly Has No Apparent Wireless Switch

Jul 18, 2011

Have a 400N wireless router that has been working fine with several wireless devices on a small home network for about a year. Nothing has been changed but suddenly all of the wireless wireless devices dropped offline and none see the network signal in their search to reconnect. All of the indicator lights on the router look good and I have unplugged power and reconnected first the cable modem and then the router but still no signal. Logging into the router seems to show that it is working OK but there is apparently no air signal for the client devices to detect so only the wired devices are showing up. It's as if everything is working except the antenna function. Are there any suggestions short of uninstalling and reinstalling the whole set up and see what happens? I have taken my laptop to a nearby hotspot and confirmed that it is receiving other network signals fine so it has to be something to do with the router itself.

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