Linksys Wireless Router :: Set IPv6 DNS Server On E4200v1?
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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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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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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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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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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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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Nov 25, 2012
I have an e4200v1 in bridge mode (LAN IP 192.168.1.2) connected via its WAN port to a LAN port on the primary router at 192.168.1.1.
Guest Wireless works perfectly in Ver. 1.0.04 build 11 but not in Ver. 1.0..05 Build 7.
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Mar 1, 2013
How can I get IPV6 connectivity using rr. Does it has to be automatic or manual, Is there anyone with RR getting IPV6?
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Feb 23, 2011
I know that the E3000 does not have IPv6 support. I wanted to know if it will get a firmware update to support it?
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Jun 11, 2012
Our internet provider has no intention of providing a IPv6 DNS so I have a crippled at best service. We live in an area where our only option is through satellite service, so changing providers in not in the cards, yet.
If I "Disable" the DHCP Sever, the setup menu provides a method for me to force feed up to three Static DNS addresses, all with IPv4 addresses.
There are several locations that provide "free" DNS service, but how does one verify the security of such sites? Does Cisco keep track of the status of this kind of service or am I on my own? Cisco seems to endorse two DDNS services, but for home use, the extra charges seem otherwise unnecessary, and do not yet address the IPv6 question.
The first few that I have investigated that do provide IPv6 service also provide their addresses in IPv6 format. The E4200 menu does not seem to allow me to do that.
Am I going to be forced to live with crippled IPv6? I have already discovered a software product that has failed since changing routers, but works if I take my laptop to a particular WiFi location.
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Jan 14, 2013
So I've realized that my parental controls were being ignored by the computers, at first I figured my son had found a work around to by-pass. But reading through the forums today, I've found that IPv6 being enabled might be the cause of my issue. So I'm currently sitting at work and connected to my router remotely, but for the life of me, can't see where to disable this option. Using the Smart Wi-Fi interface, closest I can get is "Connectivity, Internet Settings, IPv6 but everything is grayed out and no option to edit this.
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Apr 18, 2013
Lets get this straight, right off! If I plugged my computer directly to my Comcast Modem, IPv6 works fine on the { url } So I do not think any of this problem is related to my computer
I bought a EA4500 Router so I would be ready for IPv6, and also wanted N as well as the storage USB port. When I got the router, it came I guess with the original release firmware. It looked "Classic", but the box said Smart. I did the firmware upgrade. I could not get a IPv6 from Comcast. IPv4 worked fine.
I then changed to the latest "Classic: firmware, and all started to work. So I decided to try Smart again. Same thing, no IPv6 from Comcast. After being on chat for I think close to 2 hours today and getting no where, I did a reset to start at scratch again. I then got a IPv6 from Comcast. Many moons ago, it was a real hassle to switch devices hooked to a cable modem. At least here you had to power cycle the modem, so I have always cloned my wired Desktop MAC. So when I put it back in, I lost IPv6 from Comcast. Turned off MAC cloning, and I got the IPv6 again. So it looks like there is a bug in the Smart Firmware and MAC cloning since it worked OK with Classic firmware. OK, I could live with no cloning since the issues of yesteryear don't seem to be there in getting a IP from the cable modem.
Then for what ever reason, my computer would not get a valid IPv6 on the LAN from the router. I got some IP, but no Gateway. I tried everything I could think off. And again, plugging the computer directly to the cable modem, IPv6 worked fine. So something is just not right with this router as far as I am concerned.
Also, it seems like navigating through the menus on a local connection (192.168.1.1), I constantly got a message to wait popping up on the screen, for many seconds. If I had no Internet connection it would take forever on some things.
I have spent many hours on this, and am just giving up and going to look at another brand product. I don't need or want the "Smart" functions anyway.
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Jan 27, 2013
I have to go back into settings and deactivate the IPV6 tunnel daily to keep access to youtube. My provider does not support IPV6. Saving changes has no effectIs there a way to ensure that the IPV6 tunnel remains deactivated?I have firmware version 1.0.30 build 126544 2011-12-24. Firmware update function says I got the latest version.
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Jul 22, 2010
IPV4 IP addresses will be running out in less than a year and I wanted to know, will there be a firmware update for WRT120N to support IPV6?
Also, if I have to buy another router to support IPV6, I'm going to buy a D-Link. It's nothing personal, I just find it absolutely idiotic that a router that supports wireless-N doesn't support IPV6. You have to ask your self, how does the standard IPV6 spec thats a few years old not make it to the final product of a router, but a non-standard wireless-N spec implementation somehow got the O.K....?
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Jul 9, 2012
Do you know when will be possible to manual configure ipv6 settings? I have all parameters from my ISP but the settings on the router are only automatic and 6rd. Is it possible to enable this in future firmwares?
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May 29, 2012
Region : Ireland
Model : TL-MR3420
Hardware Version : V2
Firmware Version :
ISP :
I have my router updated with the latest firmware and I'm pretty sure all the settings are correct but I'm only getting a max transfer rate of 144Mbps. I know this because I use InSSIDer 3 to analyse my wifi network etc. I stream movies over my network and while DVD quality movies play fine, HD movies tend to freeze and buffer a lot. I have the router's channel width set to 40Mhz, so I know that's not the problem. Strangely, I also use a Netgear wifi extender with the MR3420 and it's max rate is 300Mbps.
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Dec 21, 2012
No changes made but router will lose all information for IPv connectivity. I have paid twice to support to fix this issue and it still occurs every few months. I tried rebooting router, and doing an IP Release/ Renew and router does not get IP address.
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Feb 7, 2013
Have a v2 E1200. Connect with PPPoE to ISP. IPv4 works fine. With firmware included on router, 2.0.01, it would receive a /64 of IPv6 from the ISP. This /64 would show up under 'status' / 'local network'. Although it did not seem to advertise this space to PC's on my network so I was unable to use it. I updated firmware to 2.0.04. Now it does not even pick up the IPv6 /64 at all.
Anyone have PPPoE and IPv6 working? Anywhere I can download 2.0.01 to try it again?
Is there a model of router that actually works with IPv6?
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Feb 5, 2012
I just upgraded my old WRT54G to a E4200v2 with firmware 2.0.36.126507. I installed it using the Cisco Connect CD. At first it seemed OK, but then I noted that I cannot open (or takes forever) many websites, in particular those requiring Adobe Flash Player to view. In addition, it appears that access IPv6 Internet or sites is impossible, even though IPv6 is enabled in the GUI. Is there anything I am missing in the configuration/set up of the router?
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Apr 10, 2013
I have a Swann Communication security camera system with their DVR8-4000 hooked to an IPv4 router, connected to the Internet using the new HughesNet Gen4 service. The Swann DVR wired to my router requires a static IP address. HughesNet Gen4 is implemented with IPv6 and I am told that it does not accommodate an IPv4 type static address.
I have discussed the issue with both company’s technical support. HughesNet Gen4 reps recognize the issue and may support static addressing in the future, but not now. Swann reps will not modify their implementation because of the relatively small Gen4 market. The Swann rep suggested that replacing my IPv4 router with an IPv6 router might resolve the “static IP address” issue.I am looking at several Linksys IPv6 routers including the EA4500 SMART WiFi Wireless Router N900, but know too little about IPv4, IPv6 and router/static addressing to proceed unassisted.
1) can I implement a static address with an Linksys IPv6 router cdonnected to Gen4?
2) Which Linksys routers offer IPv6 support?
3) How does one go about setting an IPv6 static address using HughesNet Gen4 on a Linksys router?
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Sep 18, 2012
Need a guide to setting the Ipv6 Tunnel from SixXS On the cisco connect cloud?
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Aug 30, 2012
My ISP (OTEnet, Greece) offers IPv6 connectivity in the form of dual-stack IPv4/IPv6 with the requirement that the router supports DHCPv6 Prefix Delegation for establishing an IPv6 connection.Using other routers (Cisco 887W, DrayTek Vigor2130n), I have established an IPv4/IPv6 connection but I am unable to do so with the EA4500. As a matter of fact, when I have the "IPv6 - Automatic" option enabled the router not only cannot obtain an IPv6 prefix from the ISP but it gets stuck in the connection attempt and never obtains an IPv4 or an IPv6 address. I have to disable the IPv6 option in order to simply establish an IPv4-only connection without problems.So, my questions are:
1. Does the latest (2.1.38.38880) firmware support dual-stack IPv6 and DHCPv6 Prefix Delegation?
2. If the router cannot negotiate an IPv6 connection why is it not establishing an IPv4 connection only but gets stuck in the process?
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Nov 9, 2012
I have a virtual machine running in my desktop which connected on the gigabit lan port on EA4500 with firmware 2.0.37.What I want to be able to do forward a port that came from an external ipv4 address to the ipv6 address and a different port to my virtual machine (to remote desktop port 3389).The reason I want to convert the traffic to ipv6 is because virtual machine is running vpn and is not reacheable through ipv4 (unless bunch of routes are setup and things get complicated etc). I verified my phsical server and virtual server get both ipv6 ip addresses through ipv6 tunnel from comcast. Without tunneling I could not get ipv6 setup using automatic mode with comcast, it simply did not work for some reason.
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Jun 9, 2012
When I enable IPv6 on my E4200, the Windows 7 DHCP client crashes. It also seems to crash the audio service, the event logger and a few other windows services.
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