I live in an apartment with supplied internet. I have wireless network with no password. I have a wall outlet that I can plug into. When I plug in my TC I get a double NAT error. I try bridge mode, but I can't get the internet to work.
Can I get an explanation of what bridge mode is?
Can I get suggestions on what I should do to use the TC as a wireless device to spread the same wireless device my apartment is broadcasting?
Can I get a suggestion on how to use the TC as a different wireless device with it's own password without access to the cable modem. I only have access to a wall port.
I own many apple devices, iMac mid-2011, Macbook Air 2013, 2 ipads, and 2 iphones for the family, and Apple TV.
I want all my devices to be on a password related internet but the double nat on my TC makes weird things happen and slow. I try bridge mode but the internet doesn't work.
I hope I have described this situation clearly enough.
Thanks
I want all my devices to be on a password related internet but the double nat on my TC makes weird things happen and slow. I try bridge mode but the internet doesn't work.
You building supplied internet is a cheap service that is without proper routable addresses..
Therefore to use more than one IP you MUST have double NAT.. sorry there is no choice..
Slow that is because you are sharing internet with every other person in the building.. get your own broadband service.
Bridge will not work.. it cannot work because the building only has private IP addressing. And they only give you a single address.
You can put a password on the wireless.. go to the airport utility and put in a password.
Other than that I don't understand what password you expect.
Can I get an explanation of what bridge mode is?
No NAT.. means the TC becomes a dumb Wireless AP and switch.. works fine with a cable modem router.. or any broadband router but useless with your building system.
Can I get suggestions on what I should do to use the TC as a wireless device to spread the same wireless device my apartment is broadcasting?
Double NAT, and set your own wireless names. There is no alternative.. sorry.
Similar Messages
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HT2497 Why does my Airport Utility keep saying "Double NAT"error?
I had to add a new cable modem to my home network.
I keep getting a "Double NAT" error and my modem keeps the yellow light blinking.
What do I do?It's almost a miracle that it was working at all.
Each wall will absorb on average, about 15-20% of the signal so after 4 walls...and a ceiling....which is typically 2-3 time thicker than a wall....there isn't going to much signal left to extend.
Try locating the Express no more than half the distance between the Time Capsule and the general area upstairs that needs more wireless coverage. Minimize obstructions in the signal path as much as possible.
If that does not help, we'll have to do some SNR measurements to see if what you are trying to do is even feasible. -
Help with Time Capsule Double NAT error.
I've been reading different threads on this problem but have been unable to find a solution.
I recently replaced a dead SpeedStream modem with a Motorola 3360, per AT&T's (my ISP) recommendation. Since swapping the modem I've had a "Double NAT" error on my Time Capsule. The new modem is the only change. We connect every device: 1 G5 tower, 1 iMac, 1 iPad, 1 MacBook Pro via our wireless network. The Time Capsule is stand-alone, e.g., not connected to anything but the modem via the either-net cable provided.
Running 10.7.4, the Airport Utility is 6.0, the TC firmware is up to date as well 7.6.1
We've never had great speed but now it's slower than usual, I'm assuming because of the Double NAT error (two firewalls).
I've followed the AT&T website instructions, to the letter, for switching the 3360 to "bridge mode," letting the TC handle the IP address (correct?) = no internet.
I've also followed the support communities directions for switching the Time Capsule to bridge mode as well, letting the modem handle the IP address, the Double NAT error goes away but = no internet. In this mode I can't join my own network and I get a "your computer is using an IP address that's already in use" error, though everything but my laptop is off.
What I'm willing to try anything but I need very specific, step-by-step (noob) instructions. Many thanks.I've followed the AT&T website instructions, to the letter, for switching the 3360 to "bridge mode," letting the TC handle the IP address (correct?) = no internet.
I've also followed the support communities directions for switching the Time Capsule to bridge mode as well, letting the modem handle the IP address, the Double NAT error goes away but = no internet. In this mode I can't join my own network and I get a "your computer is using an IP address that's already in use" error, though everything but my laptop is off.
I have to admit when I see Motorola modem I automatically think cable modem.. but yours is adsl.. so when you bridge the modem you have to use pppoe client in the TC.. not dhcp as you would with cable. Is that how you are trying it.
I looked it up and there is a thread almost identical. https://discussions.apple.com/thread/3808550?start=0&tstart=0
Bob.. gives instructions with pic in the thread on how to setup pppoe in the TC. This should work, although we have noticed some issues of late with the client not always handling IP correctly.
I am not sure why it fails when you bridge the TC.. that IMO should work without too much hassle.
I would download 5.6 utility
http://support.apple.com/kb/DL1482
It just does a lot more things than v6 in Lion.
Go to manual setup in 5.6 utility.
Go to internet tab
Go to connection sharing.
Set to Off bridge mode.
Update the TC.
Then reboot everything..
start in sequence.
1. Modem.. wait a couple of min.
2. TC .. wait again..
3. Clients.
What you have previously done may well be correct but not renewing IP addresses properly has messed up the connection to the modem. -
Double NAT Error with Airport Extreme and Airport Express
I have an Airport Extreme 802.11n base station which is connected to my DSL Modem/ Router via Ethernet. I have a MacPro which does not have an airport card installed so I bought an Airport Express 802.11n - which is connected to my MacPro via ethernet - and thus provides my MacPro with internet access.
Originally I had the APExtreme and the APExpress set up in a WDS - all worked well - my other wifi equipped macs and devices in the house connected to the network with no problem, but I did notice that the maximum throughput I was getting was 802.11g speeds - this is of course due to the overhead of the WDS.
I originally purchased these 802.11n devices because I wanted the higher throughput - so I decided to terminate the WDS and just have the APExpress (attached to my MacPro) "join" the wireless network instead of extending it - which works and I am enjoying the 802.11n speed.
So, I just upgraded a couple of my Macs to 10.6.2 and was going to start using "Back to My Mac" and I got the error that there is a double NAT address problem and that "Back to My Mac" won't work until this is resolved.
I know that going back to a WDS will resolve the double NAT problem - but I don't want to take the performance hit that goes with the WDS.
So, short of buying an Airport card for my MacPro (which would eliminate the need of the APExpress)
Is there any other way to resolve this double NAT problem besides WDS?
Thanks for any advice.First of all thanks for your quick reply!
Connecting my MacPro to the Airport Extreme would be a serious pain as the DSL Modem and APExtreme are upstairs near the only connection point in the building to a phone line - and my MacPro is downstairs.
I suppose I could dig out a very long ethernet cable to perform the test. But before I jump through that hoop - please explain to me what you are trying to get at - in other words - what does it mean if this resolves the double nat error - and what does it mean if it does not? -
I have an Airport Express connected to a Viasat 4100 satellite modem. This requires a DHCP connection and is connected to my Airport Express by Ethernet. I then have three computers (two running Mavericks and one running Lion) and two IPhone 5s and an Apple Tv on the network. If the Airport Express is set to DHCP and NAT then the network works and I have internet, but the amber light flashes and I have a double NAT error. If I use it in Bridge mode the airport express goes green but I have no internet. How can I set it up so it works properly? If anyone knows could they please give all the settings I shoud use on the Airport Express as I may have left incorrect setting on it whilst trying to fix the problem. I have checked and it has been confirmed that I cannot change any settings on the satellite modem.
Go into AirPort Utility, click on the AirPort Express, and click on the "Double-NAT" error. Click Ignore. There's nothing that can be done about the Double-Nat unless you ignore it (no harm) or contact your ISP and get them to change your Modem/Router into Bridge Mode, and even then can't guarantee that you won't get that error.
Again, best thing to do: Ignore the Double-Nat Error. -
Creating Two Networks with Different Securities and Double NAT Error
I have a Time Capsule which is connected to my cable modem and an AirPort Extreme connected to my Time Capsule via the WAN port. I configured the AEBS to create a wireless network using WEP (I have a few devices that don't support WPA) so I can use two different wireless securities. The AEBS flashes the amber light and once I connect to its network, the AirPort Utility states that it has a "Double NAT" issue. I used my iPhone 5 to connect to the AEBS network and I can access the Internet just fine.
Is this issue one that can be resolved? If so, how? Or do I ignore the issue? If I ignore, what are the implications?
Thanks!You need to configure the AEBS in Bridge Mode to eliminate the Double NAT error, which is slowing down your connection...and may likely cause other issues depending on how the network is configured.
If you do not know how to do this, we need to know what operating system you are using on the computer that is being used to configure and setup the AEBS. -
Back to my Mac: Double NAT error
I can't seem to get Back to my Mac to work. My Airport Extreme says that I have a double NAT error. I have tried to put it in Bridge mode, but doing so disables the wireless capabilities of the Airport Extreme.
The geography of my network is as follows:
Cable port on wall> Cable modem
Cable modem> Ethernet> Airport Extreme
Airport Extreme> WiFi> Macbook Pro
I have a Motorola surfboard modem, which I have called Motorola about and they say that it does not provide a layer of NAT. I have called my ISP and they confirmed that they do not provide a layer of NAT as well.
Does anyone have any ideas on how to resolve this issue?FiggyOO wrote:
I have confirmed that my modem is simply a modem, no gateway. In case you were wondering its a Motorola SB5101U. According to the Airport utility, my IP is 10.1.4.104.
If that's really the "WAN" IP address of your AirPort unit, then it's a "private" IP address, as it's in one of the private address ranges of 10.0.0.0 - 10.255.255.255, 172.16.0.0 - 172.31.255.255, and 192.168.0.0 - 192.168.255.255. You can verify that address in the AirPort Utility Internet panel, TCP/IP tab. Unless your ISP tells you otherwise, you should have the "Configure IPv4" set to "Using DHCP" and the WAN IP address should be just below that.
If that address checks out, something "upstream" of your AirPort unit is doing a NAT operation.
The manuals I found for your modem seem to confirm that it has no router functionality, so it would be unable to be the source of the NAT.
I'd call your ISP and ask them why your modem is passing you a "private" IP address. There no need (at least initially) to mention what you have connected to the modem, as that would only tend to confuse the support people. -
Double NAT error status after updating to firmware 7.1
This may be a bug. My Airport Extreme was working perfectly, but after updating to firmware 7.1, with no other changes to configuration, it is now reporting a Double NAT error. Both wired and wireless clients still have access to the WAN and each other, so everything still works. I know I can ignore the error, but I wonder if anyone else has seen this issue?
I have a possibly unusual setup -
My DSL modem creates an address of 192.168.1.47 and hands that to the APE as its WAN address. I've configured the APE to hand out addresses to its client machines on the LAN in the 192.168.2.x range and it does that correctly. So there is no actual conflict - the WAN address is 192.168.1.47 and the client addresses are all in the 192.168.2.x range. Could the new software be assuming that the 192.168.1.x range is the NAT range without verifying the actual range is really 192.168.2.x? Seems unlikely, but it appears to be the case.
Any insights on this appreciated....
mac mini Mac OS X (10.4.9) my Airport Extreme is less than a month oldWhen iTunes attempts to sync photos from iPhoto, it shows the amount of the iPod drive taken up with photos, BUT NO usage on the drive graph itself.
When Sync Photos from iPhoto is deselected and another sync attempted, iTunes asks if photos should be removed from iPod, despite the previous sync being unsuccessful. When I choose to remove the photos, the amount shown taken up by photos disappears.
Does anyone know what the error message quoted in my question above means?
iBook G4 1Ghz/iMac G5 iSight Mac OS X (10.4.3) iPod Photo 40GB -
My laptop connects to the internet via my wireless network at home. My ipad will not bring up the internet using the same connection. It shows in the wi-fi settings as connected but when I bring up safari, nothing comes up. Any ideas?
Look at iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
Additional things to try.
Try this first. Turn Off your iPad. Then turn Off (disconnect power cord) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
Change the channel on your wireless router. Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
Another thing to try - Go into your router security settings and change from WEP to WPA with AES.
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
If none of the above suggestions work, look at this link.
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
Unable to Connect After iOS Update - saw this solution on another post.
https://discussions.apple.com/thread/4010130?tstart=60
Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
Cheers, Tom -
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We had this problem after upgrading to iOS 8. The iPhone 5 would not backup either to the cloud or to the computer. Backup always ended with an error message.
Long story short, with the help of iFunBox ( which I used to make manual backups of some important iPhone data files ), I discovered two games that
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Apparently these two games conflicted with iOS 8 just as they did with iFunBox. The next backup without those games was then successful.
I backed up to both the Mac and the cloud.
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Face time will not connect error message "Please check network conections and Try again" message appears but I'm connected to the internet?
Hey sergioo9,
Thanks for the question. Based on what you stated, it seems like you are having trouble signing into Messages on OSX. I would recommend that you read this article, it may be able to help you resolve or isolate the issue.
FaceTime, Game Center, Messages: Troubleshooting sign in issues - Apple Support
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sandyzotz wrote:
Other wise, I probably best return for a refund and get a Samsung.
Unlikely. Based on the complete lack of detail of the issue provided it is entirely possible the same issue would occur.
Unless and until the user provides some actual details of the problem, there is nothing the indicate that the issue is with the iPhone. -
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How can I set up a guest access point with a Time Capsule and an Airport Extreme? I am using a Telus router with the Time Capsule used as a wireless access point (bridge mode). I don't want the guest access point to have access to my network.
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If you can replace the Telus gateway with a simple modem (that performs no routing functions), you should be able to configure either the Time Capsule or the AirPort Extreme....whichever is connected to the modem....to provide a Guest Network. -
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