Running a network with Time Capsule and Netgear router - is it possible?

We have an iMac and a Toshiba laptop. I was wondering if it was possible to have a wireless network with a Time Capsule and our Netgear DG834G router. We live in a solid brick house and the Netgear router is upstairs and we find we get very little, if any reception from downstairs. We have just purchased the Time Capsule and we were hoping to move the Netgear downstairs and have the Time Capsule upstairs to get reception all over the house. Is running a network like this possible, and if it is, how do we do it. Both the iMac and the laptop need to be able to connect. Thanks in advance.

g'day
you could try a pair of those http://www.amazon.co.uk/Devolo-MicroLink-dLAN-Highspeed-Starter/dp/B000A7IE7Y
see if this thread can help you in your planning http://discussions.apple.com/message.jspa?messageID=10430294#10430294

Similar Messages

Extending a network with Time Capsule and AirPort Extreme (via Belkin powerline)

Hello -
I've seen many topics about extending wireless networks here, but none seems to resolve the issue I'm having. I currently have a setup where a DSL cable modem is connected to a Time Capsule and I need to extend this network to another room using an AirPort Extreme.
I live in a very old apartment in Brazil and the walls seem to block the signal from one room to another, hence the need to extend it. Since wireless signal is very weak between rooms, I bought a Belkin powerline AV500 so I could connect both Time Capsule and AirPort using the electrical power at home (just installing a regular Ethernet cable between rooms is not an option).
I started with the basics: configure the Time Capsule + DSL as a standalone network, and it works perfectly within it's range. Then I connected the Belking powerline, plugged a MacBook via Ethernet on the other end and still got very good results (actually better speed than expected). Used it for a while with streaming and other network intensive tasks to make sure it could sustain the connection.
Finally, pluggned the AirPort Extreme on the Belking powerline and this is where the problems started. AirPort Utility 6.3.1 only gives me the option of extending a network wirelessly - it doesn't seem to give me the option of extending it via Etherenet (roaming), which is not good in my case. Luckly I had a copy of AirPort Utility 5.6 which seems to do the job (or I thought so), but it's still not working well.
Although I managed to configure both with the same name, it doesn't seem reliable and some devices (the iPhone 5, for example) are unable to connect and end up with a self-asigned IP address. I'm almost sure I'm doing something wrong on the setup, as I've seen a similar setup working before, so if anyone out there has any clue of what can be done, it will be much appreciated.
Attached the screenshots of both Time Capsule and AirPort Extreme configurations.
Thanks a lot,
-TM
AirPort Exteme:
Time Capsule:

Hello JuliaApple. Welcome to the Apple Discussions!
You have several ways to configure both base stations for what you are trying to do.
The simplest would be to configure the Time Capsule (TC) to "join" (AirPort Utility > Manual Setup > Wireless tab > Wireless Mode = Join a wireless network) your existing 802.11n AirPort Extreme Base Station (AEBSn). In this type of configuration the TC would perform as any other wireless client and not perform as a router. It will; however, still allow for both backups and sharing USB devices attached to it.

Troubling extending wireless network with Time Capsule and Airport Extreme

I am trying to set up and extend a wireless network in my house, but it’s not working right. I have two Airport/Capsule units in the house:
2TB Time Capsule (Dual-Band II)
1 Airport Extreme (Dual Band)
I have the Verizon Fios router as my gateway to the internet, and also as my DHCP server. I have also tested the ethernet ports in my house to verify that they work, and that I can get a DHCP-issued IP address.
Now, my Verizon router has WiFI, and it’s still on. I am not using it though except to troubleshoot. So far as I understand, this should not cause a problem.
Base station setup
So I setup the TC to Create A New Wireless Network, on the ethernet network it’s on (Dlink switch plugged into Verizon router). I set it up in Bridge Mode (as opposed to having it dole out IPs, since the Verizon router does this already). The TC gets a valid IP, and my wireless device connect to it without a problem. I have checked “Allow this network to be expanded” under Wireless settings.
Extended station setup
The AE Dual-Band is plugged into the Ethernet, and is reset to Factory Settings. I name it “Airport Extreme 2” and I chose “I want Airport Extreme to join my current network.” The other two options are: “I want to create a new wireless network” and “I want to replace and existing base station or wireless router with Airport Extreme.”
I chose to “join,” I select “I want to connect Airport Extreme to my network using Ethernet to extend my existing wireless network.” The other options are to disable wireless entirely, or to “wirelessly join my current network.” On the next page it asks me to select the device or network that the Airport Extreme will connect to using the Ethernet. I set it to the Time Capsule.
Results:
Access near the Airport Extreme 2 is incredibly slow. Speedtest shows I am getting less than 1Mbps. Worse yet, my mail client won’t connect. It just times out.
What I had hoped was that the AE would connect via Ethernet to the network, and just bring the wireless network to the other side of the house. Instead it almost seems as though it is just re-amplifying the TC’s signal. Otherwise, why is performance so bad?
Thanks to anyone with some insight here!

Hello Kennuff. Welcome to the Apple Discussions!
Since you have the ability to connect all of the routers by Ethernet, there is no need to configure the Time Capsule (TC) & 802.11n AirPort Extreme Base Station (AEBSn) for a dynamic WDS (aka, extending a network). This option is only when the routers do NOT have an Ethernet connection between them.
Instead, you want to configure the TC & AEBSn in a "roaming" network. I suggest starting by performing either a "hard" or "factory default" reset on both.
Next be sure that both the TC & AEBSn are on the same Ethernet subnet coming from the Verizon-supplied router.
Configure the TC & AEBSn as follows:
AirPort Utility > Select the TC or AEBSn > Manual Setup > AirPort > Wireless
o Wireless Mode = Create a wireless network
o Allow this network to be extended: <not checked>
o Radio Mode: <leave the default or if you require a specific mode make sure both routers are configured the same>
o Wireless Security: <configure both routers the same>
AirPort Utility > Select the TC or AEBSn > Manual Setup > Internet > Internet Connection
o Connection Sharing = Off (Bridge Mode)

How can i extend a wireless network with time capsule

How can i extend an existing wifi verizon wireless network with time capsule? the router is connected on the bottom floor. want to boost the signal to a home office on the top floor, four flights up. connect time capsule via ethernet cable to iMac on 4th floor? Do I have to start a second wifi network or can I set it to just boost the one I have? thank you

How can i extend an existing wifi verizon wireless network with time capsule?
It all depends on what you mean by "extend".
If you plan to "extend" by connecting the Time Capsule to the Verizon router using a wired Ethernet cable, this can be accomplished.
If you were hoping to connect the Time Capsule to the Verizon router using wireless only, unfortunately the Time Capsule and Verizon products are not compatible for that purpose.
Check with Verizon to see if they offer an "extender" or "repeater" that could be located very close to the Time Capsule.
This would provide both more wireless coverage and also allow you to connect the Time Capsule using an Ethernet cable from the "extender" or "repeater".

I'm trying to extend my wifi network with time capsule but it can't find the existing wifi network

I'm trying to extend my wifi network with time capsule but it can't find the existing BT wifi network even though it is there with a good signal strength. The Time Capsule is connected to a Netgear router via ethernet.

You will need to start over on the setup of the Time Capsule as follows:
Disconnect any Ethernet cables that might be connected to the Time Capsule, but leave it powered on
Hold in the reset button on the back of the Time Capsule for 8-10 seconds and release. The reset button is located next to the AC power socket.
Allow a full minute for the Time Capsule to restart to a slow, blinking amber light
Connect the Ethernet cable from a LAN <--> port on the Netgear to the WAN "O" port on the Time Capsule. The Ethernet cable must remain connected at all times.
Click the WiFi icon at the top of the Mac's screen
Look for a setting of New AirPort Base Station
Click on Time Capsule
The example below shows an AirPort Express. You will see Time Capsule on your screen.
That will get the setup wizard going. It will take a minute to analyze the settings, then display a screen that looks like this, except you will see a picture of the Time Capsule
Network Name..........Type in the exact name that the Netgear wireless is using
Base Station.............Type in a name that you want to call the Time Capsule. Use something short and simple. Mine is TC, for example
Password..................Type in the exact password that the Netgear wireless requires
Verify.........................Verify the Password again
Click Next
The setup wizard will configure everything for you automatically. When you see the message of Setup Complete, click Done.
That's it. Now you have one big "extended" network. Technically, this is called a "roaming" network.

Backing up Mac HD with Time Capsule AND an external hard drive

I am sure that this question has been asked one way or another but I can't seem to find the exact answer.
I would like to back up my Mac HD with the Time Capsule AND another hard drive essentially to create two backups. Should one fail, I still have another copy as a precaution. The Time Capsule will be my primary back up because my external hard drive is usually switched off and will only be turned on from time to time to perform "less frequent" backups.
With Time Capsule AND the external hard drive on, will Time Machine just update the backup on the external hard drive without becoming confused with the other copy on Time Capsule? In other words, can Time Machine distinguish between two different Time Machine Backup files and bring them up to date accordingly?
I understand there is an archive function on the Time Capsule, which would also serve the purpose. However, I am wondering if there is another way.
Thanks.

Rheopaipo wrote:
I am sure that this question has been asked one way or another but I can't seem to find the exact answer.
I would like to back up my Mac HD with the Time Capsule AND another hard drive essentially to create two backups. Should one fail, I still have another copy as a precaution. The Time Capsule will be my primary back up because my external hard drive is usually switched off and will only be turned on from time to time to perform "less frequent" backups.
With Time Capsule AND the external hard drive on, will Time Machine just update the backup on the external hard drive without becoming confused with the other copy on Time Capsule? In other words, can Time Machine distinguish between two different Time Machine Backup files and bring them up to date accordingly?
I understand there is an archive function on the Time Capsule, which would also serve the purpose. However, I am wondering if there is another way.
I don't think it's possible to configure Time Machine to back up to two locations without modifying its settings frequently.
You might consider using that external drive to hold a bootable backup. You can create such a thing with either of the utilities SuperDuper! or Carbon Copy Cloner. If you pay the registration fee for SuperDuper! (~US$28), there's a mode where it will back up only what has changed, which makes the backup operation run quicker. (Carbon Copy Cloner may offer a similar feature.)

My start up disc is full i have a macbook air, i back everuthing up with time capsule and have movies all my music libraries and photos onto that too so as i have free space, but my max still says my startup disc is full with "other"

my start up disc is full i have a macbook air, i back everuthing up with time capsule and have movies all my music libraries and photos onto that too so as i have free space, but my max still says my startup disc is full with "other"

First, empty the Trash if you haven't already done so. Then reboot. That will temporarily free up some space.
According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation. You also need enough space left over to allow for growth of your data. There is little or no performance advantage to having more available space than the minimum Apple recommends. Available storage space that you'll never use is wasted space.
If you're using Time Machine to back up a portable Mac, some of the available space will be used to make local snapshots, which are backup copies of files you've recently deleted. The space occupied by local snapshots is reported as available by the Finder, and should be considered as such. In the Storage display of System Information, local snapshots are shown as "Backups." The snapshots are automatically deleted when they expire or when free space falls below a certain level. You ordinarily don't need to, and should not, delete local snapshots yourself.
To locate large files, you can use Spotlight as described here. That method may not find large folders that contain a lot of small files.
You can also use a tool such as OmniDiskSweeper (ODS) to explore your volume and find out what's taking up the space. You can delete files with it, but don't do that unless you're sure that you know what you're deleting and that all data is safely backed up. That means you have multiple backups, not just one.
Proceed further only if the problem hasn't been solved.
ODS can't see the whole filesystem when you run it just by double-clicking; it only sees files that you have permission to read. To see everything, you have to run it as root.
Back up all data now.
Install ODS in the Applications folder as usual.
Triple-click the line of text below to select it, then copy the selected text to the Clipboard (command-C):sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window (command-V). You'll be prompted for your login password, which won't be displayed when you type it. You may get a one-time warning not to screw up. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
I don't recommend that you make a habit of doing this. Don't delete anything while running ODS as root. If something needs to be deleted, make sure you know what it is and how it got there, and then delete it by other, safer, means.
When you're done with ODS, quit it and also quit Terminal.

How can I set up a guest WiFi network using Time Capsule and Airport Express extension?

How can I set up a guest WiFi network using Time Capsule and Airport Express extension?

Sorry, but it is not possible to "extend" the Guest Network using either wireless or an Ethernet connection.

Time Capsule and Linksys Router Issues

The internet cable is connected to the WAN port and the Time Capsule is connected is to one of the ports of the Linksys router. I can successfully backup my MacPro and use the internet for Mail and Safari.
I want to take advantage of the high speed ethernet performance of Time Capsule. However, I don't know if the Time Capsule is really faster than my Linksys router. Where do I get this information? I suspect the Time Capsule is much faster because I just purchased the Time Capsule. The router is at least 5 years old.
In spite my concern about the speeds of the Time Capsule and Linksys router, I tried to attach the Time capsule as recommended by Apple for a "first time set up." It failed. The Time Capsule using the AirPort Utility cannot make a network connection. I reestablished the devices as given in paragraph one. WiFi runs again.

Ethernet speed on your local network is determined by the slowest connected device which most likely will be the LinkSys router or your computer.

I am frequently unable to join the internet or it runs very slowly. I have a Time Capsule in my LAN. Are there any compatibility issues with Time Capsules and any ISPs?

I am frequently unable to join the internet or, if I can, it is exceptionally slow. The ISP says nothing is wrong ontheir end. Are there any compatibility issues with any ISPs when using Time Capsule and/or iMacs?

Tried this several times to no avail. I believe it is the ISP causing the problem...Time Warner.

Time Capsule and Netgear Powerline

I have a 2TB Time capsule and need to extend my network (wired) through HomePlugs. I have had the Netgear Powerline recommended but have noted in the blurb that they are 'not Mac compatible'.
Will they work with my TC and is it simply just a case of plugging them in and they work or is there anything else I need to do settings wise on the TC?
If these will not work can anyone recommend otheres that do and also walk me through the settings I will need to change 9in very simple steps as I am a bit thick ).
Thanks in advance for any help.

Everything works. Follow directions for extending your wireless network at:
http://support.apple.com/kb/HT4259
Notes:
I first connected the Time Capsule directly to the AirPort Exteme to avoid any powerline networking issues. This allowed both the time capsule and airport extreme to show up in the AirPort Utility program.
Ensure that in the AirPort Extreme's wireless settings, "Allow this network to be extended" is enabled/checked before you modify the Time Capsule's settings; the "allow... extended" checkbox might not be visible if you are not directly connected as a client to the AirPort Extreme (it is not visible after setup when you are a client of the time capsule extender).
The Time Capsule network setup is easiest if you follow the dialogs instead of doing it manually.
I now have cable modem->ABEX->Netgear HomePlug-> Netgear XAV1004 switch-> Time Capsule->extended wireless network->laptop. The powerline adapter signal is running from a new house addition built in 1999 through a sub-panel circuit breaker to a main circuit breaker out through 1940s-era wiring, and everything works perfectly, including Time Machine backups from machines on both sides of the powerline adapters.
@LaPastenague: I haven't detected any ports blocked by my Netgear powerline adapter, nor could I find any port blocking topics via an internet search. I have never installed any of the Netgear management software, so my powerline adapters are not running any encryption... maybe encryption comms cause the issue you raised? I really doubt the Netgear PowerLine adapters block any host-specific ports because the adapters are working at the physical and data-link layers which are below the port assignments in the transport layer of the OSI model.

Extend FiOS wireless network with Time Capsule

I have a FiOS wifi router and a 1TB TC (with latest firmware 7.6.3). I'd like to extend the wireless network to cover some dead zones. I've run ethernet from the LAN port on the router to the WAN port on the Time Capsule, and it's getting an IP and internet connectivity. However, when I follow the Apple instructions to extend a wireless network, I get the warning error "unable to extend network" and the flashing orange light. I've confirmed the SSID and password are correct and match the FiOS SSID and password, and I've confirmed that the TC is in bridge mode. I've also logged into the FiOS router and confirmed it's assigning IPs to the wired and wireless componets of the TC, and recognizes the wireless is in bridge mode. Any suggestions?
I've got it working currently as a separate SSID, but it's just a pain to have to jump from weak-network1 to TC-network2 whenever I'm in a dead zone. Thanks in advance!

Check to make sure that you have the TC configured to.....
Create a wireless network (not "extend".....as that is only used for wireless extension and you are using Ethernet)
Use the exact same wireless network name (SSID) as the FIOS router
Use the exact same type of wireless security that the FIOS router is using (Make sure that this is not WEP) It should be WPA2 Personal or WPA/WPA2 Personal.
Same wireless password as the FIOS
Bridge Mode configuration
Unless everything matches up correctly, you will have two separate networks that require two separate log ons.
Configured correctly, you will have a "roaming" network. Your Mac will automatically switch over to the wireless access point with the best signal quality as it moves from one area to another.

Wireless Network with Time Capsule -- 2 Questions (5 GHz? 2nd Network?)

Hi all:
First off, thanks to all of you for being there. Apple Discussion Boards are the best!
OK, to start with, here's my gear list:
-iMac 27" QC (bought Dec. '09), 2.8 GHz, 8 GB RAM, running 10.6.4
-Time Capsule 802.11n, 1 TB (bought April '10)
-Airport Express 802.11n (bought April '10)
-iPad
-iPhone 4
So I set up the Time Capsule a few months ago, and paired it with my iMac and with the Airport Express (to stream AirTunes), and everything has been working fine.
The iPad and iPhone are also working fine. (In Airport Utility > Advanced > Logs, the iPhone shows a rate of 72, signal -60, and noise -94. And the iMac shows a rate of 300, signal -47, and noise -96. Don't know if that is good or bad or normal.)
So, here are my questions:
First, in Airport Utility > AirPort > Wireless > Wireless Network Options... should I check the box that says "5 GHz Network Name"? It is currently not checked. Would that increase performance? (All my devices - iPad, iPhone, Airport Express - are "n" devices, right? Does that mean I should check that box? Is that even an issue?)
Second, when I first set up my wireless network I named it "MP Network." But I notice in System Preferences > Airport > Advanced that there is another network that apparently was set up when I first set up the TC. Its name is "Apple Network" plus 3 letters and 3 numbers.
What is that? It doesn't show up anywhere else. Should I delete it? Is it using up bandwidth by being there?
(Both networks appear in that same place on System Preferences, and both are WPA2 Personal.)
Thanks to anyone for any input/advice. And apologies if any of the above is confusing.
Matt

+So it sounds like I should leave the network as is, right?+
Yes, this makes sense for most users. Some users sometimes have trouble with a new computer that sometimes connects to the 5 GHz network and sometimes connects to the 2.4 GHz network. They want the computer to always connect to the 5 GHz network so they assign a separate name to that network and configure their computer to connect to that network first.
+The iPhone being "g" does not reduce my overall performance, right?+
No, because it's using the 2.4 GHz band. Faster devices use the 5 GHz band.
+And my TC broadcasts dual band so the "n" devices get what they want and the "g" device gets what it wants...correct?+
Yes, but you need to remember that "n" devices can connect at either 2.4 GHz or 5 GHz.
+(The 300 Mbits/sec I am getting on my iMac is good, right? And is 72 for the iPhone good, too?)+
300 Mbps is outstanding. Most users average 220-270 with a good connection. The iPhone is a "g" device, which means it can operate up to 54 Mbps, so I'm not sure what you are seeing here.
+As for the other issue of the "out of the box" network name, I think I will delete it. (I am of the school that enjoys things clean and avoids unnecessary clutter!) But will that create any problems for me? Is it as simple as clicking the "-" (remove) icon in System Preferences > Network > AirPort tab?+
That's all you have to do.
I can't remember if the password for the Apple Network xxxxxxx is stored in Keychain Access.
Macintosh HD > Applications > Utilities > KeyChain Access
Look for a listing of the Apple Network xxxxxx and delete that entry if you want to remove all evidence of that network.

SOLVED: Dropped connections with Time Capsule and cable modem/router

I've been dealing with random dropped connections for quite a while and I thought that it would be useful to share what I've found.
I was having a very puzzling problem where my internet connection would drop randomly on wireless devices. On my laptop, webpages would suddenly become unresponsive for a minute or two, Mail would have connection problems and complain, etc...but incredibly randomly and definitely not repeatable or in any pattern that I noticed.
I also have 2 Nest thermostats in the house which connect via wi-fi. I noticed that they would randomly show Offline very often when viewed from a webpage or iPhone app, but the Nest front panels showed that they were connected with a strong signal.
As I said, the dropped connections were very sporadic. Most of the time, everything worked, but every once in a while...bam.
I worked with the level 3 tech support guys at Nest for over a week to figure out what was going on. We went through settings on my router and Time Capsule and everything seemed proper and okay. I even replaced the Nests with new ones but still had the same problem. We were all completely stumped.
Yesterday, my laptop dropped it's connection at the same time my wife's laptop dropped hers. At this point, I wondered if something was wrong with the Time Capsule or maybe my internet provider.
I called AppleCare to see if they could help with debugging the problem. They passed me up to a senior wi-fi tech and he asked me many questions about the configuration of my network. My home network looked like this yesterday (see crappy diagram below)
                                                     Motorola Cable modem/router
                                                                             |
                                                       Netgear multiport switch
                                                      |          |         |         |          |
                                                     hardwired Macs,            TimeCapsule (bridge mode)
                                                     laser printers,                   |   |   |   |   |
                                                      Apple TVs                       laptops, Nest, iphones
This configuration seemed correct to me. The Time Capsule in bridge mode would mean that the cable modem/router would be handling DHCP so all the devices would be on the same network and I could print from a laptop to one of my printers and the laptops could connect to the hardwired Macs, etc..
The AppleCare technician said he thought that bridge mode was the problem. He mentioned that there was a known issue that in this configuration, the IP addresses could get lost between the cable modem/router and the Time Capsule. He said it would be best if the Time Capsule was in DHCP/NAT mode and the first device before the switch, this way the Time Capsule was the only device passing out IP addresses.
So I repatched my network like this:
                                                   Motorola Cable modem/router
                                                                             |
                                                   TimeCapsule (DHCP/NAT mode)
                                                            |                                       |   |   |   |   |
                                    Netgear multipart switch                      laptops, Nest, iphones
                                         |         |         |        |
                                           hardwired Macs,
                                             laser printers,
                                               Apple TVs
I can tell you that in the past 24 hours, I haven't seen anything lose a connection. Not even the Nests which seemed be on and off all the time. And, in this configuration, all the devices are on the same network and able to speak to each other.
I hope that helps someone.

So you're saying that Bridge Mode not functioning properly is a well known issue?
Not to me.. I have not had issues with the TC in bridge. And it is my prefered setup. I think it is better as a wireless AP and network hard disk than a router any day of the week.. but there are other ways to skin the cat if it is proving unreliable. I am at the moment using a wireless bridge from the Gen4 TC to a Gen4 AE upstairs for TV internet streaming.. it started off very reliable.. but of late I guess I need to reboot it every few days. And it has required a full reset two or three times.. although I probably need to take some of the blame for those. I am not over worried.. i do not believe in wireless bridges except for the most interim of arrangements.. it will be wired in ethernet ASAP.
Wireless should always be used in a way that respects its status as voodoo.. not stable technology. NOT SCIENCE.. it is more a bag of beads and rattles.
Is there a way to change the cable modem/router to avoid the double NAT problem?
The answer to this may depend on your ISP. Did they provide the modem? If so they may lock it down so you have no control. But normally a Motorola cable modem will not have a bridge mode as such but will have a method of turning off NAT.. (and wireless).. this amounts to the same thing.
Once you turn off NAT.. you need to power cycle the modem so the TC gets the public IP in router mode. The power cycle time might be 5min or 20min or overnight.. it again depends on your ISP.. but you need to stop the modem capturing the public IP so it can be passed to the modem.
Depending on where you are in the world.. US is most concentration of cable network.. you can go out and buy your own modem. Pick one on your ISP list and steer clear of SB.. at least with the apple routers they are problematic.
It also can be a case that the cable modem is SB model and therefore more problematic. Sorry I have forgotten the recommendation for what to buy. There are a number of posts here about it but search is terrible now. (or I am too old to figure it out). I will get Bob to poke his nose in and tell you what works for him.

Problems wirelessly extending 5Ghz network with Time Capsule

Summary:
My Time Capsule wirelessly extends a 5Ghz "n" network provided by my Airport Extreme, but the Time Capsule frequently fails and stops providing Internet access to connected computers. I'm not sure if the problem is with the Time Capsule or with the Airport Extreme it's connecting to.
Setup:
Airport Extreme (dual band) connected to cable modem. It provides a 5Ghz "n" network and a 2.5Ghz "b-g-n" network. This is in the bedroom.
Time Capsule (non-dual band) joins the 5Ghz network and extends it. This is in the office, maybe 40 feet away, line-of-sight. There is a laser printer connected to the Time Capsule via ethernet.
My MacBook is set to join the 5 Ghz network, and since it's in the office, it ends up joining via the Time Capsule. This is the desired behavior, as connecting through the Time Capsule seems to result in the fastest possible backup speed.
There are no wireless devices, such as cordless phones, in the house. The microwave is NOT in use when the problems arise.
*The Problem:*
Frequently, the MacBook loses its Internet connection, though it is still connected to the 5Ghz network through the Time Capsule. When this happens, it can only see the Time Capsule it's connected through (and other devices that are connected to it) but no other devices on the network.
When this happens, other devices that are connecting to the 5Ghz network through the Airport Extreme can no longer see the Time Capsule or any devices connected to it, such as the laser printer or my MacBook. This includes the living room computer, which has never been able to complete a backup due to this problem.
The Time Capsule's and the Airport Extreme's indicator lights both stay green.
If I change the Macbook's connection to the 2.5Ghz network, it can see the devices connected to the Airport Extreme, but can no longer reach the Time Capsule.
*Unsuccessful Solutions:*
This was happening in a previous incarnation of the network, when I had a non-dual band Airport Extreme providing the main network, the Time Capsule connected via 5Ghz, and an Airport Express connected via ethernet to the Time Capsule to provide a b-g network.
I replaced the Airport Extreme with a new dual-band unit to simplify the setup, but it did not solve the problem.
Since the Time Capsule seemed to be the weak link in the network, I reported the problem and got the unit replaced, but the problem still persists.
I've reset both the Airport Extreme and the Time Capsule to their factory settings numerous times, and set them up again from scratch (no imported settings). I've gone in and made sure that there were no WDS settings leftover from the earlier configuration, as the 5Ghz network does not need it to extend itself.
*Plea for help:*
Is anyone else experiencing a similar problem?

Update
The other day, I modified the setup so that the Time Capsule doesn't extend the wireless network wirelessly, only through Ethernet (so the attached printer will work, but the computers will connect directly to the AEBS. The Time Capsule stayed connected long enough for me to do a full backup (125GB) from the downstairs computer.
I thought I had it "solved" (though extending the 5Ghz network would be preferable so the office computers can have faster backup speeds.)
But yesterday, I went to print to the Ethernet-attached printer, and it got only one page out before it disappeared off the network again, and the print job failed. I noticed it did it again, today.
So the problem is not tied to wirelessly extending the network.

Running a network with Time Capsule and Netgear router - is it possible?

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