Time Capsule + APE extension connection drop

Hi All,
I have a Time Capsule (Version 7.5) 1TB and an Airport Express (Version 7.4.2) to extend the 2.4 GHz network.
All works fine until either the Time Machine backup starts or a big file is copied over the extended network via the Airport Express to the Time Capsule. Then the network connection drops and the Time Capsule disk disappears from Finder. To recover either the Time Capsule or the Airport Express need to be rebooted.
To me it seems that the connection always drops when the data transfer rate reaches around 400kbps.
Any ideas?

I had this same problem on my brand new 2TB time capsule but seem to have resolved it by reverting the firmware back down to 7.4. Hope this helps.

Similar Messages

Unstable Time Capsule - Sporadic Network Connections Drop

I just had a belkin router in, and then I got the time capsule, I replaced the belkin and now no connection (wireless) is persistent. it connects/disconnects sporadically.. Plain ridiculous....any clues?
This is the wifi setup....all wireless here

The Radio Mode that you have chosen.....802.11a --- 802.11b/g.....will only allow an older "a" device to connect to the 5 GHz network.
You might want to consider having this setting at 802.11 "a/n", or 802.11 "n" only. Then faster "n" devices will be able to connect to the 5 GHz network. As it stands, you are forcing any "n" device that you have to try to connect to the "b/g" network. If it connects, it will do so at much lower speeds.
"a" devices will only connect at 54 Mbps (same speed as "g" devices), so I'm not sure what you are hoping to gain in having the 5 GHz network setup so only "a' devices will connect.
Maybe I am missing something. Can you clarify here?

My 1st Generation time capsule won't connect to the internet thru a new motorola sb6121 - get continuously flashing yellow light. Using a router in between the modem and capsule yields good but slower connection to internet. Any thoughts?

My 1st Generation time capsule won't connect to the internet thru a new motorola sb6121 - get continuously flashing yellow light. Using a router in between the modem and capsule yields good but slower connection to internet. Any thoughts?

Thanks for your response
Let me give the history - I started with an Apple Express being fed thru a D-Link EBTR 2310 cable Router from an RCA DCM315 Modem (Pure). Comcast service all the way.
Got the 1st generation TC in 2008 and merely replaced the Airport Express with the TC. Worked ok
A year or two ago I did try removing the modem and feeding the TC directly from the modem. Resulted in the same condition I have now - Continuous flashing amber on the TC. So I put the router back in the chain.
Some time later, at the recommendation of a Comcast rep, I replaced the router with (a Belkin F5D 5231) to see if speed and dropout problems would be improved. I thought it helped some at the time but now I am not so sure.
Last week I decided to see if a new modem would help with download speeds. So I got another pure cable modem (Motorola SB 6121- high on the Comcast recommended list).
Got up and running easily with Comcast help and with the modem connected directly to a computer.
Next I put the TC in the link and again could not get past the TC continuing to flash amber. Although I did get connected to the internet with this configuration I lost connection two both of my printers - one connected by USB and the other wirelessly to the TC. Again everything works fine when I put the Belkin router back in the system.
However with the router in there, the modem shows the downstream connection to be 10/100 ethernet speed. (Modem light changes color for indicating speeds.}
I have gone thru all of the combinations of powering down/ up, but all stays the same.
I can live with what I have but something still doesn’t seem right.
Thanks again

External drive conntected to Time Capsule keeps losing connection

I've been having this problem since I bought my TC over one year ago. Other than this everything works fine (aside from the occasional need for a restart).
I have an external 500GB drive attached to my 500GB TC via usb. I use the TC strictly for backups and the other drive to host my media files. When I want to use those files I switch on the drive. Only about half of the time does that work. When it does work everything is fine. I see the drive in the finder as expected.
When it doesn't work, I can see the drive name in the finder. But if I click to go into the folder, I get an error saying that the connection cannot be found.
It shows up in the Airport Utility as normal.
Powering the drive off and on does not help.
Relaunching the finder doesn't help either.
The only way I can connect to the drive again is to either logoff and log back into my mac, or restart the TC.
It seems that my computer is remembering some kind of network disk mounting settings that don't get refreshed when I turn on the drive, but then do get refreshed when I logoff and back in. Does anyone know how I could force that refresh to happen? Has anyone had this problem before?
Any suggestions would be much appreciated
PS all my software and firmware are the latest.
Thanks.

OS X fan
This helped meRe: Time Capsule keeps losing connection in Finder
Dec 17, 2013 4:08 AM (in response to whootang12)
Left click on the Finder icon from the Dock and click "Connect to server...", go to recent server and click on your Airport Time Capsule.
THANK YOU!!!!
This solved it for me!

I want to transfer files from a Win XP PC to a Mac using Time Capsule via Ethernet connection. Is this possible?

I want to transfer files from a Win XP PC to a Mac using Time Capsule via Ethernet connection. Is this possible?

Sure.. the PC connects by SMB.. the Mac connects by AFP or SMB..
But you can simply share SMB directly from the Mac.. there is no need to copy files through the TC. Go to system preference, sharing, and turn on SMB for the folder you want to share files to / from on the Mac.
Make sure you have a common username and password also helps.
If you have a TC already can you copy files to it via the windows machine??

Wired Time Capsule is loosing connection with my 1 gigabit connected MacPro

I have MacPro connected with my Time Capsule 1TB disk.
MacPro is connected with Cat 6 50 feet cable so a 1 gigabit wired connection.
before i had a Netgear GS 608v2 Switch in between. But I removed that to see if that would solve my issue.
But the issue has now happened 6 times now:
I start to backup and after a while the Time Capsule hard disk disconnects (the internet keeps on working fine) because i have an an audio streaming playing at the same time.
I have MacOS 10.5.2 and everything is updated to latest versions . My Macmini G4 has been copied fine so far. But my MacPro keeps on failing.
In my system.log I get following errors:
Apr 13 16:00:44 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: doing reconnect on /Volumes/MVO's Time Capsule-1
Apr 13 16:00:44 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/MVO's Time Capsule-1
Apr 13 16:00:50 Quad-Raid kernel[0]: AFP_VFS afpfs_Reconnect: posting to KEA EINPROGRESS for /Volumes/MVO's Time Capsule-1
Apr 13 16:00:50 Quad-Raid KernelEventAgent[98]: tid 00000000 received VQ_NOTRESP event (1)
Apr 13 16:00:50 Quad-Raid KernelEventAgent[98]: tid 00000000 type 'afpfs', mounted on '/Volumes/MVO's Time Capsule-1', from 'afp_0TSQUm0Xl2BJ00mmYF0Pyetl-1.2e00000a', not responding
Apr 13 16:00:50 Quad-Raid KernelEventAgent[98]: tid 00000000 found 1 filesystem(s) with problem(s)
Apr 13 16:00:50 Quad-Raid loginwindow[97]: 1 server now unresponsive
Apr 13 16:00:55 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect on /Volumes/MVO's Time Capsule-1 failed 51.
Apr 13 16:00:55 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/MVO's Time Capsule-1
Apr 13 16:00:59 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect on /Volumes/MVO's Time Capsule-1 failed 51.
Apr 13 16:00:59 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: sleep for 1 seconds and then try again
Apr 13 16:01:00 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/MVO's Time Capsule-1
Apr 13 16:01:04 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect on /Volumes/MVO's Time Capsule-1 failed 51.
Apr 13 16:01:04 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: sleep for 2 seconds and then try again
Apr 13 16:01:06 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/MVO's Time Capsule-1
Apr 13 16:01:09 Quad-Raid dnsupdate[113]: Caching external address
Apr 13 16:01:20 Quad-Raid loginwindow[97]: 1 server now unresponsive
Apr 13 16:01:41 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect on /Volumes/MVO's Time Capsule-1 failed 51.
Apr 13 16:01:41 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/MVO's Time Capsule-1
Apr 13 16:02:09 Quad-Raid dnsupdate[113]: Caching external address
Apr 13 16:02:16 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect on /Volumes/MVO's Time Capsule-1 failed 51.
Apr 13 16:02:16 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/MVO's Time Capsule-1
Apr 13 16:02:51 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect on /Volumes/MVO's Time Capsule-1 failed 51.
Apr 13 16:02:51 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/MVO's Time Capsule-1

Sorry but this doesn't help, because this article is talking about streaming to Airport Airtunes, but my problem is that Time Machine stops backing up after a while because the Time Capsule isn't connected anymore. Because the Time Capsule is disconnected:
Here just my 8th attempt to backup with Time Machine:
Apr 13 20:52:23 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect on /Volumes/MVO's Time Capsule-1 failed 60.
Apr 13 20:52:23 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/MVO's Time Capsule-1
Apr 13 20:53:10 Quad-Raid dnsupdate[113]: Caching external address
Apr 13 20:53:38 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect on /Volumes/MVO's Time Capsule-1 failed 60.
Apr 13 20:53:38 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/MVO's Time Capsule-1
Apr 13 20:54:10 Quad-Raid dnsupdate[113]: Caching external address
Apr 13 20:54:53 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: connect on /Volumes/MVO's Time Capsule-1 failed 60.
Apr 13 20:54:53 Quad-Raid KernelEventAgent[98]: tid 00000000 received VQ_DEAD event (32)
Apr 13 20:54:53 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: max reconnect time reached 646 > 600 /Volumes/MVO's Time Capsule-1
Apr 13 20:54:53 Quad-Raid KernelEventAgent[98]: tid 00000000 type 'afpfs', mounted on '/Volumes/MVO's Time Capsule-1', from 'afp_0TSQUm0Xl2BJ00mmYF0Pyetl-1.2e00000c', dead
Apr 13 20:54:53 Quad-Raid kernel[0]: AFP_VFS afpfs_DoReconnect: posting to KEA to unmount /Volumes/MVO's Time Capsule-1
Apr 13 20:54:53 Quad-Raid KernelEventAgent[98]: tid 00000000 found 1 filesystem(s) with problem(s)
Apr 13 20:54:53 Quad-Raid kernel[0]: AFP_VFS afpfs_unmount: /Volumes/MVO's Time Capsule-1, flags 524288, pid 98

Time Capsule and Ethernet Connection

Switch Time Capsule To Wired Connection
I have a Time Capsule (sometime in 2010) that I use to have wirelessly connected to my iMac (May 11). Recently I connected the iMac via its ethernet port to one of the ethernet ports on the TC. The TC is my LAN wired and wireless router and works great for the Internet. Yes, DHCP is enabled. I have turned on my wifi for the iMAC since I want it only via ethernet.
However, now I do not see the Time Capsule on my desktop anymore.
SInce I previously have configured the Time Capsule to "join a wireless network", do I have to reset everything to get TM to work with TC via wired? Is there a way to do it without resetting TC?
Any help would be great,
Thanks
Brian

If you use wireless to get in, then simply turn off the join a wireless network and go back to the original setup.. but resetting to factory is no big deal .. it will not do anything to your backups.. you will just need to redirect the imac where the backup drive is.

Time Capsule losing DSL connection

I have the following problem: my Time Capsule loses internet connection every 2-3 days. It is connected to the internet via D-Link DSL-300G modem, and I have several wireless devices that connect to the TC. I am quite sure that the problem is with the TC and not the modem.
Basically, every 2-3 days, the wireless devices suddenly cannot find any web-sites anymore and just show "Looking for ..." message when trying to load a web-site, but they remain connected to the TC wireless network. The light on the TC remains solid green, and the lights on the modem indicate that everything works properly.
Restarting the TC through the AirPort utility from my laptop does not help. The only thing that works is to disconnect and re-connect back power to the TC.
Before the TC, I was using a Linksys wireless router with the same D-Link modem without any problems.
The TC settings in the AirPort utility are as follows:
Internet Connection
Connect Using: Ethernet
Ethernet WAN Port: Automatic (Default)
Connection Sharing: Share a Public IP address
TCP/IP
Configure IPv4: Using DHCP
NAT
Enable NAT Port Mapping Protocol is checked
I appreciate your help.

Welcome to the discussions!
You already have all of the correct configuration settings for the TC, so there are really no other options in this regard.
+I am quite sure that the problem is with the TC and not the modem.+
In that case, you're only option is to try a replacement TC to see if that will perform better for you. Apple may likely ask you to connect your computer directly to the modem for a few days to see if you have any connection difficulties with that type of configuration.
If you do, then the modem may be showing its age or the service providers cabling to your house may need to be repaired or replaced. If the connection remains stable, then you have a strong case to ask for a replacement TC.

Time Capsule won't connect PC to the Internet

I'm sure there's something simple that I'm not doing but I can't get my PC to pick up the Internet from my Time Capsule. The TC is wirelessly connected to a BT HomeHub and is backing up my MacBook over Time Machine but why won't my PC, which is connected to the TC via an Ethernet cable, pick up the Internet?
Am I trying to get it to do something that just can't be done? Once TC is joined to another network, can it not then act as a bridge via an ethernet cable to provide internet access?!
I've wasted many an hour trying to get this to work, but to no avail.

Did you happen to upgrade to 7.6.3 on the TC?
That would be pretty funny if the new firmware causes all non-apple wireless products to drop out.
I think we could get a very big fight going over such a thing.
Although I don't know the reason.. apart from that dreadful firmware.
Apple names are a problem.. why it should hit now after working fine I am not sure.
But you need to do a full factory reset to the TC.
Then give it all SMB compatible names.. (ie comply with windows networking).
That means short, no spaces, pure alphanumeric.
That will include TC network name, wireless names (different name for 5ghz) and hard disk share name.
You should use WPA2 Personal security. With a pure alphanumeric passkey of 10-20 characters.
Use fixed wireless (radio in Apple Speak) channels. For 2.4ghz there are only 3 non-overlapping. 11, 6, 1 and test them in that order. 5ghz doesn't usually matter so much but test down low.. say channel 40 and up high 157.. or ones near that in your country.
Tell me if you still have issues..
And go back to 7.6.1 firmware. Hold down the option key and select previous firmware if you are on 7.6.3

Using Time Capsule with Windows 7. Won't work when modem connected directly to Time Capsule, must be connected through another router.

Apple Time Capsule working with Windows 7 PC will not work when modem is connected directly to the Time Capsule. Only when a Cisco Linksystem is connnected inbetween the modem and the Time Capsule.

Sorry but it needs much more specific info than this..
What modem? Is it cable or adsl or some other?? Is it pure modem or broadband router included?
Cable has specific issues different to adsl.
If you used to use the Cisco/linksys router.. and have not reset the cable modem it will not work. Turn off the cable modem.. it must be powered down.. if battery backup drop out the battery. Remove the coax cable.. get it off. Power down everything else in the network.
Plug in the modem to the TC wan port.
Power up the modem.. wait 2min
Power up the TC.. wait 2min
Power up the clients.
If it has worked you will now be able to open the airport utility on the windows computer and see the TC has a public ip on the WAN port. If not redo the whole thing but leave the modem off.. 15min.. 1 hour.. 1 day.. ring the cable company and ask them to reset. Usually a few minutes is enough.
If you have a modem with combined router.. then bridge the TC. Just google search it.
For other combos.. tell us specifics..

Ethernet Between Extreme and Time Capsule Causes TC to drop off network.

This stumped Apple Support:
Set up.
Basement (where service enters the home):
CABLE MODEM ===> AIRPORT EXTREME (router and wifi) I have my Directv SWM Ethernet connected here.
I have an Ethernet cable run from here to my upstairs office.
Upstairs Office:
TIME CAPSULE ===> Ethernet to each of three IMACs (which back up to the TC)
Various AP Express for music and wireless extenders.
Here is my issue. All of the components work perfect when the AP Extreme, TC, and AP Express(es) are on WIFI.
When I try to connect the TC to the Extreme over Ethernet the TC drops off the network.
(This happens with or without the Directv connected)
This is frustrating because I hate losing the speed to my imac's by using wifi vs. Ethernet.
Any help would be appreciated.

Close AirPort Utility if it is open.
With the TC powered on, hold in the reset button on the back of the TC for 9-10 seconds and then release. Allow a full minute for the TC to restart to a slow, blinking amber light.
Connect the Ethernet cable (I assume that you have already tested to make sure that it is working correctly) to the WAN "O" port on the TC.
Click the AirPort icon at the top of the screen and wait a minute for a listing of New AirPort Base Station to appear. Just below that, click directly on Time Capsule.
(The example below shows an AirPort Express. You will see Time Capsule instead of AirPort Express)
AirPort Setup will open automatically and take a minute to analzye the network, then announce that the TC will be configured to "extend" the network.
Enter a device name that you want to use for the Time Capsule and click Next
You should now see a message that the TC is being configured to "extend" the network "using Ethernet"
Wait another minute. When you see the messge of Setup Complete, click Done. That's it.

Time Capsule Range Extension With Linksys?

I just bought a new Time Capsule to enable family automated back-ups and networked storage. I replaced a Linksys router as the main router for the house and now I have lost wifi range - particularly in the room where we sit to stream video!! I don't have another cable connection in the house to add another router unfortunately. Is there a way I could use my linksys router to wireelssly extend the Time Capsule range? If so - can anyone point me to a layman's guide for setting this up? I have searched the forums but the basics don't seem to be available. Thanks in advance for any help.

The answer is basically no, Apple make their routers to work with Apple routers.. and all others are excluded from the club.
But do you know how many models Linksys make? Over the years it must come to several hundred. Apple make 3 routers.. so it is kind of easy.. and they all play nicely together. Linksys makes/made hundreds and they don't even work with each other let alone every other brand.
To work with Apple router it will need universal repeater mode.. this is almost never available in Linksys firmware. But third party firmware like dd-wrt will sometimes work.
Check the listing if your model linksys works. http://www.dd-wrt.com/wiki/index.php/Supported_Devices
Overall though universal repeater is not the best way to do things. It is not particularly stable or fast because all packets are double handled.. being received and retransmitted.. halves the speed.
So the easy way to fix the problem is another apple router.. it will slot in without any hassles and extend wireless.
That is still slower than direct wireless, because it still double hops the wireless.
So other solutions.
1. Wire it.. even if you don't have another cable connection now.. to stream video ethernet is the winner hands down. Nothing else comes close.
2. HomePlug or what we call EOP adapters. Send ethernet over power. These work better than wireless if you have same circuit or even via a fuse box.. they can be slow if the house uses breakers instead of fuses.. they require direct power point connection.. and single phase.. but if it does work, it is stable and doesn't drop out and change from day to day the way wireless does.
3. If the Linksys was working ok and you could stream over wireless to the areas you needed it. Then clearly the TC is not the right product for you or it is in the wrong role. Put the Linksys back as the main router and bridge the TC to it.. so it no longer is main router, but simply another WAP and network switch.. It can still do TM backups fine.
4. Alternatively setup the Linksys as a secondary WAP plugged into the TC by ethernet. It is good to space them a few feet apart.. so get a decent length ethernet patch cord and run the linksys in WAP mode if it has one.. or wan bypass if it doesn't. All wireless routers effectively can work as merely a WAP. (wireless access point) Set the IP address correctly .. for example plugged into a TC at default, set linksys to 10.0.1.250 and turn off dhcp. Plug LAN to LAN. Then you can set a fixed channel for wireless say 11, and leave the TC to use one of the other channels.
I can give more info if you need on setup of either of these.

Time Capsule Questions? Connecting Powerbook Directly to TC.

The sales guy at Apple Store said I can connect my powerbook to he Time Capsule with a ethernet cord and use it like a firewire cord for the first Time Machine Back up. I have about 75GB on my laptop - if I have to back that up all wirelessle, how long is that going to take? A week?
I am also not seeing any possible way to do this in the little manual it came with.
For the first initial massive backup (in my case 75GB) are you supposed to let it do it wirelessly?
Thanks!

Thanks! I figured it out with the help of support. Yes I connect it directly from the ethernet port on my MacBook to one of the LAN ports on the TimeCapsule (not the one with the circle of dots - that's the WAN port).
I then had to go into the airport setup assistant and re-configure for an ethernet connection and re-start the TimeCapsule.
You then have to go under the "Go" menu in the finder and select "Network". The time capsule should then show up and you have to log in to is using the password you initially gave it.
You are then connected and it's as easy as dragging and dropping.
You can also do this over the wireless network as well and even have your iTunes library there.

Why does wireless on my Time Capsule (2TB, 3rd Gen) drop the wireless network now?

Starting a couple of weeks ago, my Apple Time Capsule (2TB, 3rd Gen) has been dropping the wireless network almost daily. I end up pulling the power cord to restart it. I've had the device for what I think has to be about a year and a half already, and it's been working flawlessly until now. I have it on 802.11N (dual-band), using WPA2, with an average of about 7-8 client devices at any one time throughout our home. The problem doesn't appear to be any one client, since all lose connectivity at the very same time. The Time Capsule LED is still green when it's down, and again restarting it solves the problem. The device is out in a well ventilated area, and doesn't feel like its overheating. Devices using Ethernet to connect are unaffected (other than losing visibility to wireless network elements). It can occurn at any time, day or night, seemingly at random. The Airport Utilty advises that I have the latest firmware version (7.5.2).
Anyone have any idea whats going on? Having similar problems? Fix, workaround, suggestion?

Try setting the wireless to manual and fixed channels.. the auto channel swapping does cause issues.. I would also give different names to 2.4ghz and 5ghz so you know clearly which wireless you are connected to.
But sometimes they do just go bad.. power supply is not robust. They do become unreliable.

Time Capsule can't connect to the internet

Hi,
I've looked around these forums and can't seem to find a solution to my (quite specific) problem. I'll try to be as clear as I can - I'm not bad on computers, but network stuff goes way over my head.
I've just moved to Moscow, bringing my TC with me. When I arrived, the landlord had set up broadband for me, with a Motorola SB5101E Surfboard Cable Modem. I plugged the modem into my Macbook via Ethernet (no TC involved yet) and I got on the internet straight away.
Later, though, I tried to hook the modem up to my TC to get wi-fi. I plugged the Ethernet cable into the WAN port on the back.
Straight away, I had no internet access. I did a hard reset (pen on the small button on the back of the TC) and used Airport Utility to set the TC up again. Before it completed, I got the message:
'Your Apple wireless device does not have a valid IP address'.
I hadn't played around with any of the settings, using it purely to create a new wireless network. It was all set to DHCP, automatic everything.
IP address currently starts with 169.
I've tried powering down both modem and TC, for up to 12 hours at one point. I've also tried reconnecting them in various orders - ie modem first, then TC, and vice versa.
None of this is made any easier by the fact that I have no idea who my ISP is or any of that info as I have no Russian yet and my landlord doesn't speak any English.
So... is there anything anyone can suggest? I'm sorry that I can't give any more info than I have.
Thanks in advance

Welcome to the discussions!
Cable modems need a complete reset whenever the device that is directly connected to them is changed.
Power down the modem and pull the battery if it has one. Wait at least 30 minutes. (It may take your service much longer to reset).
Power down the rest of your system as well. When you are ready, power up the modem and let it run for 10-15 minutes. Then, power up the Time Capsule and let it run for 5-10 minutes and finally your computers.
If your modem has a single ethernet port, then Connection Sharing for your Time Capsule should be set to "Share a single IP address".
If you have a combination modem/router (it will have 3-4 ethernet ports), the correct setting as noted below for Connection Sharing would be "Off (Bridge Mode)"

Time Capsule + APE extension connection drop

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