Airport TimeCapsule connected to the ethernet port and used for backup only with iMac connected to ethernet as well. Everything working fine from time to time.

I just got a Airport TimeCapsule, swap the HDD for a SSD. Connected it to an Ethernet cable directly to Ethernet port. It's working but from time to time it doesn't find the TC. What to do. My mac mini is also ethernet connected. Sometime it says that it couldn’t complete the backup because the time machine isn’t connected to the network. Do I need to plug the WAN as well and put it as a bridge? I’m on sonoma. Thanks!

Posted on Dec 16, 2023 03:33 AM

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Dec 16, 2023 06:06 AM in response to Htotheizzoo

I just got a Airport TimeCapsule


Is the Time Capsule tall shaped.....like a "tower"? Or, is the Time Capsule flat, shaped somewhat like a small pizza box with rounded corners?


If you have the tall or "tower" version, let's just say you have the "tower".


If you have one of the the much older flat versions, please look on the bottom of the device for the model number. It was usually embedded in the foam pad base. The model number starts with an "A" followed by 4 numbers.


Please post back the model number of the Time Capsule that you have.


Do I need to plug the WAN as well and put it as a bridge?


As it stands now, it sounds like you have connected an Ethernet cable from a LAN <--> port on your router to one of the three LAN <--> ports on the Time Capsule, correct?


That should work, but a better setup in theory would be to connect the Ethernet cable from your router to the WAN "O" port on the Time Capsule and then configure the Time Capsule to operate in Bridge Mode, which Apple calls "Off (Bridge Mode)" in the settings in AirPort Utility.


So, you would still have only one Ethernet cable connecting the Time Capsule to your router....not two.


You can leave your Mac connected to one of the LAN ports on the Time Capsule, no changes needed there.


Post back when you can and we will continue.




Dec 16, 2023 02:46 PM in response to Htotheizzoo

Interesting! As I would not expect any speed enhancement with using a SSD. Actually, for data back ups, using HDDs is preferred for both overall performance and longevity.


Some of the issues with using SSDs are:

  • Too many read/writes will wear out an SSD much faster. Most, if not all SSDs, have write limits. Also, the TC does not support TRIM.
  • Your TC is bound by two factors: 1) Gigabit networking. Worse for wireless, and 2) The processor in the TC cannot handle full gigabit speeds. Maybe only half that, especially with a lot of small files.


That's why you will never find data centers using SSDs for this purpose. Of course, they wouldn't think of using TC anyways. Just saying.


Curious, the original HDD was a 3.5" form factor. Is this SSD also 3.5" or did you use some type of adapter to secure it inside the TC?

Dec 16, 2023 09:10 AM in response to Htotheizzoo

Open AirPort Utilty

Click on the Time Capsule

Click Edit in the smaller window that appears

Click the Network tab at the top of the window





If you want to turn off the wireless function on the Time Capsule......


AirPort Utility > Time Capsule > Edit > Wireless Tab > Network Mode Off > Update





Important.......you cannot be connected to the Time Capsule Wi-Fi and turn off the Wi-Fi. OK if your Mac is connected to a Time Capsule LAN port to do this, but Wi-Fi still must not be enabled on the Mac when you do this.


When you have all the changes, power off the Time Capsule, power off your router, wait a minute, power up the router, then power up the Time Capsule.


The name of the Time Capsule should appear on the left panel under Locatons on any Finder window on your Mac.


If it doesn't click Finder at the top of the screen, then click Finder Preferences. Click the Sidebar heading, then make sure that there is a check mark in the box next to Connected Servers.

Dec 16, 2023 08:09 AM in response to Bob Timmons

Hi Bob,


Thanks a lot for the swift response!


Yes it’s a tower which is Apple ME177LL/A Time Capsule 2TB.


The serial number is: C86L2512F9H

Model: A1470


Yes that’s correct.


I have connected an Ethernet cable from a LAN <--> port on your router to one of the three LAN <--> ports on the Time Capsule.


My Mac mini is connected as well to that router which is a Google Nest.


It is effectively working but it seems not optimal as you mentioned.


Interesting suggestion with the WAN “O” with only one cable. I will try to look for the Bridge Off mode.


Yesterday when I setup it he was trying to create a Wi-fi instead of a bridge. So I create a password and everything and then I realized once created that it didn’t make any sense to create another wifi. So I unplugged the WAN “O” and connected it to the LAN <--> port. I will try tonight to find that bridge mode and let you know. But yesterday I didn’t notice it.


Thanks again


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Airport TimeCapsule connected to the ethernet port and used for backup only with iMac connected to ethernet as well. Everything working fine from time to time.

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