By flat network, do you mean one layer 2 network spanning multiple towers?  If 
so, it could be anywhere on the far end of the link.  

Is there a Netonix at the far tower?  If so, I would have expected that switch 
to isolate a port over there, unless something just went off the rails in one 
of the radios. 

Did you power down the AF5 as part of the trouble shooting process?   And if 
so, did the problem continue? 

We are fully routed across backhauls.  I've seen similar messages on one AF 5 
or 5X link.  I didn't worry about it too much since it didn't affect the 
network enough to notice.  I just saw the messages in the log reports. 


On January 25, 2017 6:18:27 PM CST, James Wilson <ja...@ridgecomms.com> wrote:
>We didn't have STP enabled on any of the ports.  This is strange -
>these
>devices have been working together for a year.
>
>It's been stable for several minutes now that I turned off loop
>protection.
>
>Don't see how I could get a loop in one device.   ???
>
>Thank for coming to the rescue!   :)
>
>On Wed, Jan 25, 2017 at 7:15 PM, James Wilson <ja...@ridgecomms.com>
>wrote:
>
>> I just did some Google searches and turned off Loop Protection in the
>> Devices/Configuration page.  So far ok...
>>
>> On Wed, Jan 25, 2017 at 7:12 PM, Josh Luthman
><j...@imaginenetworksllc.com
>> > wrote:
>>
>>> If you DEFINITELY don't have a bridge loop (like two backhauls going
>to
>>> this tower, both of which go to the same collision domain) you can
>disable
>>> port 2 from the STP.
>>>
>>>
>>> Josh Luthman
>>> Office: 937-552-2340 <(937)%20552-2340>
>>> Direct: 937-552-2343 <(937)%20552-2343>
>>> 1100 Wayne St
>>> Suite 1337
>>> Troy, OH 45373
>>>
>>> On Wed, Jan 25, 2017 at 7:09 PM, James Wilson <ja...@ridgecomms.com>
>>> wrote:
>>>
>>>> I have a very straightforward flat network, no OSPF, etc.
>>>>
>>>> Tonight I started losing connection and traced it back to a Netonix
>>>> switch. The connection is up for a minute then the Netonix switch
>turns off
>>>> the AF5X's port.
>>>>
>>>> Below is what it's log is saying.  I don't understand how the AF 5X
>>>> that's connected to the port can cause a loop.  Help!   Thanks!   
>:)
>>>>
>>>>
>>>> Jan 25 17:39:37 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 17:42:39 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 17:43:38 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 17:46:40 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:03:04 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:06:05 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:06:39 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:09:40 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:15:17 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:18:18 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:22:19 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:25:21 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:25:38 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:28:40 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:34:13 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:37:14 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:37:22 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:40:24 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:41:37 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:44:39 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:45:37 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:48:39 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:49:33 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:52:35 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:53:39 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 18:56:41 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 18:58:36 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> Jan 25 19:00:36 UI: Configuration changed by admin (172.19.3.6)
>>>>
>>>> Jan 25 19:00:36 UI: Port 2 STP: changed from 'Disabled' to
>'Enabled'
>>>>
>>>> Jan 25 19:01:38 Loop protection: re-enabling port 2
>>>>
>>>> Jan 25 19:02:38 Loop protection: detected loop from port 2 to port
>2,
>>>> disabling port 2 for 180 seconds
>>>>
>>>> _______________________________________________
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>>>> Ubnt_users@wispa.org
>>>> http://lists.wispa.org/mailman/listinfo/ubnt_users
>>>>
>>>>
>>>
>>> _______________________________________________
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>>>
>>

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