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
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373

On Wed, Jan 25, 2017 at 7:09 PM, James Wilson <[email protected]> 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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>
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