i have a strange problem with one of the eight interfaces of my XG135-Appliance
The last months all was working fine, but since last tow days I have the problem, that i can't reach (ping, tracert) one of my interfaces (config not changed)
So devices connected to this interface cannot establish an internet connection
For testing my notebook is now directly connected to the interface...same problem
I always get "destination host unreachable"
The Interface has the WAN IP 114..123.*.*/30
Now the strange part of this:
If i change the ISP of the interface from the 114..123.*.*/30 net to another, e.g. 192.168.*.* all is working fine
By changing back to 114..123.*.*/30 i can't reach my interface again
What i tried to do so far:
- a simple restart of the device ->no change
- disabling/re-enabling the Port ->no change
- disabling interface, restart XG an enable interface -> no change
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