Need help on how to troubleshoot this issue and get a resolution.
My team and I configured an L2L about 6 months ago and it has been working fine but all of a sudden the tunnel begins fluctuating (coming up and then going off).
We have communicated with our service provider and been assured that nothing has been modified.
Also the other party says same.
Am seriously confused and don't know where to start as I have checked through my configurations and confirmed that nothing has changed
