So, what is the problem about? Well, NIC connections stay up for about 1 or 2 minutes, then they’re down for about 5 minutes.
We made an upgrade of an UTM-1 2050 series appliance to R71 and got massive connectivity problems. Two days later sk42174 came out which helped us fix the problem. Seems that the Linux Kernel starting with R70 assigns new drivers to the NICs, which are incorrect.
The solution for that problem is to change the settings back to the old driver.
For details please refer to the SK and have it in mind when you’re updating older appliances.
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