You modified kernel parameters and after rebooting the gateway, a lot of production traffic gets dropped and the gateway acts strangely. What should you do?

The correct answer is B. Restore fwkem.conf from backup and reboot the gateway. If you have modified kernel parameters (in fwkern.conf, for example) and the gateway starts dropping traffic or behaving abnormally after a reboot, the best practice is to restore the original or a known-good configuration from backup. Then, reboot again so that the gateway…

Troubleshoot R81.20 Security Gateway Issues

Question

Options

ARun command fw ctl set int fw1_kernel_all_disable=1
BRestore fwkem.conf from backup and reboot the gateway
Crun fw unloadlocal to remove parameters from kernel
DRemove all kernel parameters from fwkem.conf and reboot

How the community answered

(45 responses)

A
2% (1)
B
80% (36)
C
4% (2)
D
13% (6)

Explanation

If you have modified kernel parameters (in fwkern.conf, for example) and the gateway starts dropping traffic or behaving abnormally after a reboot, the best practice is to restore the original or a known-good configuration from backup. Then, reboot again so that the gateway loads the last known stable settings.

Topics

#kernel parameters#fwkem.conf#gateway recovery#kernel debug

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