USG 20 VPN it freezes, the vpn stops working

Czarmen

I have a site-to-site configuration in location A there is USG 20 in location B USG 20

After about 24-48 hours of work, the USG20 hangs in location A and B.
The VPN stops working, you can't log in to the USG 20 in location A and B. (but the login page shows up but doesn't log in), but the internet still works, as does the local network.

After restarting the USG20 in location A and B, everything works correctly again, login and vpn.

For now, I have set the automatic restart of devices in location A and B.
But this is not a solution to the problem.

Zyxel_Melen

Hi @Czarmen,

1. What is the correct model of your firewall and which firmware version do they running?
2. but the login page shows up but doesn't log in > May I know if this occurred on location A or both?
3. Please help to collect the diagnostic file from both location and share with me via private message. We will check the diagnostic file first.

https://community.zyxel.com/en/discussion/26074/atp-flex-how-to-collect-diagnostic-file-on-firewall-local-web-gui

Thanks~

Czarmen

Hello

1.What is the correct model of your firewall and which firmware version do they running?

• USG20-VPN 5.40(ABAQ.0)

2.but the login page shows up but doesn't log in > May I know if this occurred on location A or both?

• This is what happens at location A and B.
  The firewall and version are the same in location A and B

3. Please help to collect the diagnostic file from both location and share with me via private message. We will check the diagnostic file first.

• I sent a private message

Zyxel_Melen

Update:

The firmware version from the device firmware management page shows the device isn't running 5.40 firmware. Please upgrade to the latest firmware version since we have fixed many issues.