Gianfilippo

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Look at ip starting 87... Two pc connected, connection impossible for third pc. The ip starting 79... is from another network. In this moment 3 pc simultaneously connected, but maximum 2 from same ip (same network). I don't know why the second ip from 87... network not have port 4500 at the end...

in VPN ipsec works for only 1/2 user, no more Comment by Gianfilippo January 2021
Yes checked, VPN ip ranges is 192.168.200.80 to 192.168.200.99 (20 pc) and I have problem with third or fouth pc. Max. concurrent IPSec VPN tunnels in 20 for USG 40 (my model). The problem seem appear when I connect 3-4 pc form the same external netrwork (same public IP). If I connect 4 pc from 4 exterrnal network it works…

in VPN ipsec works for only 1/2 user, no more Comment by Gianfilippo January 2021
Any help?

in VPN ipsec works for only 1/2 user, no more Comment by Gianfilippo January 2021
Change office Router IP in 192.168.3.1 and works!

in Tunnel IP sec open but ping subnet only certain condition Comment by Gianfilippo January 2021