XG115 - ipsec site to mobile vodafone

Question

Ho un xg115 aggiornato all'ultima patch. Abbiamo configurato una vpn ipsec e ci colleghiamo tramite "Shrew soft vpn client free" utilizzando rdp ad un ts. 
 Se ci colleghiamo con una wifi qualsiasi, da hotspot o access point, il tunnel si apre e possiamo collegarci in rdp. 
 Se utilizziamo le sim integrate sembra che il canale ipsec si apra ma non riesce a collegarsi od interrogare, con un ping, il ts. 
 Ho gi&agrave; provato disabilitando il windows firewall e l'antivirus ma nulla. 
 Consigli? 
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 I have an xg115 updated to the last patch. We have configured a vpn ipsec and we connect via "Shrew soft vpn client free" using rdp to a ts.

If we connect with any wifi, hotspot or access point, the tunnel opens and we can connect in rdp.

If we use the integrated sims it seems that the ipsec channel opens but can not connect or query, with a ping, the ts.

I have already tried disabling the windows firewall and antivirus but nothing.

Tips?

Argo · Answer

do you have a SIM with Static IP? 
 if it is not, then it will not work, you will only be able to get this working with a Static IP SIM. 
 Had this problem in the past, and it seems only Vodafone support Static IP SIMs. 
 when you get the SIM is will supply a private IP, and there is a 1 to 1 NAT rule in place for the Public IP.