I have SonicWall NSA 2400.
Port X2 is WAN port with following settings X.X.X.250 / 255.255.255.248.
I connected VPN concentrator to port X5, which is assigned to DMZ zone in Transporarent IP Mode for transparent range X.X.X.252 / 255.255.255.255.
VPN concentrator local ip is 192.168.1.65
I put a firewall rule WAN -> DMZ
ANY X.X.X.252 HTTPS Allow.
The problem is that I can access HTTPS on the concentrator only for a few seconds after it restarts. While having a constant ping going to see if connect again with the LAN IP 192.168.1.65, then it gets NAT’ed to SonicWall Public IP X.X.X.250
Pinging 192.168.1.65 with 32 bytes of data:
Reply from 192.168.0.4: Destination host unreachable.
Reply from 192.168.0.4: Destination host unreachable.
Reply from 192.168.0.4: Destination host unreachable.
Reply from 192.168.0.4: Destination host unreachable.
Reply from 192.168.1.65: bytes=32 time=677ms TTL=64
Reply from 192.168.1.65: bytes=32 time<1ms TTL=64
Reply from 192.168.1.65: bytes=32 time<1ms TTL=64
Reply from 192.168.1.65: bytes=32 time<1ms TTL=64
Reply from 192.168.1.65: bytes=32 time<1ms TTL=64
Reply from X.X.X.250: bytes=32 time=3ms TTL=64
Reply from X.X.X.250: bytes=32 time<1ms TTL=64
Reply from X.X.X.250: bytes=32 time<1ms TTL=64
Reply from X.X.X.250: bytes=32 time<1ms TTL=64
Reply from X.X.X.250: bytes=32 time<1ms TTL=64