[AusNOG] VPNs over Telstra wireless broadband

[James Andrewartha]

Hi noggers,

We've recently rolled out a Fortigate IKEv2 IPSec VPN to our student 
devices and it works well for most of them, but for some it works for a 
short time (5 seconds to 5 minutes) and then gets stuck, leaving the 
student with no internet access (since we force it to be always-on). Event 
viewer shows rasclient 631 which is "The port was disconnected by the 
user" and definitely not the case. The common thread seems to be they use 
Telstra wireless broadband at home. Has anyone successfully run an IKEv2 
VPN over this sort of connection?

It's not CGNAT since it works fine on my ABB NBN connection. Maybe it's 
IPv6 464XLAT?

Thanks,


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