gtpc_ltd wrote:
No idea who 79.66.88.61 is? Not one of ours!

Blocking instructions for such cases: https://www.draytek.com/support/knowledge-base/5982 (can't use Firewall)

gtpc_ltd wrote:
https://cru-technologies.co.uk/wp-content/uploads/2020/10/VPN.pdf

It's quite hard to see what's going on, with all those inbound VPN attempts ... I wonder if they're upsetting the 2862 enough to stop it connecting outbound?
It doesn't seem to be getting very far at all

Blocked the other connection now.
Tweaked the VPN settings, new log: https://cru-technologies.co.uk/wp-content/uploads/2020/10/vpn2.txt
Thanks for your help
Simon.

Sonicwall end
https://cru-technologies.co.uk/wp-content/uploads/2020/10/log_463FBC_10-22.csv

https://cru-technologies.co.uk/wp-content/uploads/2020/10/vpn2.txt
Opps incorrect linking.

Highly doubtful that it's the cause of the problem, but you seem to have used 3DES, rather than AES (per Draytek example).

I'm not quite sure how you've done it, but the 'IKE advanced settings', don't match the 2862 emulator display :?: (or my 2860). Are you running really old (or really new!) firmware on the 2862?

Maybe try the Draytek example to the letter?