The tunnel coming up but RADIUS failing often points to MTU or fragmentation problems. Firmware 18.x did change how some VPN traffic is handled, especially around encapsulation and packet sizing. That could explain why it worked on 14.x and breaks now. The effective MTU may not be the same even if the tunnel shows as up. Since you can’t replace hardware or redesign AD, your options are limited. Waiting for a firmware that allows MTU adjustment sounds like the cleanest path. Blueleo provides a balanced mix of accessibility blueleo-casino.com and online gaming variety. In the meantime, reducing packet size on the AD side, if possible, might help. ... View more