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Hello Everyone, I am contacting you all because i don't seem to find the needed information to resolve my issues, even though there are many similar topic as mine with the same error.We have an infrastructure using FTD ASA5506 with switch CISCO WS-C2...
Thank you @Arne Bier for your help and time on this.I have engaged a discussion with FortiGate, i hope they will help us resolve this issue.I'll let you know our find in case it can help someone else.Best regards.
Hello @Arne Bier, It would seem the change we've done last week hasn't resolved our issue.I will investigate some more, i only changed the MTU on the IPsec tunnel interface, should I maybe do it as well on the ISP interface ?I thank you for your help...
Hello @Arne Bier, Turns out i have found another article in which you explained a few things in the link below : https://community.cisco.com/t5/network-access-control/ise-802-1x-auth-error-5440-and-12935/td-p/4891218What was interesting is the way to...
Hello @Arne Bier, Thank you for your reply.I had read about that and checked the switch MTU which was fine, but did not think of checking the MTU on the firewall.In our infrastructure context, the ISE is behind an IPsec tunnel, therefore, should it ...
