I've use 2 Cisco 1750 and Ipsec between them. I have problem with transmision, in some case Ipsec does work. Is it the problem in lifetime configuration ? What are the optimal configuration for lifetimes ? I've use 1000 sec. for Isakmp and Ipsec ? Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=1576&t=1576 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]