Dear Group, I have one wvic-2e1 card with 3620 and would like to seek for all your advice. I do have some 2500 with ISDN port, How can I connect the two up in a home lab? Or I must have another e1 port and router to connect with 36 back-to-back? BTW, back-to-back work with e1? TIA Fanglo Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=19709&t=19709 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]