Hi all,, Anyone saw before "TCP:0 bad sequence number : seq:xxxxxxxx ack xxxxx rcvnxt xxxxxxxxx rcvwnd xxxxxxxxx " when you debug your router with "debug ip tcp transaction"..?.. The situation is a x25 over ip..xot work well and any of other service are also working good!!!.. I did not find anything in detail in cisco site...Can anybody have an idea?... For more details I tried to capture at the same time, two host connected each other at the same time..I can send u if u want :) thanks in advance ___________________________________ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]