Hello to All, I wanted to configure s0.4 as a point-to-point interface but I could not. why is that? Does this has any thing to do with the encapsulation used on s0. I am using HDLC as the encapsulation on s0. R3(config-subif)#int s0.4 ? % Unrecognized command _____NetZero Free Internet Access and Email______ http://www.netzero.net/download/index.html ___________________________________ 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]