Hello Networkers, In real world configuration of frame relay, when should I configure a router interface as DCE, DTE or NNI? Also I would appreciate it if you direct me to good documentation or a book that simplify understanding of frame relay. Thanks Omer 3102(config-if)#frame-relay intf-type ? dce Configure a FR DCE dte Configure a FR DTE nni Configure a FR NNI _____________________________________________ NetZero - Defenders of the Free World Click here for 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]