Yes it is possible........ You will have to set the clock rate on one router and the bandwidth rate on both, you can do this through hyper terminal. Once your logged in; type "en" for enable configuration from there use the "?" to bring up help menus ! the command for entering the serial interface once in the enable mode will be something like; int s0 (or s1 depending on which serial port) Good Luck, Bryan ""Hamid"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hi group, > > Can anyone tell me if it's possible if you want to connect two routers > Bach-to Back using their serial interfaces. > > And if possible how should I configure the serial inetrfaces. > > Thanks in advace > > Hamid Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=16251&t=16251 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]