Try add int BRI0 subcommand 'ppp authentication chap' in both routers. This must be configured on both physical and logical interfaces.
""Anthony Toh"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hi,I am trying to configure two 2600 series routers to run in a Frame Relay > network with an ISDN dial line as backup operation. > The Frame Relay configuration is working alright but the ISDN is not. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=27290&t=27288 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]