hai friend i am here by entering configuration for a particular async interface.you can try the same with all other interfaces.... somtimes all the given detail wont suit your necessity,if so kindly pardon me.
int async 1
encapsulation ppp
ppp authentication chap
ip address
async mode interactive
peer default ip address pool
modem auto-config type
modem auto-discovery
modem auto-configure
modemcap edit
username password
ip dhcp pool
ip dhcp exclude
int loopback 0
ip address
line 1 (The respective line)
transport input all
login
modem inout
flowcontrol hardware
With Regards
Arun Dev.I.V