aaa new-model
!
aaa group server radius RADUIS_2
 server-private x.x.x.x auth-port 1645 acct-port 1646 key ******
!
aaa authentication ppp modem_ppp group RADUIS_2
aaa authorization network modem_ppp group RADUIS_2
aaa accounting network modem_ppp start-stop group RADUIS_2
aaa session-id common
!
!
ip cef
!
!
interface FastEthernet0
 ip address 192.168.90.1 255.255.255.0
 duplex auto
 speed auto
 no cdp enable
!
interface Async1
 ip unnumbered FastEthernet0
 encapsulation ppp
 ip tcp header-compression
 no ip mroute-cache
 async mode dedicated
 peer default ip address pool modem_pool
 keepalive 10 3
 compress mppc
 ppp encrypt mppe auto
 ppp authentication ms-chap-v2 ms-chap pap modem_ppp
 ppp authorization modem_ppp
 ppp accounting modem_ppp
 ppp ipcp dns 192.168.90.50 192.168.91.50
!
ip local pool modem_pool 192.168.90.253
ip route 0.0.0.0 0.0.0.0 192.168.90.1
!
!
line 1
 session-timeout 5
 modem answer-timeout 0
 modem InOut
 modem autoconfigure discovery
 exec-character-bits 8
 autoselect during-login
 autoselect ppp
 stopbits 1
 speed 115200
 flowcontrol hardware
!