Telco and ISP Dial Scenarios and Configurations

Small- to Medium-Scale POPs

controller T1 0 framing esf

clock source line primary linecode b8zs pri-group timeslots 1-24

!

controller T1 1 framing esf

clock source line secondary linecode b8zs

pri-group timeslots 1-24

!

interface Loopback0

ip address 10.1.2.254 255.255.255.0

!

interface Ethernet0

ip address 10.1.1.10 255.255.255.0

ip summary address eigrp 10 10.1.2.0 255.255.255.0

!

interface Serial0 no ip address shutdown

!

interface Serial1 no ip address shutdown

!

interface Serial0:23 no ip address encapsulation ppp

isdn incoming-voice modem

!

interface Serial1:23 no ip address

isdn incoming-voice modem

!

interface Group-Async1 ip unnumbered Loopback0 encapsulation ppp async mode interactive

peer default ip address pool dialin_pool no cdp enable

pppauthentication chap pap dialin group-range 1 48

!

router eigrp 10 network 10.0.0.0 passive-interface Dialer0 no auto-summary

!

ip local pool dialin_pool 10.1.2.1 10.1.2.50 ip default-gateway 10.1.1.1

ip classless

!

dialer-list 1 protocol ip permit

!

line con 0

login authentication console line 1 48

autoselect ppp autoselect during-login login authentication dialin modem DialIn

!

Cisco IOS Dial Services Configuration Guide: Network Services

DNC-307

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Cisco Systems DNC-305 manual DNC-307, Controller T1 0 framing esf, Isdn incoming-voice modem