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Author ADSL configuration
kinglee

2004-03-12, 3:31 am

Hello,

I really have problem figuring out how to configure ADSL on CISCO router. I'm studying for BCRAN exam now using cisco press book. It didn't explain how to configure ADSL in detail. Could anybody please explain to me? Another problem is why we're using interface atm command for configuring ADSL?

Thank you very much
The Reamer

2004-03-31, 7:47 am

The ATM inteface is the physical aspect of the connection to the DSLAM. You also have a logical piece of the connection defined as either a Dialer interface or Virtual-Template. Depending on your ISP, your settings could be different, but here is sample:

interface ATM0
no ip address
atm ilmi-keepalive
pvc 0/16 ilmi
!
pvc 8/35
encapsulation aal5mux ppp dialer
dialer pool-member 1
interface Dialer0
ip address negotiated
ip nat outside
encapsulation ppp
no ip route-cache
no ip mroute-cache
dialer pool 1
no cdp enable
ppp chap refuse
ppp pap sent-username username password ****


More than likely you will have to do some natting as well. You may also have to do VPDN, but again this will depend on your router and ISP.

Go out to the cisco web site and search on adsl configuration.

HTH,

Reamer
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