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I need help configuring a Cisco 2621 Router with an ADSL WIC Card

Posted on 2004-10-04
Medium Priority
Last Modified: 2012-06-21
I am attempting to configure my 2621 for the first time with my ADSL WIC in place and am just wondering if anyone has any sample configs on how to do this.  I have attempted before but unsuccessful and have since reloaded IOS and am loading from the ground up.  Thank you in advance.
Question by:nshoe18
  • 2
LVL 79

Expert Comment

ID: 12221314
Several different ways, depending on how what your provider requires:

Use this as basic config:

Then add in your nat statements as required...
Other very useful links within the posted links...

Accepted Solution

tevens earned 375 total points
ID: 12250533

Try the following for static addresses from the provider.   If using PPPoE see further down...

------STATIC ISP Config--------
! Static with ADSL
bridge irb

interface ATM0/0
 no ip address
 no atm ilmi-keepalive
 pvc 0/35
  encapsulation aal5snap
 dsl operating-mode auto
 bridge-group 1

! Must use BVI as 99% of all providers offer bridged service.
int bvi 1
   ip addr <static ISP address> <mask>

!PPPoE with ADSL....

vpdn enable
vpdn-group 1
  protocol pppoe

interface ATM0/0
 no ip address
 no atm ilmi-keepalive
 dsl operating-mode auto
interface ATM0/0.1 point-to-point
 pvc 0/35
  pppoe-client dial-pool-number 1

interface Dialer1
 ip address negotiated
 ip nat outside
 encapsulation ppp
 dialer pool 1
 ppp authentication pap callin
 ppp pap sent-username <username> password <password>

int e0/0
   ip addr <private inside IP> <mask>
   ip nat inside

ip nat inside source list NAT-INET interface Dialer1 overload
ip access-list extended NAT-INET
 permit ip <private inside net> <private inside mask> any

LVL 79

Expert Comment

ID: 13688759
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Author Comment

ID: 13754144
So if I set it up for static as stated above, I need to setup the BVI 1 to be the external address and I will set up my FA 0/0 to be the internal address of my network.  Then I need to setup my routs between the two networks?  Just making sure I have it all straight in my mind.

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