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Is it possible to use ppp cb with dialer int and AAA provided cb-dialstr

m_breuer
Level 1
Level 1

Hello Cisco fellows,

I am wondering if I can use callback with AAA provided callback string without a rotary group but with dialer profiles.

I have tried to setup a callback server with the following config:

interface BRI0

no ip address

encapsulation ppp

dialer pool-member 1

isdn switch-type basic-net3

!

interface Dialer0

ip address 192.168.1.7 255.255.255.0

encapsulation ppp

dialer pool 1

dialer remote-name User_R6

dialer idle-timeout 60

dialer enable-timeout 1

dialer max-call 10

dialer-group 1

ppp callback accept

ppp authentication chap

But this config doesn't work for me.

I am getting the following debug messages:

Jun 30 17:07:47.307: BR0:1 DDR: callback to User_R6 already started

Jun 30 17:07:48.307: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0:1, changed state to up

Jun 30 17:07:48.391: %ISDN-6-CONNECT: Interface BRI0:1 is now connected to 164 User_R6

Jun 30 17:07:48.391: %ISDN-6-DISCONNECT: Interface BRI0:1 disconnected from 164 User_R6, call lasted 2 seconds

Jun 30 17:07:48.391: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down

Jun 30 17:07:48.391: BR0 DDR: has total 1 call(s), dial_out 1, dial_in 0

Jun 30 17:07:48.391: %DIALER-6-UNBIND: Interface BR0:1 unbound from profile Di0

Jun 30 17:07:48.395: BR0:1 PPP: Sending Acct Event[Down] id[7D]

Any ideas.

Cheers,

Michael

3 Replies 3

Hello Michael,

I think for the AAA provided callback string to work, you need to configure 'dialer aaa' on your dialer interface. Check the following document for a sample configuration:

Configuring PPP Callback over ISDN with an AAA Provided Callback String

http://www.cisco.com/en/US/tech/tk713/tk507/technologies_configuration_example09186a00800946ff.shtml

HTH,

GP

Hi GP,

thanks for this answer. But unfortunately the "dialer aaa" command only exists when using rotary groups. When using dialer profiles with a pool, I can see that the router asks the ACS for the callback string, but it never calls back.

Cheers,

Michael

Hi Michael

I am seeing the same problem here, Just curious whether you have solved it?

Thanks