2600 Dialer Help

Unanswered Question
Sep 21st, 2009
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Guys,

My 2600 is no longer connecting to the ISP or internet.

I cannot see the dialer device working during startup off the router. Is there a way I can see the dialer and ask it to try again?


Thanks in advance.

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Giuseppe Larosa Mon, 09/21/2009 - 02:23
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Hello Michael,

I guess you have a PPPoX internet connection.


to check what is happening:


shut the physical interface

example

int atm0/0

shut


terminan monitor

debug ppp negotiation

debug ppp authentication

! re-enable the link

int atm0/0

no shut


! try to access the internet


collect all debug info in a file.


undebug all

to remove debug actvity


If you need further help there is an option to attach files to posts.

post txt files


Hope to help

Giuseppe


mkingcsnm Mon, 09/21/2009 - 02:34
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Hello Giuseppe,

How to do collect debug information?

Giuseppe Larosa Mon, 09/21/2009 - 02:41
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Hello Michael,

in your telnet client software you should have an option to log the session you can use combined with terminal monitor to have debug output sent to your telnet/SSH session.


for example you can use freeware Putty


http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html


after you open the session do change properties -> logging

logging printable output only

choice a name for the file and browse if you want to change dir.

then press apply


at the end go back to logging and set logging turned out completely


Hope to help

Giuseppe


mkingcsnm Mon, 09/21/2009 - 03:40
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Hello Giuseppe,

I'm using Hyperterminal with the console port.

I've switched on the debugging as advised above and then pinged 4.2.2.2 but it does not show anything over than the ping output.

Giuseppe Larosa Tue, 09/22/2009 - 01:04
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Hello Michael,

as I've explained in my first post to see PPP negotiation we need to restart the physical interface with a shut/no shut cycle.


before doing this you can use

sh users

to see if there is line for the PPP session.


also in the sh interface of the physical intercface if you read LCP open IPCP open this would be good news.


debug dialer could be helpful during ping attempt.


You need to understand at what point there is a failure:

check the PPP session status

if it is not OK use the shut/no shut to see PPP negotiation.


use the following documents as a reference


http://www.cisco.com/en/US/tech/tk713/tk507/technologies_tech_note09186a008019cfa7.shtml


http://www.cisco.com/en/US/tech/tk713/tk507/technologies_tech_note09186a00800b4130.shtml



Hope to help

Giuseppe


paolo bevilacqua Tue, 09/22/2009 - 01:11
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Hi, take no offense but it seems to me it would be better if you would involve a network professional in this.

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