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INTERNET CONNECTION ISSUES WITH T1 LINE

Posted on 2008-06-24
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Last Modified: 2010-04-17
I am having issues on our network accessing the internet. We are connected to 2 T1 circuit lines onto a cisco 1721 series router. All the LED lights seem to be up correctly but we still have no internet connection. I have contacted our provider which is cimco communications and they stated at first that the circuits were working correctly. I contacted them a second time to assure they are and im just awaiting their response.

I just wanted to make sure that there isnt something wrong with our router. I see only the cd light green from the LP, AL and CD. Also there is two slots with both T1's and both of the WIC lights are green "OK" is there anything I should be looking out for to see if it is anyhting on my end. I also rebooted the server and router already.
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Question by:RPEREZ335
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by:DenverRick
ID: 21859425
Can you log into the 1721 and post the results of "Show Run" command?
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by:RPEREZ335
ID: 21859712
not sure how to do that, im not familiar with routers.
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Expert Comment

by:DenverRick
ID: 21860484
You will need passwords.  Telnet to the IP address of the Router.  It will ask for password.  Then issue the "enable" command, which will require a second password.  At the enable (#) prompt type "show run".  Copy what it lists and attach that.

PS Without the passwords get a fork, you are done.
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by:RPEREZ335
ID: 21871042
I came to the conclusion that it was our router that was faulty. but when we had our ISP configure a new one we cannot get out the the internet or connect to other sites. We have our router connected to a switch and from the switch to a pix firewall then to our internet router. But our pc's are not seeing the internet router. Any suggestions
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RPEREZ335 earned 0 total points
ID: 21871129
actually we got the internet up and running, we checked and it was actually pointed to the incorrect default gateway. Thanks for your assistance
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