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Cisco 2514 Question

Posted on 2002-06-24
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Last Modified: 2011-10-03
This question is a duplicate of my question in the networking category:

I have acquired a cisco 2514 router.  I do not know the current configuration of this router.  I do not have a console cable, but I have two ethernet aui xceivers connected and lit up.  I need to know if there is a way to get into this thing to start working without using the console port.  Maybe it would involve some time of hardware reset.  Thanks!
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Question by:astronot79
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by:lrmoore
ID: 7106298
It might be easier to find a console cable. In order to access it through an ethernet port, you would have to know its IP address. A sniffer could help you find it.

Good luck!
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by:astronot79
ID: 7106362
Can you recommend a good *free* sniffer?  Also, will I be able to sniff it out if it is on a different subnet?  Thanks!
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lrmoore earned 100 total points
ID: 7106376
Try ethereal:
http://www.ethereal.com/

Yes, you should be able to identify unrecognized IP addresses. Look for MAC addresses that begin with 00000C. These will all be Cisco.

You might have to get someone to send out broadcast pings to generate some arp traffic with them
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by:astronot79
ID: 7106432
I tried ethereal, and I got a mac address of 00:00:0c:4e:38:5a ... The source ip it reports is 0.0.0.0 ... I investigated this and found it to be in fact the router...  Why would it have an IP of 0.0.0.0?
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Expert Comment

by:lrmoore
ID: 7107266
That means it has no IP address assigned to it. The configuration may have been erased. You're going to need a console cable.
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by:astronot79
ID: 7112388
Even though my router did not have an ip address, you pointed me to the correct solution to find it.  Thanks!!
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