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Old 06-03-2004, 07:14 AM   #1
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Registered: Aug 2003
Location: New Delhi, India
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Forgot IP of router

Hi all,

I connected my Actiontec Dual PC Modem to my wifi router which is a DHCP server. I was hoping that it would provide an IP to my modem, but it didn't.

The problem is that I don't remember the IP I set my modem to -- I had changed it from the default setting. How do I retrieve the IP of the modem?

Old 06-03-2004, 07:15 AM   #2
Registered: May 2004
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you could try hooking it directly to comp and using ifconfig
Old 06-03-2004, 07:27 AM   #3
Registered: May 2004
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I've used ethereal before to find an unknown ip address.

If your lucky the device might broadcast some packets that ethereal can pickup
Old 06-03-2004, 07:38 AM   #4
Registered: May 2004
Location: Montreal,QC,Canada
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Do you mean the IP you setted in you router ???

If this is it, the DHCP part of the modem should have sent the router's ip as the gateway. So on your computer wich gets the ip from the router, execute

route print

and check for the default gateway.

If you realy meant the IP of the modem.... Well sorry about that
Old 06-03-2004, 12:35 PM   #5
Registered: May 2001
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Depending on the kind of router you have, you could always reset it to defaults, by pressing a button, usually on the back side of the router. In my case, a Linksys router with the password "admin"
Old 06-04-2004, 12:02 PM   #6
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Thanks all for contributing. I was actually wanting to determine the IP of my mmodem connected to the router and not the router ip. I have Linksys router.

Anyways, tcpdump helps. just fire up your console and type tcpdump and that solves the problem.

Cheers and thanks.


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