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Old 10-23-2008, 09:56 AM   #1
Registered: Oct 2007
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Question how to identify dhcp server ?


How can I identify the ip of the dhcp server that gave a dsl box its ip address?

Have Googled the question but none of the general linux responses seem to apply to dsl.Or I am dumb.


Brian H.
Uxbridge Ont
Old 10-24-2008, 05:24 PM   #2
Registered: Jan 2007
Location: Canton, MI
Distribution: CentOS, SuSE, Red Hat, Debian, etc.
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I'm using CentOS and it uses dhclient to get dhcp addresses.
It has a log in /var/lib/dhclient/dhclient.leases, and that
includes a statement like "option dhcp-server-identifier;".

If DSL doesn't use dhclient, try "find /var/lib -name '*leases*'"
to see if you find the log file.
Old 10-24-2008, 05:37 PM   #3
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You mean the server that gave your dsl box it's external IP?

That would be the default gateway of your dsl box. In my case, if i go to, i get a webpage for configuring my router. This information will be in there under something like 'IP Gateway'.

Hope thats what you're looking for!

Last edited by irishbitte; 10-24-2008 at 05:39 PM.


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