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How detect fixed IP address of black box?

 
 
Newell White
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      06-01-2006, 04:02 PM
I have a Buffalo Linkstation configured for TCP/IP in a Windows network.
Unfortunately the genius who configured it ("without a manual" he proudly
reported)did not write down the IP address he assigned to it when disabling
'accept automatic IP address from DHCP server'.
However the MAC address of the Ethernet adapter is clearly written on the tin.

Is there any way I can determine the IP address from an XP workstation, so I
can re-configure it into our domain sub-net?
--
Newell White
 
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Mike Lowery
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      06-01-2006, 05:49 PM
nmap should find it:
http://www.insecure.org/nmap/

"Newell White" <(E-Mail Removed)> wrote in message
news:6E2F7B68-6B88-4192-B705-(E-Mail Removed)...
>I have a Buffalo Linkstation configured for TCP/IP in a Windows network.
> Unfortunately the genius who configured it ("without a manual" he proudly
> reported)did not write down the IP address he assigned to it when disabling
> 'accept automatic IP address from DHCP server'.
> However the MAC address of the Ethernet adapter is clearly written on the tin.
>
> Is there any way I can determine the IP address from an XP workstation, so I
> can re-configure it into our domain sub-net?
> --
> Newell White



 
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Newell White
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      06-02-2006, 01:49 PM
Thanks Mike, but Gulp!! - have just spent an hour looking at the nmap
documentation, and am (I hope) just a little the wiser.

Can I achieve my objective by doing an ARP scan only on the address
255.255.255.255, which should get a response only from the 50-odd LAN
interfaces, as the router will not pass a broadcast packet to the outside? Or
have I got to do a lot more reading to understand this software?
--
Newell White


"Mike Lowery" wrote:

> nmap should find it:
> http://www.insecure.org/nmap/
>
> "Newell White" <(E-Mail Removed)> wrote in message
> news:6E2F7B68-6B88-4192-B705-(E-Mail Removed)...
> >I have a Buffalo Linkstation configured for TCP/IP in a Windows network.
> > Unfortunately the genius who configured it ("without a manual" he proudly
> > reported)did not write down the IP address he assigned to it when disabling
> > 'accept automatic IP address from DHCP server'.
> > However the MAC address of the Ethernet adapter is clearly written on the tin.
> >
> > Is there any way I can determine the IP address from an XP workstation, so I
> > can re-configure it into our domain sub-net?
> > --
> > Newell White

>
>
>

 
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Phil Frisbie, Jr.
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      06-02-2006, 03:30 PM
Newell White wrote:

> Thanks Mike, but Gulp!! - have just spent an hour looking at the nmap
> documentation, and am (I hope) just a little the wiser.


If you are using managed switches you can also physically trace the device to a
port and check the status of that port.

--
Phil Frisbie, Jr.
Hawk Software
http://www.hawksoft.com
 
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Mike Lowery
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      06-02-2006, 04:15 PM
I'm not sure--I've never tried an ARP scan, sorry. You are correct in that
broadcast packets will not traverse the router interface.

Here is some further info:
http://compnetworking.about.com/od/n...rtipmacadd.htm


"Newell White" <(E-Mail Removed)> wrote in message
news:5DEC13FE-39E4-4A5E-A4E8-(E-Mail Removed)...
> Thanks Mike, but Gulp!! - have just spent an hour looking at the nmap
> documentation, and am (I hope) just a little the wiser.
>
> Can I achieve my objective by doing an ARP scan only on the address
> 255.255.255.255, which should get a response only from the 50-odd LAN
> interfaces, as the router will not pass a broadcast packet to the outside? Or
> have I got to do a lot more reading to understand this software?
> --
> Newell White
>
>
> "Mike Lowery" wrote:
>
>> nmap should find it:
>> http://www.insecure.org/nmap/
>>
>> "Newell White" <(E-Mail Removed)> wrote in message
>> news:6E2F7B68-6B88-4192-B705-(E-Mail Removed)...
>> >I have a Buffalo Linkstation configured for TCP/IP in a Windows network.
>> > Unfortunately the genius who configured it ("without a manual" he proudly
>> > reported)did not write down the IP address he assigned to it when disabling
>> > 'accept automatic IP address from DHCP server'.
>> > However the MAC address of the Ethernet adapter is clearly written on the
>> > tin.
>> >
>> > Is there any way I can determine the IP address from an XP workstation, so
>> > I
>> > can re-configure it into our domain sub-net?
>> > --
>> > Newell White

>>
>>
>>



 
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Newell White
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      06-05-2006, 02:26 PM
Thanks for the extra background Mike, but I have found the IP address by
Phil's method - thanks to you also Phil. There's usually several ways to skin
a rabbit!
--
Newell White


"Mike Lowery" wrote:

> I'm not sure--I've never tried an ARP scan, sorry. You are correct in that
> broadcast packets will not traverse the router interface.
>
> Here is some further info:
> http://compnetworking.about.com/od/n...rtipmacadd.htm
>
>
> "Newell White" <(E-Mail Removed)> wrote in message
> news:5DEC13FE-39E4-4A5E-A4E8-(E-Mail Removed)...
> > Thanks Mike, but Gulp!! - have just spent an hour looking at the nmap
> > documentation, and am (I hope) just a little the wiser.
> >
> > Can I achieve my objective by doing an ARP scan only on the address
> > 255.255.255.255, which should get a response only from the 50-odd LAN
> > interfaces, as the router will not pass a broadcast packet to the outside? Or
> > have I got to do a lot more reading to understand this software?
> > --
> > Newell White
> >
> >
> > "Mike Lowery" wrote:
> >
> >> nmap should find it:
> >> http://www.insecure.org/nmap/
> >>
> >> "Newell White" <(E-Mail Removed)> wrote in message
> >> news:6E2F7B68-6B88-4192-B705-(E-Mail Removed)...
> >> >I have a Buffalo Linkstation configured for TCP/IP in a Windows network.
> >> > Unfortunately the genius who configured it ("without a manual" he proudly
> >> > reported)did not write down the IP address he assigned to it when disabling
> >> > 'accept automatic IP address from DHCP server'.
> >> > However the MAC address of the Ethernet adapter is clearly written on the
> >> > tin.
> >> >
> >> > Is there any way I can determine the IP address from an XP workstation, so
> >> > I
> >> > can re-configure it into our domain sub-net?
> >> > --
> >> > Newell White
> >>
> >>
> >>

>
>
>

 
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