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Re: self identifying computer

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On 05/06/18 10:56, mick crane wrote:
> I changed the domain name for couple of home computers from "local" to 
> "home"
> one of them is win 10 PC.
> I have ipfire box doing hopefully firewall and DNS and so while I 
> changed domain I let all get address from its DHCP and gave them fixed 
> leases.
> I have 2 debian PCs
> I try to find IP address of a cheap IP cctv camera I just bought with no 
> instructions.
> I do "nmap -sn 10.0.0.0/16" to see if camera shows up
> oddly finds PCs but gets "I'm here" from the windows PC but on the old 
> IP address I had previously given it in windows networking thingamyjig.
> any idea where this identification might be hanging about ?
> everything works but it just doesn't look very tidy.
> I should point out I don't really know what I'm doing.
> mick

Your Windows PC will likely continue to use the static IP address set 
under Windows, as you told it to. If you want it to use a fixed IP 
address assigned for its MAC via DHCP, remove the IP address setting in 
Windows and let it use the address assigned via DHCP. Consumer-grade 
routers do not enforce IP address assignment so DHCP leases are just a 
suggestion (but like TCAS suggestions should be followed to avoid 
collisions).

The IP cctv camera might be getting its address from DHCP. You could try 
looking in your router DHCP lease table and eliminating known devices to 
deduce the IP and MAC address of the IP cctv camera. If you have no 
instructions or interface, I assume you have connected it over ethernet.

Kind regards,

-- 
Ben Caradoc-Davies <ben@transient.nz>
Director
Transient Software Limited <https://transient.nz/>
New Zealand

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self identifying computer mick crane <mick.crane@gmail.com> - 2018-06-05 01:00 +0200
  Re: self identifying computer Ben Caradoc-Davies <ben@transient.nz> - 2018-06-05 03:40 +0200
  Re: self identifying computer john doe <johndoe65534@mail.com> - 2018-06-05 09:00 +0200
    Re: self identifying computer mick crane <mick.crane@gmail.com> - 2018-06-05 12:30 +0200
      Re: self identifying computer john doe <johndoe65534@mail.com> - 2018-06-05 18:10 +0200
  Re: self identifying computer Joe <joe@jretrading.com> - 2018-06-05 09:50 +0200

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