On Thu, Feb 15, 2018 at 10:46:27PM +0000, Andy Ruddock wrote:
> Todd Andrews wrote:
> > Hi All,
> > I'm running dnsmasq 2.76 on a Raspberry Pi.
FWIW there are 2.79 release candidates.
> > It's been working great for
> > months but today I started seeing an odd behavior for a specific local
> > device and I don't know how to troubleshoot it.
> > The device is a Dell Inspiron 5577 Windows 10 Home edition laptop with the
> > latest Windows updates. It's getting an IP address of 192.168.1.115.
What did choose the .115 ??
> > I first noticed the problem when I tried to establish a VNC connection to it
> > because I can't connect via its hostname, "sagan", but I can connect via
> > its IP address.
Is hostname "sagan" really configured inside the Windows 10 Home edition
> > Neither the IP assignment nor the laptop's MAC address appear in
> > dnsmasq.leases. The only reason I know it is assigned .115 is by physically
> > going to the laptop and running the Windows 'ipconfig' program at the
> > command prompt.
> > I've rebooted the Raspberry Pi and the Windows 10 laptop, but it hasn't
> > made a difference.
> > More info below. Does anyone have any ideas?
> > Regards,
> > Todd
> Are you sure the windows box hasn't been configured with a static IP
> Any information when you refresh the IP address from within a cmd window
> in Windows?
> ipconfig /renew
> > 1. dnsmasq.log shows:
> > /var/log/dnsmasq.log:Feb 15 12:38:34 dnsmasq: config 192.168.1.115 is
> > NXDOMAIN
Yes, that is problem original poster has.
> > 2. I believe the following are the relevant dnsmasq config file entries.
> > These have been working for quite some time. I'm obfuscating the full MAC
> > address:
> > dhcp-host=f4:8e:38:xx:xx:xx,sagan
That is MAC-address and hostname.
Where is the "connection" / "link" with IP-address?
And about MAC-address:
* How many MAC addresses has the laptop?
* Are you using the right one?
* What was done to prevent typo errors?
> > domain=si.loc
> > local=/si.loc/
> > expand-hosts
> > 3. $ dnsmasq --test
> > dnsmasq: syntax check OK.
> > 4. Using the program WinIPConfig2012 a.k.a. WinIPConfig 4.0
> > <http://www.pkostov.com/wordpress/?p=19>, I've verified that the laptop is
> > using the Raspberry Pi as the DHCP server. There's no other DHCP server on
> > my network that I know of.
> > 5. On a third computer, a Macintosh, I get these results.
The third computer, what is the hostname?
> > The Raspberry Pi is at 192.168.1.40.
> > $ ping sagan
> > *ping: cannot resolve sagan: Unknown host*
> > $ ping sagan.si.loc
> > *ping: cannot resolve sagan.si.loc: Unknown host*
Does it work for the hostname of the third computer?
Leven en laten leven
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