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 laptop?? > > 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 > address? > > 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[738]: 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? Groeten Geert Stappers -- Leven en laten leven _______________________________________________ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
