Found the problem. Patch here. http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=4f7bb57e9747577600b3d385e0e3418ec17e73e0
Thanks for reporting this. Cheers, Simon. On 07/03/18 15:38, Lindgren Fredrik wrote: > OK. > > > Here are the config options I use in case it has any impact > > > dnsmasq.conf: > > port=0 > no-resolv > no-poll > interface=eq-mgmt > bind-interfaces > no-hosts > dhcp-range=10.243.0.50,10.243.255.254,255.255.0.0,10m > dhcp-option=3 > dhcp-option=12 > dhcp-option=option:ntp-server,10.243.0.2,10.243.0.3 > enable-tftp > tftp-root=/var/tftpboot > tftp-secure > dhcp-script=/bin/echo > log-dhcp > dhcp-optsdir=/etc/dnsmasq.d/opts/ > > > Adding/removing line "option:router,10.243.0.1" to option file in the > opts dir. > > > Br, > Fredrik > > ------------------------------------------------------------------------ > *Från:* Dnsmasq-discuss > <dnsmasq-discuss-boun...@lists.thekelleys.org.uk> för Simon Kelley > <si...@thekelleys.org.uk> > *Skickat:* den 7 mars 2018 13:43 > *Till:* dnsmasq-discuss@lists.thekelleys.org.uk > *Ämne:* Re: [Dnsmasq-discuss] Dnsmasq dhcp-optsdir remove options problem > > OK, sounds like there may be a bug. I'll try and reproduce this in the > next day or two. > > Cheers, > > Simon. > > On 07/03/18 11:39, Lindgren Fredrik wrote: >> I'm doing verification after removal in same way as when I add it, hence >> debug output from dnsmasq process and dhcpdump capture >> >> >> /Fredrik >> >> >> ------------------------------------------------------------------------ >> *Från:* Dnsmasq-discuss >> <dnsmasq-discuss-boun...@lists.thekelleys.org.uk> för Andy Hawkins >> <a...@gently.org.uk> >> *Skickat:* den 7 mars 2018 11:13 >> *Till:* dnsmasq-discuss@lists.thekelleys.org.uk >> *Ämne:* Re: [Dnsmasq-discuss] Dnsmasq dhcp-optsdir remove options problem >> >> Hi, >> >> In article >> <he1pr0401mb2313f920fec799628c3694ca8c...@he1pr0401mb2313.eurprd04.prod.outlook.com>, >> Lindgren Fredrik<fredrik.lindg...@tieto.com> wrote: >>> What I did to test this was to add "option:router,10.243.0.1" to a new opti= >>> on file. >>> >>> Which is re-read by dnsmasq >>> >>> >>> I start a dhclient that I'm testing with, output in console of dnsmasq indi= >>> cate that router entry is part of response (also seen in dhcpdump of packag= >>> e) >>> >>> I stop the dhclient and remove the config file with this option and send SI= >>> GHUP to pid for dnsmasq >>> >>> Then start the dhclient again and still see the router entry being sent. >> >> When you say "still see the router entry being sent" are you just checking >> the resulting IP configuration on the client, or are you actually capturing >> the DHCP response with Wireshark or similar? >> >> If you haven't captured the actual response on the wire, that'd be my next >> step to see if it's the client that's somehow remembering the information. >> >> Andy >> >> >> _______________________________________________ >> Dnsmasq-discuss mailing list >> Dnsmasq-discuss@lists.thekelleys.org.uk >> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss >> Dnsmasq-discuss Info Page >> <http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss> >> lists.thekelleys.org.uk >> A list for discussion about the dnsmasq DNS and DHCP server. >> Configuration, bugs and development. To control spam, only subscribers >> are allowed to post to the list. >> >> >> >> >> >> _______________________________________________ >> Dnsmasq-discuss mailing list >> Dnsmasq-discuss@lists.thekelleys.org.uk >> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss >> > > _______________________________________________ > Dnsmasq-discuss mailing list > Dnsmasq-discuss@lists.thekelleys.org.uk > http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss _______________________________________________ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
