On Sun, Jul 28, 2019 at 02:36:29PM -0400, Art Greenberg wrote: > DNS from the Roku streamers is working as it should. > > I am not sure idea why. > > I learned a little about tcpdump and ran it on the router while using > nslookup and dig on a Linux machine to learn how to use tcpdump and > to see what "normal" traffic looked like. > > In my dnsmasq.conf, I took the "net:red" tags off of the dhcp-host > assignments for the Rokus, and waited for DHCP lease renewals. Then > I used tcpdump on the router to observe incoming DNS requests and saw > that they were addressing the router. > > Then I put the "net:red" tags back on the dhcp-host assignments, > and again waited for DHCP lease renewals. Again using tcpdump on the > router to observe incoming DNS requests I saw the Rokus were indeed > talking to the assigned DNS server at 188.8.131.52, and lo and behold the > apps that were previously not working due to failing to access their > advertising servers are now working. > > I'm preplexed. I am sure I've changed nothing else, but in all of the > thrashing around to figure out what is happening I must have touched > something that mattered. > > Thank you to all who offered advice. I know more about networking and > my new router now thanks to your input, and that's a definite positive.
:-) and thanks for reporting that it is solved. Groeten Geert Stappers -- Leven en laten leven _______________________________________________ Dnsmasq-discuss mailing list Dnsmasqfirstname.lastname@example.org http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss