Weird issue with bind & router
serella_c at hotmail.com
Thu May 25 14:23:36 UTC 2017
I run a small dev system on my home network, housing dns etc all under the one server.
System: ubuntu16.04 server, ispconfig etc etc etc, you get the idea.
Anyway, the problem i am having comes down to the router rebooting (is it crashing? I cant tell) every time bind starts/restarts. This ordinarily wouldnt be an issue, DNS rarely changes so the service does not need restarting but the problem occurs on system boot too.
The router in question is a Plusnet Hub One which I believe is actually a repackaged BT Hub 5. The "server" is an ACER AX3300 desktop with ubuntu server installed.
Troubleshooting was difficult as i couldnt isolate what it was until i went over to ISPConfig for assistance, they informed me that a DNS reload on their software simply saves data to files and initiates a service restart.
With this information to hand I made no changes to the DNS in ISPConfig, instead i opened a terminal and tunnels into the server and issued a bind9 restart from there.
Sure enough the problem reared its ugly little head, The ssh session dropped out and looking over to the router i could see it was going through its power cycle. To be sure this wasn't some freakishly well timed coincidence, I completed the steps several times more (3) all with the same result.
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