On 07/23/2011 09:22 AM, Vbvbrj wrote:
Hello.

I have a server at home, that runs Bind 9 dns and routes internal
traffic to internet. Its working fine. When I'm out of home, I
disconnect my home switch. In bind log appears "no longer listening on
192.168.0.1#53". After a return to home and connecting switch, BIND does
not respond to internal lan for long time till BIND start listening. Or
I have to reload BIND service or reload configs with rndc.

How to tell BIND to not stop listening on cable disconnected adapters?

You can't AFAIK.

Bind is stopping listening because the interface has gone down. If you don't want it to stop listening, don't let the interface down.

As you've discovered, the other option is to call "rndc reconfig" when the interface comes back up; bind will re-discover the IPs. You could do this automatically if your distribution supports interface "scripts" e.g. /sbin/ifup-local
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