sortlist help?

[Doug Barton]

Mark Andrews wrote:
>> Maybe I've been working too much this week, but I can't seem to 
>> figure out how to do what I want with a sortlist option, not 
>> even after STFW and testing for a couple of hours.   In case 
>> it's an obvious mistake, I'll give the attempt first:
>>
>>     sortlist {
>> 	{10.98.192/18;};
>> 	{!10.98.192/18;};
>>     };
>>
>> The effect that I'm after is that clients inside the 10.98.192/18 
>> netblock receive A records from that netblock first, and that 
>> clients outside that netblock receive A records *outside* of 
>> 10.98.192/18 first.
>>
>> It works for the first case, but not for the second.  In other 
>> words, clients outside of 10.98.192/18 are receiving just 
>> the standard cyclical behavior.  The relevant RRSet is:
>>
>>     stealth.example.com.    3600    IN      A       10.98.16.142
>>     stealth.example.com.    3600    IN      A       10.98.200.4
>>     stealth.example.com.    3600    IN      A       10.98.200.5
>>     stealth.example.com.    3600    IN      A       10.98.200.6
>>     stealth.example.com.    3600    IN      A       10.98.16.141
>>
>> What am I missing?
> 
>      sortlist {
>  	{10.98.192/18;};
>  	{{!10.98.192/18; any;}};
>      };
> 
> 	This should do what you want, however it is untested.

I was curious so I fiddled with this a bit. At least on 9.5.0-P1 named 
seems to completely ignore the !. The only way I could get what the OP 
wanted was to specify the subnet for the folks outside the first 
block, like this:
	sortlist {
		{ 10.98.192/18; };
		{ any; 10.98.16/24; };
	};

hth,

Doug