[dns-operations] All requests are logged by BIND?

[Liu Mingxing]

All requests are logged by BIND? 
By a rrdtool, I found that DNS traffic of router before an authoritative nameserver is larger than those seen from querylog. For example, cacti tells us qps is 2k while querylog shows a smaller qps. 
Is it just because BIND could not records all requests when large traffic of queries come to it? 




Liu Mingxing
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