[Unbound-users] unbound occasionally does not answer

Haw Loeung haw.loeung at tpg.com.au
Fri Sep 25 13:48:23 UTC 2009

On Fri, Sep 25th, 2009 at 7:23 PM, "W.C.A. Wijngaards" <wouter at NLnetLabs.nl> wrote:
> Hi Aaron,
> After offlist talk with Attila, we found the issue.  The UDP receive
> buffer size was insufficient.  In svn trunk there is a new option,
> so-rcvbuf: 4m and that fixes it.
> Most smaller installations won't need it, and for larger installations
> if netstat -su shows rcv buffer trouble, it can alleviate that.  The
> default setting is still to use the operating system defaults.

Would setting the variable net.core.rmem_max/udp_max_buf/kern.ipc.maxsockbuf	 to 4MB also fix 



Haw Loeung
Systems Administrator
TPG Internet

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