IPNAT seems to affect network performance? of jails on lo0 ( - why?

Robert Huff roberthuff at rcn.com
Mon Jun 25 22:24:06 UTC 2012

Christopher J. Ruwe writes:

>  On a KVM virtualized host, I run FreeBSD 8.3-RELEASE-p3 and some
>  qjails, 8.3-RELEASE. The jails are connected all via lo0 on
>  While by the large working as expected, I have noticed one
>  pecularity I have failed to pinpoint: When launching processes
>  with some network interaction, like sshing into one of the jails
>  from the platform or launching emacs, the command spends ages (
>  ~(1-2) minutes) idling?  (nothing happens) before becoming
>  interactive.

	If the number is very close to 90 seconds, my first guess would
be you have a DNS problem.

					Robert Huff

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