Bhyve / jails network response
Jon Radel
jon at radel.com
Mon Jan 16 16:46:51 UTC 2017
On 1/16/17 10:28 AM, James B. Byrne via freebsd-questions wrote:
> However, when I ssh into the jail
> then it seems to take a significant period of time before I get a
> prompt. I would like to determine the source of this delay.
>
> It is an artefact of running a jail on a VM?
>
> It is an artefact of sshd running in a jail?
>
> It there a DNS issue somewhere?
ssh -v <host>
or even
ssh -vv <host>
would give you considerable information on which phase of the process is
hanging.
You could also crank up the logging for the server side in [probably]
/etc/ssh/sshd_config to see what it thinks is happening. You did check
the logs, right?
And, yes, it could be the server trying to do a DNS lookup. Does DNS
resolution work on the jail? If it is broken and you don't want to fix
it, start fiddling server side settings such as UseDNS.
--
--Jon Radel
jon at radel.com
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