jails bring down network interface

Benjamin Lutz benlutz at datacomm.ch
Thu Jul 21 13:34:31 GMT 2005


Hello,

While tracking an issue with a jail I run, the interface to which the
jail aliases it's IP to suddenly became unresponsive.

My script starts the jail, then runs ifconfig alias. After starting and
stopping the jail about 20 times, the interface basically froze.
Ifconfig reported it as up and running, but it would no longer pass any
packets. Bringing it down then back up made it work again.

Since this is a production machine, I'm afraid I can't give more
specific details, I don't wish to run into the problem again.

I'm running FreeBSD 5.4-p5, the interface in question is a VIA VT6105
Rhine III using the vr(4) driver.

Cheers
Benjamin
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