routing in VIMAGE jails with different versions

[Teske, Devin]

On Apr 16, 2013, at 1:28 PM, J David wrote:

> Hello,
> 
> If a 9-STABLE amd64 host compiled with VIMAGE support contains a jail
> running i386 code with a vnet interface, how does one set the default route
> inside the jail?
> 
> Ifconfig and the network work fine, but route returns:
> 
> # route add default 192.168.0.1
> route: writing to routing socket: Invalid argument
> add net default: gateway 192.168.0.1: Invalid argument
> 
> The behavior appears the same whether the jail is running 8.3-i386 or
> 9.1-i386.
> 
> Based on this:
> 
> http://lists.freebsd.org/pipermail/freebsd-amd64/2011-October/014050.html
> 
> It looks like this there was a host-side patch for this in the 8.2
> timeframe, but I compared the patch to the 9-STABLE source for
> sys/net/rtsock.c and it's not there.  As that's from two years ago, there's
> probably a reason it didn't make it in, so does anyone know what is the
> right way to manage routes in VIMAGE jails?
> 
> Thanks for any advice!


I've been running with that patch for years now. I asked the author of the patch if he had plans to merge it in, he said he wasn't happy with one edge-case.

I don't know where this stands, but just wanted to chime-in that the patch works well for us in the situation you describe.
-- 
Devin

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