Network simulation using jails & vimage

[Julian Elischer]

Jim Sifferle wrote:
> Hi,
> 
> I've used ipfw and Dummynet as well as ipfw + DSCP recognition patch and
> pf/altq to simulate Internet and MPLS WAN environments for several
> years.  All of my setups have run under VMWare, which for many reasons
> isn't ideal.  I would like to collapse all of these VMs into one FreeBSD
> box using jails and vimages.
> 
> Does any FreeBSD branch / vimage release combination support separate pf
> AND ipfw configurations per jail?  I need ipfw+pf/altq for HFSC queuing
> to simulate the queueing effects of MPLS provider edge and core
> routers.  

-current (9) should be close, with patches for pf supplied by ceri.

8 can do separate ipfw  but pf is not changed.
9 has bugs fixed. but I'm not sure if the changes for pf went in..
they do exis tif they are not in already.


> 
> I'm hoping the latest 7.2-STABLE-201001 snapshot will work.  The DSCP
> recognition patch for ipfw that I rely on doesn't seem to work with
> 8.0.  
> 
> If 7.2 won't work for my needs, but 8 or 9-CURRENT will, is anyone aware
> of an updated ipfw DSCP patch?  I haven't seen anything on Google or the
> freebsd-ipfw mailing list.  

what is DSCP?

> 
> Thanks for your time,
> 
> Jim
> 
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