Network simulation using jails & vimage

[Ermal Luçi]

On Sun, Feb 21, 2010 at 6:14 PM, Julian Elischer <julian at elischer.org>wrote:

> Bjoern A. Zeeb wrote:
>
>> On Sun, 21 Feb 2010, Julian Elischer wrote:
>>
>> Hi,
>>
>>  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.
>>>
>>
>> s,ceri,eri,  (Ermal Luçi)
>>
>
> err yeah..
>
> it'd be nice if itcould get committed
>
> Ermal, is it ready?
>
>
It is usable look at http://svn.freebsd.org/base/user/eri/pf45/head/.
For vnet pfsync/pflow/pflog needs some fixes still.


>
>
>>
>>  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.
>>>
>>
>> No, pf hasn't gone in yet; it lives in user/eri/pf45/ in svn and I am
>> not sure what the plans are.
>>
>> Apart from the latest changes 8 and 9 should be pretty much in sync
>> wrt to VIMAGE I think.
>>
>>
>>  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?
>>>
>>
>> I guess Differentiated Services CodePoint (if talking MPLS).
>>
>>
>> /bz
>>
>>
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-- 
Ermal