[ovirt-users] Connection hickups with Pfsense and Carp

Itamar Heim iheim at redhat.com
Thu May 15 06:35:43 EDT 2014


On 05/15/2014 04:26 AM, Matt . wrote:
> Itamar,
>
> On some testhost I'm updating now to 3.4(.x) I also need to install the
> hook it seems... it's not there by default.
>
> Any idea why you thought it should be ?

there is no need for the hook for port mirroring. you can define a vnic 
profile with port mirroring via the engine and vdsm has this feature 
built-in.

if you need more than just port mirroring (say, port forwarding), then 
you still need the hook.

>
> Cheers,
>
> Matt
>
>
> 2014-05-12 14:55 GMT+02:00 Matt . <yamakasi.014 at gmail.com
> <mailto:yamakasi.014 at gmail.com>>:
>
>     Hi,
>
>     I really needed to enable the hook... Will investigate on new hosts!
>
>
>     2014-05-11 22:37 GMT+02:00 Itamar Heim <iheim at redhat.com
>     <mailto:iheim at redhat.com>>:
>
>         On 04/17/2014 04:08 AM, Matt . wrote:
>
>             Hi Guys,
>
>             I'm not able to write a howto yet as we need to check how
>             this is
>             running on high traffic and we are going soon. Than, we need
>             to test
>             some other functions before I can actually write something down.
>
>             Because this is not all documented well indeed I'm in
>             testmode and doing
>             some @ life system as reallife environments are always
>             coming with other
>             things than your prefec test.
>
>             I cannot say I needed promiscuouity, I did some things you would
>             normally do on pfsense which fixed that part. Some old
>             message you
>             really need to discard instead of clicking it away was
>             confusing this test.
>
>
>
>         you are not supposed to need the promiscious hook for
>         sniffing/mirroring - that's by now part of engine/vdsm (at vnic
>         level in earlier versions, and at network profile in later
>         versions iirc)
>
>
>
>             2014-04-17 9:08 GMT+02:00 Dan Kenigsberg <danken at redhat.com
>             <mailto:danken at redhat.com>
>             <mailto:danken at redhat.com <mailto:danken at redhat.com>>>:
>
>
>                  On Thu, Apr 17, 2014 at 01:11:13AM +0200, Matt . wrote:
>                   > OK, also this is finetuned, but it would be nice to
>             have some
>                  more info
>                   > about the hooks in these cases... it's interesting
>             as oVirt has
>                  the right
>                   > settings to start with but we need to know what we
>             need to set
>                  when we have
>                   > a setup like this for an example.
>
>                  Could you explain what you have done, and what do you
>             need promiscuouity
>                  for? oVirt has "port mirroring" that allows to mirror
>             ip traffic from
>                  one vm network to another.
>
>                   >
>                   >
>                   > 2014-04-17 0:35 GMT+02:00 Matt .
>             <yamakasi.014 at gmail.com <mailto:yamakasi.014 at gmail.com>
>                  <mailto:yamakasi.014 at gmail.com
>             <mailto:yamakasi.014 at gmail.com>__>>:
>
>                   >
>                   > > Traffic issues are solved, but the advertising in
>             not that well.
>                   > >
>                   > > I see on ESXi (vSphere) that you need to enable
>             "Promiscuous
>                  Mode", but
>                   > > how on oVirt ?
>                   > >
>                   > >
>             http://www.blissfulidiot.com/__2013/11/using-carp-with-__vmware-esxi.html
>             <http://www.blissfulidiot.com/2013/11/using-carp-with-vmware-esxi.html>
>                   > >
>                   > > Do I need the vdsm-hook-promisc for it ? as I need
>             to make real
>                  settings
>                   > > on a VM there I think the vswitch only needs the mode.
>                   > >
>                   > > Information is welcome!
>
>
>
>
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>
>



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