Re: MAC Machines | Bonjour Protocol | OT

What is sad is Cisco uses this(bonjour) for their security ip security
cameras for diagnostics.

Tony

On Mon, Nov 23, 2009 at 4:19 AM, Samer Labaky <samer.labaky_at_bmbgroup.com>wrote:

> Thank you a lot,
>
> so no way to make it work without this software solution ?
>
> Can we buy it ?
>
> Is there any official document on the internet saying that this cannot
> work.
>
> I need to convince my client by something on the internet.
>
> Thank you a lot guys for your support.
> Samer
>
>
>
>
> -----Original Message-----
> From: Alexei Monastyrnyi [mailto:alexeim73_at_gmail.com]
> Sent: Monday, November 23, 2009 11:51 AM
> To: Keegan.Holley_at_sungard.com
> Cc: Samer Labaky; Cisco certification; nobody_at_groupstudy.com; Rick Mur
> Subject: Re: MAC Machines | Bonjour Protocol | OT
>
> There is a custom solution to this issue, unfortunately not available
> for public use. I have just checked with the authors, they have embedded
>
> that into their software solution for stock trading. Essentially it
> tunnels via TCP whatever is on that group 224.0.0.251. This runs in form
>
> of Windows service or Unix daemon (currently on OSX, Solaris and Linux)
> and quite a complex application in itself, capable of intercepting
> Bonjour requests, tunneling, conditionally multicasting them into a
> destination segment etc etc.
>
> Not sure if it helps. ;-) It is amazing however which ways people take
> to make things working. They once hit the problem and just developed a
> solution in a matter of week. :-)
>
> Cheers,
> A.
>
> Keegan.Holley_at_sungard.com wrote:
> > That you'd have to look up... I sniffed it and multicast dns
> definitely
> > uses a link local address (224.0.0.251) so it can't be routed. The
> easy
> > way would be to put the hosts back in the same vlan and just leave
> them in
> > different IP subnets. I'm not sure if this would break something else
>
> > though. Private vlans also come to mind, but that somehow seems like
> > overkill.
> >
> >
> >
> > From:
> > Samer Labaky <samer.labaky_at_bmbgroup.com>
> > To:
> > "Rick Mur" <rmur_at_ipexpert.com>, <Keegan.Holley_at_sungard.com>
> > Cc:
> > "Cisco certification" <ccielab_at_groupstudy.com>,
> <nobody_at_groupstudy.com>
> > Date:
> > 11/23/2009 02:08 AM
> > Subject:
> > RE: MAC Machines | Bonjour Protocol | OT
> > Sent by:
> > <nobody_at_groupstudy.com>
> >
> >
> >
> > Thank you all for your reply,
> >
> > So what can be done in order to make these MAC hosts communicate
> > together across VLANs ?
> >
> > Is there any official website saying that they cannot work ?
> >
> > My client needs it and is not stopping asking me about it :)
> >
> > Help guys
> >
> > Thank you
> > Samer
> >
> > -----Original Message-----
> > From: Rick Mur [mailto:rmur_at_ipexpert.com]
> > Sent: Monday, November 23, 2009 8:54 AM
> > To: Keegan.Holley_at_sungard.com
> > Cc: Samer Labaky; Cisco certification; nobody_at_groupstudy.com
> > Subject: Re: MAC Machines | Bonjour Protocol | OT
> >
> > I'm also not aware that this can work with multicast routing. You also
> > have an issue with IGMP Snooping as it doesn't do IGMP, so on a switch
> > where this is enabled it will not work.
>
>
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Received on Mon Nov 23 2009 - 07:48:48 ART