Re: MAC Machines | Bonjour Protocol | OT

Scott,
are you sure about unicast?

http://www.cisco.com/en/US/docs/ios/ipmulti/configuration/guide/imc_inter_mc_helper_ps6350_TSD_Products_Configuration_Guide_Chapter.html#wp1056417

I don't see any options for unicast in there.

Cheers,
A.

2009/11/25 Scott Morris <smorris_at_ine.com>

> You COULD use the multicast --> broadcast (or unicast) conversion
> process... I believe the term in documentation is Multicast
> Intermmediate Helper Address or something that.
>
> Not pretty, but functional. Bonjour is a kinda chatty protocol you may
> not really want floating around your larger network (or vlan for that
> matter). Just my opinion.
>
>
>
>
> *Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,
>
> JNCIE-M #153, JNCIS-ER, CISSP, et al.
>
> JNCI-M, JNCI-ER
>
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>
> Samer Labaky 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 Wed Nov 25 2009 - 12:55:26 ART