This is a discussion on Re: [fw-wiz] Conundrum - IGMP and IPSec - Firewalls ; Situation in the case is that we're implementing equipment that uses multicast to talk between multiple instances of themselves - I'm not clear yet whether there'll be a designated talker with multiple listeners, or whether there'll be multiple talkers and ...
Situation in the case is that we're implementing equipment that uses
multicast to talk between multiple instances of themselves - I'm not
clear yet whether there'll be a designated talker with multiple
listeners, or whether there'll be multiple talkers and multiple
I'm reading the doco now - thanks for the tip. This should provide me
with a running start.
I'll be interested in finding out whether I can use a layer3 switch at
each end to do this, or if I need edge routers to set this up.
On 1/28/07, Chris Myers
> > Hi Kurt,
> I am not sure what you are exactly needing to use the IGMP for, but
> most firewall and vpn solutions can do what you want to do. It's a
> matter of creating the right tunnels or forwarding the right ports
> and protocols. Cisco is a solution, but Juniper can do it just as
> well. It really depends on the implementation you are needing IGMP
> for. IGMP is associated with multicast formats, so here is a Cisco
> doc that should get you started.
> > http://www.cisco.com/application/pdf...ol/ns171/c649/
> > ccmigration_09186a008074f26a.pdf
> Thank You,
> On Jan 26, 2007, at 1:55 PM, Kurt Buff wrote:
> > Honorable Ones,
> > I've been handed the task of getting IGMP traffic between remote
> > offices, over an IPSec tunnel.
> > I have run into the apparently well-known issue of their not playing
> > nicely together, and was wondering if I could get recommendations on
> > making such a thing happen.
> > We're looking at upgrading/replacing our current hardware soon anyway,
> > so recommendations as to brands that would help support this would be
> > useful, as would workarounds that don't require replacement of current
> > hardware, as I believe that would broaden the choices I have when I do
> > upgrade.
> > I'm stumped, not least because my network-fu is not up to the
> > standards of many on this list, and would really appreciate some
> > pointers in the right direction.
> > Kurt
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