IPv4 Multicast

Colby Glass colbycciestudy at gmail.com
Tue May 18 15:43:55 CDT 2010


My mcast is rust, but look into CGMP. Switches flood multicasts out all
ports by default.

-- 
Colby Glass
Network Engineer
http://blog.alwaysthenetwork.com

On Wed, May 12, 2010 at 12:07 PM, Rens <rens at autempspourmoi.be> wrote:

> I have done some tests with multicast streams, sender & receivers all in
> the
> same layer 2 vlan, but I also have a pc with just wireshark and I can see
> all this traffic.
>
> I can see that IGMP is enabled on all interfaces but do I need enable
> something else?
>
> Vlan 200:
> --------
> IGMP snooping                       : Enabled
> IGMPv2 immediate leave              : Disabled
> Explicit host tracking              : Enabled
> Multicast router learning mode      : pim-dvmrp
> CGMP interoperability mode          : IGMP_ONLY
>
>
> -----Original Message-----
> From: Mikael Abrahamsson [mailto:swmike at swm.pp.se]
> Sent: mardi 11 mai 2010 15:43
> To: Rens
> Cc: nanog at nanog.org
> Subject: Re: IPv4 Multicast
>
> On Tue, 11 May 2010, Rens wrote:
>
> > Does anyone have any configuration examples for this or tutorials,
> > everything on the net seems way to complex for my needs.
>
> Multicast Quick-Start Configuration Guide
>
> <
> http://www.cisco.com/en/US/tech/tk828/technologies_tech_note09186a008009482
> 1.shtml<http://www.cisco.com/en/US/tech/tk828/technologies_tech_note09186a008009482%0A1.shtml>
> >
>
> --
> Mikael Abrahamsson    email: swmike at swm.pp.se
>
>
>



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