[c-nsp] ME3600X sends Multicast-Copies out of same Interface

Christian Meutes christian at errxtx.net
Fri Aug 10 05:51:23 EDT 2012

Hi Waris,

it's 15.2(2)S.

On Aug 7, 2012, at 12:22 PM, Waris Sagheer (waris) <waris at cisco.com> wrote:

> Hi Christian,
> Can you tell me the software release?
> Regards,
> Waris
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Christian Meutes
> Sent: Friday, August 03, 2012 1:37 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] ME3600X sends Multicast-Copies out of same Interface
> Hi,
> when IGMP-joining (ip igmp join-group) interface of ME3600X eg. a Loopback, while other interfaces on same ME are programmed to forward this group, copies are sent out of those  interfaces (every incoming Multicast packet for the group is sent out of the same interface twice).
> Couldn't find bug for this behavior and don't want to spend too much time in TAC discussions to get told that the usage of such configurations is highly doubtful and a plattform limitation or that it's indeed a bug but gets lowest priority.
> Maybe here is chance that just anyone can confirm this and Cisco gets aware of it.
> regards
> Christian
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