Re: ping a multicast address specifying source interface

This is normal IOS behavior around the 12.4 train, where regardless of what
source interface you specify, all configured multicast interfaces actually
send out the same packet.
It's not GNS3, it's the IOS.

On Tue, Oct 23, 2012 at 11:20 AM, ccie99999 <ccie99999_at_gmail.com> wrote:

> Hi guys,
>
> is it just me and my gns3 or ping to a multicast address specifying the
> source interface does not work very well?
>
> I've a lab where I filter sources using "ip pim accept-register list"
>
> my expectation are that I can filter all sources in the access-list
> specified in the command above.. and this works. (in the access-list
> loopback addresses are permitted)
>
> I would also expect that if I do ping 224.x.x.x source loo 0 this would
> work.. but it doesn't.
>
> I'm using ip pim sparse-dense mode and I've specified the rp-address.
>
> the ip pim sparse-mode is configured also on the loopback interfaces.
>
> on the rp I get these messages even when I ping from loopbacks:
>
> %PIM-4-INVALID_SRC_REG: Received Register from y.y.y.y for (x.x.x.x,
> 224.x.x.x), not willing to be RP
>
> where am I wrong?
>
> thanks
>
> --
> @ccie99999
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>

-- 
Pavel Bykov
Blogs and organic groups at http://www.ccie.net