From: Ivan (ivan@iip.net)
Date: Tue Feb 06 2007 - 08:06:20 ART
By default, after user begin receive MC-traffic first hop router build SPT
(source) to source. You can prohibit SPT-building for each receiver.
ip pim spt-threshold infinity on the receiver first hop router.
On Tuesday 06 February 2007 11:17, johngibson1541@yahoo.com wrote:
> I know (S,G) will still exist in the path from the source to RP even in
> strict sparse-mode.
>
> In my home lab, only (*,G) is populated from the destination to the RP
> before I actually send ping, everything seems correct until I actually sent
> ping from source to destination.
>
> Once I actually send ping from the source to the destination. (S,G) just
> shows up in every router along the path.
>
> After the ping. If I wait for a few minutes, the extra (S,G) will
> disappear, everything comes back to normal.
>
> Is this normal ?
>
> My doubt is that if (S,G) will be everywhere when the multicast application
> is sending packets, then sparse-mode is not superior than dense-mode at all
> if only consider keeping the mroute table small.
>
> So, in concern of keeping the mroute table small, sparse-mode is superior
> only if the applications don't constantly send data.
>
>
> John
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
-- Ivan
This archive was generated by hypermail 2.1.4 : Thu Mar 01 2007 - 07:38:46 ART