Multicast ping

From: GAURAV MADAN (gauravmadan1177@gmail.com)
Date: Fri Aug 22 2008 - 10:10:17 ART


        / R5-----------
       / |
      / |
R3 / -----------------vl 58
     \ SW2
      \ |---------------- vl 18
       \ |
        R1--------------

Hi All

I have above topo . R1 , R3 . R5 are running PPPoFR . working good .
SParse mode is working on all links

From SW2 I am pinging to groups joined by R3 . That is also fine .
But I see that path taken in via R1 .

If I give source interface as vlan 58 ; it doesnt ping .
What can be reason for this ?

Thnx
Gaurav Madan.

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