Multicast within a tunnel

From: Gerry Hilton (gerry.hilton@rogers.com)
Date: Thu Mar 20 2003 - 18:37:34 GMT-3


Hi. When tunnelling multicast through a tunnel, does ip pim
sparse-dense-mode have to be configured on the physical interfaces also?
 The following passes with mrm, but router7 doesn't show an rp mapping.

Thanks.
   Gerry

router2:

interface Tunnel27
 ip address 17.17.17.2 255.255.255.0
 ip pim sparse-dense-mode
 ip mrm test-sender
 tunnel source 200.0.0.2
 tunnel destination 200.0.0.7
end

router7:

interface Tunnel17
 ip address 17.17.17.7 255.255.255.0
 ip pim sparse-dense-mode
 ip mrm test-receiver
 tunnel source 200.0.0.7
 tunnel destination 200.0.0.2
end

router7-1750-2#sh ip pim rp map
PIM Group-to-RP Mappings

router7-1750-2#



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