Michael-
SSM is working, so you've already verified that PIM is configured, as
well as IGMP on the LAN. If it's on the network side, it's most likely
a MSDP (or RP) problem. Some odd IGMP issues on the local switched
network could cause a problem, and well as buggy host problems, both of
which are harder to diagnose.
Start at the DR router (the one closest to non-receiving beacon).
Verify that the RP-mapping is there, and a route to the RP. Check the
RP to ensure that MSDP has a source-active for the group (or if the DR
router is the RP, just check it there). Verify RPF along the way.
Also remember that MSDP needs to have inet.2 & interface-routes, just
like PIM, so if you created a PIM rib-group, apply it to MSDP as well.
This of course assumes that because you're using beacons there are
several active sources and listeners. Otherwise, always check for active
sources and listener interest first.
-Chris
Judd, Michael (Michael) wrote:
question; I am working on an issue where a multicast beacon receives SSM
sources but not ASM sources. Other beacons in the network can see both ASM and
SSM. I am wondering what I should check first.
Thank you
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%%%%%%%%%%%%%%%%%%%%%%%%%%%
Chris Spears, OARnet
Senior Routing Engineer
phone: 614-292-9415
fax: 614-728-8110
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