Multicast frustration.

21 01 2009

Ugh!   Just been doing some testing with PIM sparse mode and run up against what is probably a code issue.

The situation – two routers connected together over ethernet.  R1 has ‘ip igmp join-group 230.0.0.1’ on its ethernet interface – this makes it a listener for that group.   R2 is a PIM bootstrap router (BSR) and rendezvous point (RP).   Now, I should be able to ping 230.0.0.1 from R2 and receive a response, but I wasn’t getting anything. Read the rest of this entry »