From: Rene Mendoza (rene.mendoza@xxxxxxxxx)
Date: Thu Feb 08 2001 - 17:01:05 GMT-3
I have set up a lab involving two workstations running MCASTER to test
my multicast configs. They are on opposite sides of my network and are
able to join and receive traffic from multicast group. I have tested
dense and sparse modes and they work just fine. My question to anyone
is why can't the router ping the multicast group address? Does the
router have to join the group first? Also, one other observation (not
related to above), I can still ping a multicast address on one remote
router to the other even after I have removed all multicast related
commands. Example router X can still ping router Y when router X has
multicasting turned off. Router Y was given command ip igmp join-group
234.5.6.7 command. Here is the physical layout:
Router X-----frame cloud------RouterNY----------Serial---------Router
Y----eth0/0 where igmp join-group was added.
The show ip mroute command does not show any multicast routes on Router
X but I can still ping the 234.5.6.7 address. Makes you wonder if this
is a true test for your configs. Anyone else notice this?
thanks for any responses,
Rene Mendoza
Senior Consultant
Sabre
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