[c-nsp] router does not see IGMP joins

[Victor Sudakov]

Victor Sudakov wrote:
> 
> What could be the reason that a Cisco 1841 router (IOS 12.4(13r)T)
> does not see IGMP joins to a particular group? tcpdump shows that the
> joins are being sent to the network, however "debug ip igmp 224.0.1.3"
> does not show them.

It seems that the problem disappeared after the host sending IGMP
joins was moved from a hub (10BASE-T HD) to a switch (100BASE-T FD). 

I am still confused about the possible cause of the problem.

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru