[c-nsp] FWSM blocking multicast traffic between two hosts in same Vlan?

[David LaPorte]

We ran into a similar problem with the FWSM.   We found out that having
both an IGMP joiner and a multicast source on the same side of the FWSM
is unsupported.  Check out bug CSCsg51266.

Dave

Joann Deng wrote:
> Hi,
> 
> We have hosts in the same Vlan, which connects to FWSM
> (routed mode). These two hosts run WebLogic, which
> uses multicast address 237.155.155.2 to communicate.
> But somehow, when run "ping 237.155.155.2" on one
> host, cannot see response back from the other.
> So, is it possible that FWSM is doing something fancy,
> like blocking multicast traffic, and we need to add
> some configs?
> Any input is highly appreciated.
> 
> Thanks,
> 
> Joann
> 
> 
>        
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