How about configuring a "storm control" for multicast which will avoid these
problems?

-rajesh


TP wrote:

> Dear Group,
>
> I need help about multiscast.
> This is a simple topology... I've to test some video streamer devices so I
> must generate multicast traffic.
> All video devices are connected to a catalyst 3550xl.
> We can reach the office LAN  through the same catalyst, in particular
from/by
> fastethernet0/1.
>
> I must avoid that multicast traffic genereted locally  floods the LAN
> creating
> excessive traffic.
> Can I achieve this?
>
> This is the configuration runnig...it doesn't work. I mean  when I generate
> multicast traffic it crosses  fe0/1 and reachs the rest of the LAN
> degrading network performance.
>
> Any help will be appreciated.
> Thank you.
> Teresa
>
> interface FastEthernet0/1
>  switchport protected
>  switchport block multicast
>  no ip address
>  storm-control multicast level 20.00
>
> System image file is
> "flash:c3550-i9q3l2-mz.121-11.EA1/c3550-i9q3l2-mz.121-11.EA
> 1.bin"




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