""Zsombor Papp"" wrote in message news:[EMAIL PROTECTED] > At 09:12 PM 7/3/2003 +0000, Rajesh Kumar wrote: > >How about configuring a "storm control" for multicast which will avoid these > >problems? > > I think she tried it (see config at the end) and it didn't work. I also > think btw that storm control is an inbound feature so it's probably not > what's needed here. > > I briefly looked at the documentation and my impression is that 'switchport > block multicast' is the command that would solve exactly this problem (ie. > preventing mcast packets to be sent). However she seems to have tried that, > too, so I am not sure what to say. > > If nothing else helps, then configuring the 3550 as a router might be an > option. But I am really curious why blocking didn't do the trick.
who knows what bugs may lie hidden in the IOS? ;-> if all else fails, why not block the source address via an access-list? or throw some rtate-limiting into the mix? guess I should break outr my docs atnd ponder a while as well. > > Thanks, > > Zsombor > > > >-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" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=71880&t=71820 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
