TP wrote: > > Thank you at all for your support. > Just few comments (sorry for delay but when you are working I'm > sleeping ;)). > > - I can not configure the 3550 as router. I can not change IP > and subnet for > many reasons. > - I can not configure VLAN, I've no chance to configure here > inter vlan > routing > - I've bought 3550 because of IGMP snooping...but It seems that > it does not > work
Teresa, When I went to the Software Advisor on CCO, IGMP Snooping didn't show up as a supported option for the 3550. Did your sales team lead you astray? I'd take them to task if they did... > > Maybe access-list or something based on mac control can help > us to avoid that > our tests based on multicast traffic floods on all the LAN. > > I can configure the multicast address (so I can know the > multicast layer 2 > mac). > Wich is the configuration (if any) I've to set on fastethernet > 0/1 in order to > avoid that the specific multicast mac go out from this port? > > Anybody knows why switchport block multicast doesn't take any > effect? Sounds as if your hardware is new. Can you open a TAC case? > > > Thank you again and have a nice week end. > Teresa > > > > ----- Original Message ----- > From: Priscilla Oppenheimer > To: [EMAIL PROTECTED] > Sent: Friday, July 04, 2003 5:35 AM > Subject: RE: avoid multicast storming on catalyst fe [7:71820] > > > Couldn't you use a VLAN? Maybe that's too much work since > you're just > testing though.... But VLANs divide broadcast/multicast > domains... > > Priscilla > > 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=71987&t=71820 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]