Hansang Bae asked a great question. I have hung myself by setting up Mulitcast on a device in a legacy (FAT LARGE ) network. In doing so i only thought about L3.. well multicast uses the same L2 flag as bcast.!!!!!
On Wed, 2008-02-20 at 19:22 -0500, Hansang Bae wrote: > joans4nz wrote: > > I'm a network administrator in my new job and when I ran Wireshark I saw > > to much ARP traffic level and Ntop show 86% broadcast traffic to. > > > > There are DHCP server and 350 Windows stations. My boss dont know > > nothing about networks and I propose to my boss buy a layer 3 switch and > > create vlans to reduce the broadcast traffic levels, but my boss ask > > what must be the normal levels of broadcast traffic in the LAN network. I > > have search in google and I can't find a good response > > to that question, I feel bad without a good answer and reference. > > > > Could any in the list help me please? > > > > Thanks for your time and excuse my english. > > > Is there a problem you want to resolve? The days of users firing up > Doom (pre 1.1) and killing 486 based PCs because of broadcast packets is > long gone. Where did you capture from? 86% of TOTAL traffic on your > network is broadcast? Or just what you are seeing on your port? Are > you running any multicast based apps that is being reported as broadcast? > > The CCDA design numbers Stewart posted is not really something that > should guide you. One can argue all day about legitimacy of those > numbers. > > _______________________________________________ Wireshark-users mailing list Wireshark-users@wireshark.org http://www.wireshark.org/mailman/listinfo/wireshark-users