""Larry Letterman"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Jimmy, > > The access switch(users) should not be oversubscribed by more than 3 to > 1....in my opinion.. > the total user bandwidth if you have a 12 port switch at 100 mb per port > is 1.2 gb...the switch needs to be able to > handle at least 400 mb of thruput ....
CL: I'm always curious about numbers. Long evenings in night school taking management courses. So if you don't mind, what is the rationale for this ratio? CL: just looking for a bit more education.... > > also the core switches should be faster than the access switches below > it.... > > if the core switch is 100mb, then the user access switches should 10 mb > switches with a 100mb > uplink to the core.... > > Jimmy wrote: > > >First of all, thank for the wonderful response. > > > >So from what you all have said. If the user is for normal purpose like > >running some application on servers and access the Internet. Will a 100Mbps > >be sufficient for 300 users. As for the users, they will be splitted into > >several group of around 15-20 each.Or a 10Mbps switch will be more than > >sufficient for it. > > > >Can i calculate the BW for each user in this manner: > >100M / 300 (no of user) > >Assuming full usage. > > > >Let say i have around 3 storey of about 300 users each, The backbone switch > >should be 10x the BW of each floor rite? > > > >Cheers, > >Jimmy > -- > > Larry Letterman > Network Engineer > Cisco Systems Inc. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=54181&t=54023 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
