When is a broadcast domain to big


I am currently studying for the CCNA and I just learned about Broadcast domains. In the company I work for we have about 45 workstations and 15 servers in one broadcast domain. We do not have any issue or problems but I wonder now if there a recommended max value of hosts in a broadcast domain?
Or in other words - at what amount of hosts should I start thinking about splitting this broadcast domain up?

Thank you
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I think a similar question has already been answered here. See:


Additionally you might want to check the amount of broadcasts through a switch interface by using the command

show interface interface counters

On CatOS, show top will help show statistics for interfaces.

Peter Chuba.

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