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switch uplinks

Is there a limit to how many switches you should uplink in a line ? also what should i use a a core switch baring in mind that all my switches are 100 meg.

thanks

2 REPLIES
Cisco Employee

Re: switch uplinks

Hi Carl,

The limit when uplinking in a line, or "daisy chaining" is a function of the STP diameter, assuming that you're using 802.1D STP. The conservative default values for the STP timers impose a maximum network diameter of seven. You can go beyond this, but it would require tuning the STP timers, as well as resulting in an STP convergence even longer than the standard eternity of 50 seconds.

As for what to use as a core switch, that all depends on how much traffic is going to go through it. Based on the limited info I have, a Catalyst 4500 will have plenty of horsepower.

HTH,

Bobby

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Community Member

Re: switch uplinks

what would happen if I had say 16 switches diasychained ? what problems would this cause ?

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