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Is it true that a switch plugged into a Cisco Switch can disable that port?

I am being told that if I plug a 8 port switch into a Cisco 2950, that the port I plug into will be disabled.  OK, for some reason I do not buy it.  I have a couple of these already deployed around campus and do not seem to see any issues.  Then again, I am not a Cisco switch expert.  I know the Cisco is using spanning tree protocol if that helps.

Curious  
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ACAWI
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ACAWI
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1 Solution
 
ShareefHuddleCommented:
If you have created a loop yes it will shutdown the port. If you are just extending your network with only one port plugged into switches you will be fine.
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ACAWIAuthor Commented:

ShareefHuddle,

Quick answer, Awesome!  

Could you give a quick example of creating a loop?  As of now, the switch would only extend the network because of a lack of available wired ports back to the Cisco.  All devices connected to the additional switch would use the network DHCP server for IP address assignment.

Curious
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ShareefHuddleCommented:
Loop would be if you plugged that switch into your cisco and then you plugged another port on that switch to the cisco or to a switch that is connected to the cisco.
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ACAWIAuthor Commented:
Got it.  Makes sense now.  Thanks for your quick responses.
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