dhcp stopped providing IP addresses was because somebody connected the ends of a network cable into two live ports

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android curtis

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Apr 9, 2014
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Net Admin said segment was broken when the two ends of a network cable were plugged into two different live ports. Is this baloney or true?
 
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abailey
This is most likely true (if the 2 ports can "see each other", meaning they are on the same VLAN or are being routed). When you plug both ends of a network cable into a switch like that you cause a network loop. Usually this results in a switch shutting down the last port you connected, but sometimes other things can happen that cause real problems. Though I have never seen it cause a DHCP to stop providing addresses.
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abailey

abailey

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Mar 23, 2014
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This is most likely true (if the 2 ports can "see each other", meaning they are on the same VLAN or are being routed). When you plug both ends of a network cable into a switch like that you cause a network loop. Usually this results in a switch shutting down the last port you connected, but sometimes other things can happen that cause real problems. Though I have never seen it cause a DHCP to stop providing addresses.
 
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