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Why use a network cable connected on both ends of the head and tail of the switch can lead to abnorm

Time:11-01


Today in the dormitory with a cable connect ports 2 and 3, as a result, even the one port of the computer network is unusual, is this why?
If caused by ARP broadcast storm, I think unlikely, my computer want to know the same LAN MAC address, can send the radio, but 2 and 3 port will receive broadcast packets, but the ARP is not their IP address (no IP address), is discarded
If 2 and 3 port forwarding to each other, this is how to cause? Good confusion!!!!! Is it switches to form the MAC table went wrong?
For detailed answers!

CodePudding user response:

Circuit loop back!!!!!!!!!!

CodePudding user response:

reference 1st floor nowayx response:
circuit loop back!!!!!!!!!!
that would cause what consequences?

CodePudding user response:

Loop network, a broadcast storm, causing the network paralysis

CodePudding user response:

Loop network, a broadcast storm, causing the network paralysis

CodePudding user response:

Form the broadcast storm, the source MAC address of the data will continuously in the two interfaces, the switch will form a new state of learning

CodePudding user response:

The loop ~ ~ ~ ~ ~ ~ ~ ~ ~

CodePudding user response:

Switch the broadcast storm

CodePudding user response:

Problems come, big, consistent in the loop! There is no limit to

CodePudding user response:

Yes, the broadcast storm,

CodePudding user response:

Switches to deal with the unknown is flooding broadcast packets way, not what you say directly discarded,

CodePudding user response:

If the switch for the spanning tree ring should be able to solve the fault prevention,
But if it is a common switch, doing so will cause the loop,

CodePudding user response:

Should be a loop, form the network storm
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