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What's the difference between unplugging the cable and the command shutdown

Created: Apr 28, 2019 00:52:25Latest reply: Apr 28, 2019 08:12:34 510 3 0 0 0
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Are the following actions the same?

When unplugging the cable from the interface of the device.

When shutting down the interface of the device.

Does shutting down the interface stop transmitting / receiving the optical connector?

I want to know if the behavior is different when disconnecting cables and shutting down in fault test.

  • x
  • convention:

Featured Answers
Popeye_Wang
Admin Created Apr 28, 2019 01:17:16

Hey there!

For the fault test, there is a slight difference between them. Always shutting down the interface provides a bit better performance results than unplugging the cable. 

Since when you run the 'shutdown' command, the system knows you want to shut down the port actively and it can make some preparations before totally shutting down the port so that the service can have the smallest impact. 

However, unplugging the cable can cause the port to suddenly go into a 'down' status. The system couldn’t make any preparations. So, always shutting down the interface has a bit better performance results than unplugging the cable @Sprout.
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  • x
  • convention:

All Answers
Popeye_Wang
Popeye_Wang Admin Created Apr 28, 2019 01:17:16

Hey there!

For the fault test, there is a slight difference between them. Always shutting down the interface provides a bit better performance results than unplugging the cable. 

Since when you run the 'shutdown' command, the system knows you want to shut down the port actively and it can make some preparations before totally shutting down the port so that the service can have the smallest impact. 

However, unplugging the cable can cause the port to suddenly go into a 'down' status. The system couldn’t make any preparations. So, always shutting down the interface has a bit better performance results than unplugging the cable @Sprout.
View more
  • x
  • convention:

Popeye_Wang
Popeye_Wang Admin Created Apr 28, 2019 01:20:04

After you run the shutdown command, the interface does not receive or transmit optical signals.
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  • x
  • convention:

kois
kois Created Apr 28, 2019 08:12:34

Posted by Popeye_Wang at 2019-04-28 01:17 For the fault test, there is a slight difference between them. Always shutting down interface has a ...
I thought both are the same, it seems that I was wrong.
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  • x
  • convention:

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