CRC error keeps increasing on s6720

Created: Mar 8, 2019 11:00:31Latest reply: Mar 15, 2019 13:11:27 294 4 0 0
  Rewarded Hi-coins: 0 (problem resolved)

PC connect to the switch with high lantency, and I checked the interface, the CRC error keeps increasing all the time even though the connected wire was replaced, where should I do next?

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chenhui  Enthusiast Technician   Created Mar 8, 2019 15:42:31 Helpful(0) Helpful(0)

please check if the optical transceiver works fine,
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Mhl2     Created Mar 9, 2019 18:40:56 Helpful(0) Helpful(0)

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chenhui  Enthusiast Technician   Created Mar 11, 2019 09:37:32 Helpful(0) Helpful(0)

usually, the CRC error is caused by the physical wire links or the links are not tight to the optical module
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Mohamed_Mostafa  Enthusiast Technician   Created Mar 15, 2019 13:11:27 Helpful(0) Helpful(0)

It is usually a physical issue  ... you can use
<HUAWEI> display interface 10ge 1/0/1 transceiver verbose
for further checking 
https://support.huawei.com/hedex/pages/EDOC110005400031180APG/04/EDOC110005400031180APG/04/resources/dc/display_interface_transceiver.html?ft=0&fe=10&hib=8.5.1.18&id=EN-US_CLIREF_0141119967&text=display%20interface%20transceiver&docid=EDOC1100054000

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Network & Security Engineer

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