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High CRC error when conne...

High CRC error when connecting to a certain interface in a switch

Created: Nov 30, 2021 05:28:34Latest reply: Nov 30, 2021 05:43:49 162 5 0 0 0
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Hello is it possible that we get high CRC because the physical interface of a switch is defective? We tried using the same utp cable in other ports and we get 0 CRC errors


What other parameters could we test to check if this certain port is defective? 

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fuzi_yao
Admin Created Nov 30, 2021 05:43:49

Hi, friend!
If an interface is faulty, the CRC count may increase. Pay attention to the following points:
1. Check whether the CRC count keeps increasing.
2. Check whether the optical module or link is faulty.
3. If the fault is not caused by the media, check whether the fault is caused by a port.
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  • x
  • convention：

user_4224945
user_4224945 Created Dec 1, 2021 03:07:24 (0) (0)
hi friend, we are only using utp. we tried changing the cable and still have high CRC. we tried connecting on other interface as well and it is ok. would like to ask if s5700 switches has capability to test the reliability of its ports internally?  
fuzi_yao
fuzi_yao Reply user_4224945  Created Dec 1, 2021 03:25:15 (1) (0)
The reliability test of the test port must be performed in the lab. Check whether the fault is caused by a switch or a cable. If the fault occurs only on a port of the switch, contact the TAC center and ask professional hardware engineers to check the fault. In addition, you are advised to update the software version of the switch in a timely manner to ensure that the software version causes the limitation error or calculation error.  
user_4224945
user_4224945 Reply fuzi_yao  Created Dec 1, 2021 08:25:48 (0) (0)
thanks!  
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Nino_Chou
Nino_Chou Admin Created Nov 30, 2021 05:29:15

Hello, friend!
It's nice to meet you in the community.
We're working on getting the right answer for you.
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3#
fuzi_yao
fuzi_yao Admin Created Nov 30, 2021 05:43:49

Hi, friend!
If an interface is faulty, the CRC count may increase. Pay attention to the following points:
1. Check whether the CRC count keeps increasing.
2. Check whether the optical module or link is faulty.
3. If the fault is not caused by the media, check whether the fault is caused by a port.
View more
  • x
  • convention：

user_4224945
user_4224945 Created Dec 1, 2021 03:07:24 (0) (0)
hi friend, we are only using utp. we tried changing the cable and still have high CRC. we tried connecting on other interface as well and it is ok. would like to ask if s5700 switches has capability to test the reliability of its ports internally?  
fuzi_yao
fuzi_yao Reply user_4224945  Created Dec 1, 2021 03:25:15 (1) (0)
The reliability test of the test port must be performed in the lab. Check whether the fault is caused by a switch or a cable. If the fault occurs only on a port of the switch, contact the TAC center and ask professional hardware engineers to check the fault. In addition, you are advised to update the software version of the switch in a timely manner to ensure that the software version causes the limitation error or calculation error.  
user_4224945
user_4224945 Reply fuzi_yao  Created Dec 1, 2021 08:25:48 (0) (0)
thanks!  
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