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03-08-2020 04:07 AM
03-08-2020 04:07 AM
Excessive CRC% Alignment error
I have HP Switch 5412Rzl2 core switch on my network and I alwayes get this error notification Excessive CRC% Alignment error on port E1, end E module is Fiber connections
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03-08-2020 04:52 AM - edited 03-08-2020 04:53 AM
03-08-2020 04:52 AM - edited 03-08-2020 04:53 AM
Re: Excessive CRC% Alignment error
Hi! Try to be a little bit more detailed...you described only the issue outcoming...without the whole scenario it's difficult to help you...so try to contextualize your problem.
Please, provide:
- output of show modules CLI Command (sanitized by obfuscating S/Ns)
- output of show version
- output of show flash
- output of show tech transceviers (sanitized by obfuscating S/Ns) <-- especially for E1
- output of show interface E1 detail (taken BEFORE and AFTER a clear statistics ethernet E1...at some point, you should indeed clear ethernet statistics for port E1 to see if related CRC errors' count is rising or not after the statistics reset)
- describe WHO/WHAT is connected on the far end of port E1 (OK, fiber optics...but what...the peer is OK?)
- describe HOW E1 is connected (OM3 Multi-Mode fiber optic cabling? Patch cables are certified? Cabling is certified?)
- output of show running configuration interface ethernet E1 (to show us HOW that port is currently configured)
- output of show lldp info remote-neighbour ethernet E1 (to understand what your core hears on the other end of E1)
Start with that...
I'm not an HPE Employee