05-03-2018 11:46 PM - edited 03-08-2019 02:53 PM
Hi,
I have a SG350X which is connected to a Mellanox 6036 in Ethernet mode via a 4:1 splitting cable.
The Port on the Cisco is complaining about a Duplex mismatch every 5 minutes.
Since this is a 10G Port, no manual duplex configuration can be performed.
The Mellanox setup is correct, it has been in place since before the Cisco was brought in.
I am investigating a strange (temporarily occurring) STP issue that recently began, thats why I noticed this issue in the first place.
Any idea why that would be/how to resolve it?
Thanks
Solved! Go to Solution.
01-08-2019 01:13 PM
Ok,
after ignoring this for a couple of month i looked at it again.
I found this: https://community.cisco.com/t5/routing/cdp-sw1-4-duplex-mismatch/td-p/3021049
So i disabled CDP as suggested and the problem is gone...
05-26-2018 01:24 AM
So nobody never had that issue, heard of it, solved it?
08-11-2018 01:45 AM
Still getting
"DUPLEX_MISMATCH - Duplex mismatch detected on interface te1/0/3." every 5 minutes :/
01-08-2019 01:13 PM
Ok,
after ignoring this for a couple of month i looked at it again.
I found this: https://community.cisco.com/t5/routing/cdp-sw1-4-duplex-mismatch/td-p/3021049
So i disabled CDP as suggested and the problem is gone...
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