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M4300-28G-POE+: LAG + Port Mirroring results in high number of Transmit Packet Discards
Hello, I have an issue with a M4300-28G-POE+ model. The setup I have is quite simple: * 2x1 Gbit links are used which are batched into a LAG * The LAG is mirrored to a probe port. * Jumbo pack...
Hi foobar12345,
It seems that you were having problem with LAGs on your switch. May you be able to try resetting it to factory default and then just enable LAG on the same port without changing any MTU or other settings. Then try to connect it back again and see if it will show the same issue.
Welcome to the community!
Regards,
Dear JohnCarloV,
I've reset to factory default settings as suggested. The MTU is set now back to 1500 bytes. I've re-established the LAG (without any further changes to the MTU) with the 2x1Gbit ports and mirrored the LAG to a probe port. The observed result is the same with regards to the bandwidth and Discarded Transmit Packets. I've replayed the scenario (with the expected ~170Mbit/s) BUT with 1500 bytes packet size, but on the probe port I can still measure the ~100Mbit/s network load only.
Are there any assumptions or hints what else could I try?
Best Regards,
I.
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