unfortunately speed and duplex negotiation will not always give you the desired results. The recommendation in this case is to set speed and duplex to the desired values and not to use autonegotiation.
If you are sure both ports interconnected do support GigE then set the speed to 1000 and duplex to full.
I would look at the nic settings on these systems to see what they are set as , switch settings don't matter if the nic settings are set as something else . The switch can always sense speed ok but if the nic is set as something else then it will set the speed to the nic speed . Also you must verify the patch cables even if new , the cables must have 4 good pairs end to end as gigabit speeds take all 8 conductors , if you have 1 bad wire anywhere in that connection path it will default to 100 meg .
Question We run asr9001 with XR 6.1.3, and we have a very long delay to
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