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access link N5k to N5k is failing

Hi,

I have 4 N5ks  ( 2 in each cage) and as per management request we set up a link between the existing  N5k that is in the old cage and fully configured and running VPC to its mate and a single N5k in a new cage

we connected them using a 10Gig OM3 fiber and cisco FETs. we utilized the E1/30 on one side and E1/11 on the new cage side ...

disabled BPDU guard on both ...  but it seems like  after several hours of link up ..the link just shuts down and we cant bring it up unless we reboot the new cage N5k. In logs it shows: that the traffic flow send link down ... and then when i try shut no shut   the next i see in logs is admin down but it doesnt show admin down on the interface itself only in logs...

  • LAN Switching and Routing
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