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10G link between ASR9K and ASR 920 flapping on 9K side

Julie Tupling
Level 1
Level 1

We have a 10G dark fiber link between an ASR 9K router and an ASR 920 that are in neighboring buildings - there is no active devices in the path, just patchpanels. We are using SFP-10G-LR SFP+ modules.

On both sides the Rx power is around -7

On the ASR 920 it shows the circuit as up, up. 

On the ASR 9K side they are seeing the circuit flapping and are receiving the following error:

       LC/0/0/CPU0:Aug  9 13:19:28.311 : vic[373]: %PLATFORM-VIC-4-RFI : Interface TenGigE0/0/2/2, Detected Remote Fault

What can cause this issue?

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