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If certain stream/packets is getting dropped in the IGR. IGR_MISC_FATAL_ERROR accounts for all issue such as "L1 errors on the link/Phy", "corrupted frames" , "malformed l2 packet headers" , and also parity errors due to random memory bit flips. CAT-9K#show plat hard fed sw act fwd-asic drop except | ex 0 0 0 ****EXCEPTION STATS ASIC INSTANCE 0 (asic/core 0/0)**** ================================================================================= Asic/core | NAME | prev | current | delta ================================================================================= 0 0 IGR_MISC_FATAL_ERROR 293040 293045 5 ← MISC FATAL ERROR
Parity errors due to random memory bit flips. it is highly unlikely to happen repeatedly on the same box, and a reload should fix it. In the event these occur again shortly after a reload, these instead are hard parity errors. Reload should be consider for the Single Event Upset
Reload the box to reset the values
This is an enhancement bug to track such issues, and detect a parity error in the system
Cisco Integration
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