On QFX Series Switches, EX4300 and EX4600 platforms, the following logs indicate that a parity error was corrected by the software. 

The following logs are observed:

time  switch : %PFE-3: fpc0 Parity error.. 

time  switch : %PFE-3: fpc0 Error in: miscellaneous transaction. 

time  switch : %PFE-3: fpc0 Blk: 1, Pipe: 0, Address: 0x1c00abc8, base: 0x0, stage: 7, index: 43976 

time  switch : %PFE-3: fpc0 Unit 0: mem: 2006=L2X blkoffset:10 

time  switch : %PFE-3: fpc0 Unit 0: CLEAR_RESTORE: L2X[2006] start_index: 35784 

time  switch : %PFE-3: fpc0 Unit 0: CLEAR_RESTORE: L2X[2006] start_index: 43976 

time  switch : %PFE-3: fpc0 Unit 0: CLEAR_RESTORE: L2X[2006] start_index: 52168 

time  switch : %PFE-3: fpc0 Unit 0: CLEAR_RESTORE: L2X[2006] start_index: 60360 

time  switch : %PFE-3: fpc0 Unit 0: CLEAR_RESTORE: L2X[2006] start_index: 68552 

time  switch : %PFE-3: fpc0 Unit 0: CLEAR_RESTORE: L2X[2006] start_index: 76744 

time  switch : %PFE-3: fpc0 Unit 0: CLEAR_RESTORE: L2X[2006] start_index: 84936 

time  switch : %PFE-3: fpc0 Unit 0: CLEAR_RESTORE: L2X[2006] start_index: 93128

These logs indicate that a parity error was corrected by the software. These logs do not indicate a degraded state and no further action is needed.

For further reference, please review the following documentation:
PR1245098 - Parity error is seen in miscellaneous transaction CLEAR_RESTORE: L2X[2006] start_index: 35784
https://prsearch.juniper.net/problemreport/PR1245098

06/04/23 Article Created

PR related to these logs - https://prsearch.juniper.net/problemreport/PR1245098