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Traffic drops after IPS update Technical Level
Symptoms
  • Traffic drops after IPS update.
  • When running fw ctl zdebug + drop the following error is seen:
    fwpslglue_chain Reason: PSL Drop: INSPECT_STREAMING_MT_0;
  • Running a kernel debug also shows the following drop:
    dropped by fwpslglue_chain Reason: PSL Drop: INSPECT_STREAMING_MT_0;
Cause

The Issue is due to corruption during the IPS update. The file $FWDIR/conf/SMC_Files/asm/crc_marker stores the Cyclic Redundancy Check (CRC) files for IPS updates. Most likely it got corrupted.


Solution
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