> Source: [sk146192](https://support.checkpoint.com/results/sk/sk146192)

# sk146192 - Outbound IP fragmented multicast packets cause Security Gateway crash

| Property | Value |
|----------|-------|
| Solution ID | sk146192 |
| Date Created | 2019-02-01 |
| Last Modified | 2019-10-30 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * R80.20 Security Gateway drops IP fragments with a multicast destination and eventually crashes.  

* Kernel debug shows:  

  `
  @;PID;[cpu_2];[fw4_1];fw_log_drop_ex: Packet proto=17 192.x.x.x:40822 -> 225.x.x.x:5001 dropped by fwfrag_expires Reason: timeout has expired for fragment;`  
  `
  @;PID;[cpu_2];[fw4_1];fwfrag_expires: IP fragment expiration reached, freeing cookies;
  `   

* syslog includes messages like\< `[SIM4];resume_from_error: failed to get ci_or_corr`

## Solution

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