> Source: [sk173545](https://support.checkpoint.com/results/sk/sk173545)

# sk173545 - UDP connections through a Scalable Platform Security Group break

| Property | Value |
|----------|-------|
| Solution ID | sk173545 |
| Date Created | 2021-05-17 |
| Last Modified | 2024-01-29 |
| Technical Level | General |
| Products | Scalable Platforms |
| Versions | R81.10 (EOS), R81 (EOS) |
| OS | Gaia |

## Symptoms

- * UDP connections through a Scalable Group break (examples: IKE, SNMP, VoIP SIP).

* Kernel debug on the Scalable Group "`g_fw ctl zdebug + drop`" shows that the Security Group drops UDP packets with:

  "`fwmultik_process_f2p_cookie_inner Reason: PSL Drop: No connection`".

## Cause

There is an errant sync from a Security Group Member that is not the owner of the connection.

## Solution

This problem was fixed. The fix is included starting from:

* [Jumbo Hotfix Accumulator for R81.10](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk175186) starting from Take 38
* [Jumbo Hotfix Accumulator for R81](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk170114) starting from Take 60
* [Jumbo Hotfix Accumulator for R80.30SP](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk165312&partition=Basic&product=Quantum) starting from Take 97
* [Jumbo Hotfix Accumulator for R80.20SP](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk155832&partition=Basic&product=Quantum) starting from Take 317

If you choose not to upgrade, Check Point can supply a **Hotfix** . [Contact Check Point Support](https://www.checkpoint.com/support-services/contact-support/) to get a Hotfix for this issue.  
A Support Engineer will make sure the Hotfix is compatible with your environment before providing the Hotfix.  
For faster resolution and verification, please collect [CPinfo files](http://supportcontent.checkpoint.com/solutions?id=sk92739) from the Security Management Server and Security Group involved in the case.

**Hotfix installation instructions:**   
Refer to [sk168597 - How to install a Hotfix](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk168597).

<br />

Related Solutions:

* [sk180484 - Cluster in Load Sharing mode drops traffic intermittently](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk180484)

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