> Source: [sk174245](https://support.checkpoint.com/results/sk/sk174245)

# sk174245 - FWD restart VPND

| Property | Value |
|----------|-------|
| Solution ID | sk174245 |
| Date Created | 2021-06-28 |
| Last Modified | 2021-10-14 |
| Technical Level | General |
| Products | Security Gateway |
| Versions | R81 (EOS) |
| OS | Gaia |

## Symptoms

- * VPN tunnel down, and also negotiation failed due to VPND process is restarted.
* In $CPDIR/log/cpwd.elg, it shows the following entries: \[cpWatchDog 30254 4146263776\]@CPFW2\[13 May 6:36:43\] \[ERROR\] vpnd (pid=14346) did not send keep-alive message for 7 number of times \[cpWatchDog 30254 4146263776\]@CPFW2\[13 May 6:36:43\] \[SUCCESS\] Killed process vpnd with pid 14346
* Tried the following, but they did not help: 1. Increase FWASYNC_MAXBUF size: $CPDIR/tmp/.CPprofile.sh: Add this line: FWASYNC_MAXBUF=40000000 ; export FWASYNC_MAXBUF Under this line: INFODIR=/opt/CPinfo-10 ; export INFODIR 2. Increase SIC_SERVER_TIMEOUT to 120 seconds: cpprod_util CPPROD_SetValue SIC SIC_SERVER_TIMEOUT 1 120 1

## Cause

Internal communication time out between parent and child process.

## Solution

This problem was fixed. The fix is included in:

* [Jumbo Hotfix Accumulator for R80.40](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk165456) starting from Take 126

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 Gateways 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).

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