> Source: [sk33139](https://support.checkpoint.com/results/sk/sk33139)

# sk33139 - Running 'fw ctl set int fwd_log_bufsize SIZE' command causes system crash

| Property | Value |
|----------|-------|
| Solution ID | sk33139 |
| Date Created | 2007-06-11 |
| Last Modified | 2023-09-13 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R81.20, R81.10 (EOS), R81 (EOS) |

## Symptoms

- Running '`fw ctl set int fwd_log_bufsize `*SIZE*' command causes system panic.

## Cause

The value of **fwd_log_bufsize** kernel parameter can **not** be set on-the-fly. This value can be set only during boot.

## Solution

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