> Source: [sk158112](https://support.checkpoint.com/results/sk/sk158112)

# sk158112 - Unable to assign FWD to a specific core 

| Property | Value |
|----------|-------|
| Solution ID | sk158112 |
| Date Created | 2019-07-11 |
| Last Modified | 2019-10-13 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * Setting the FWD process affinity to a specific core in the *$FWDIR/conf/fwaffinity.conf* file does not apply after running the *$FWDIR/scripts/fwaffinity_apply* script.
* Security Gateway has SMT enabled.

## Cause

A software limitation in the *$FWDIR/scripts/fwaffinity_apply* script.

## Solution

This solution requires authentication. Please log in to view the full solution.

---

# Agent Instructions

This content is from the Check Point Support Center (https://support.checkpoint.com), the official knowledge base for Check Point cybersecurity products.

## Navigating This Knowledge Base

- **Complete index**: [llms.txt](https://support.checkpoint.com/llms.txt)
- **All SK articles**: [SecureKnowledge Sitemap](https://support.checkpoint.com/sitemaps/secureknowledge-sitemap-index.xml)
- **SK article URL pattern**: `https://support.checkpoint.com/results/sk/{skId}`
- **Markdown responses**: AI bot User-Agents automatically receive `text/markdown` content