> Source: [sk44488](https://support.checkpoint.com/results/sk/sk44488)

# sk44488 - CoreXL is enabled, however not all available CPU cores are used

| Property | Value |
|----------|-------|
| Solution ID | sk44488 |
| Date Created | 2010-03-30 |
| Last Modified | 2020-02-23 |
| Technical Level | General |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- CoreXL might not be configured to use all of the available CPU cores on a machine with multiple CPU cores.

## Solution

Follow these steps:

1. Check how many CoreXL FW instances are currently running:   

   **`[Expert@HostName]# fw ctl multik stat`**   

2. Check how many CoreXL FW instances are allowed by the installed CoreXL license.  

3. If the installed CoreXL license allows more CoreXL FW instances than are currently configured, use '`cpconfig`' menu to configure CoreXL:   

   **`[Expert@HostName]# cpconfig`**   

   Choose '**`Configure Check Point CoreXL`** '   

   ```
   Configuring Configure Check Point CoreXL... 
   =========================================== 
   
   CoreXL is currently enabled with N firewall instances. 
   
   (1) Change the number of firewall instances
   (2) Disable Check Point CoreXL
   
   (3) Exit
   Enter your choice (1-3) :
   ```

**Notes:**

* A reboot is required to apply these changes.
* In cluster environment, it is mandatory to configure the same number of CoreXL FW instances on all cluster members.

*** ** * ** ***

**Related solution:** [sk42096 - Cluster member is stuck in 'Ready' state](http://supportcontent.checkpoint.com/solutions?id=sk42096).

---

# 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