> Source: [sk168513](https://support.checkpoint.com/results/sk/sk168513)

# sk168513 - CPU usage is high on some FW instances after installing R80.30 Jumbo Hotfix Accumulator Take 210 - 217

| Property | Value |
|----------|-------|
| Solution ID | sk168513 |
| Date Created | 2020-08-24 |
| Last Modified | 2021-02-28 |
| Technical Level | General |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Cause

Dynamic dispatcher is allocating new connections asymmetrically across the available firewall instances. New connection allocation is not based on which instances are handling the least amount of connections.

## Solution

This problem was fixed. The fix is included in:

* [Jumbo Hotfix Accumulator for R80.30](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk153152) starting from Take 219
* [Jumbo Hotfix Accumulator for R80.20](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk137592) starting from Take 190

To find out what the value of the kernel Parameter is set to, run this   

fw ctl get int fwmultik_enable_round_robin  
fw ctl get int fwmultik_enable_increment_first
If you choose not to upgrade, as a workaround, change the following two kernel parameters:  

`fw ctl set -f int fwmultik_enable_increment_first 1`  
`fw ctl set -f int fwmultik_enable_round_robin 1`  

**Note:** -f flag will also add the value/s to fwkern.conf file to make the parameters survive a reboot. This will not require a reboot  

**Note** :  

1. Starting from R80.40, these parameters are set to "1" by default.  
2. Note: For VSX - please refer to [this solution](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk169352 "Dynamic Dispatcher in VSX does not forward the connections equally to all CoreXL instances")

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