> Source: [sk166773](https://support.checkpoint.com/results/sk/sk166773)

# sk166773 - Changing the RX/TX buffer size via Clish for an interface which has the i40e driver does not work

| Property | Value |
|----------|-------|
| Solution ID | sk166773 |
| Date Created | 2020-05-09 |
| Last Modified | 2020-11-11 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R81 (EOS) |
| OS | Gaia |

## Symptoms

- * Changing the RX/TX buffer size via Clish for an interface which has the i40e driver does not work.
* Performing the change via clish does not return any error, however, upon verifying the RX/TX buffer size after the configuration change using the 'ethtool' command, the old RX/TX buffer size values are still seen.

## Solution

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