> Source: [sk167715](https://support.checkpoint.com/results/sk/sk167715)

# sk167715 - Creation of Wrp interface with MTU greater than 1500 fails

| Property | Value |
|----------|-------|
| Solution ID | sk167715 |
| Date Created | 2020-06-29 |
| Last Modified | 2020-08-21 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |

## Symptoms

- * Adding new wrp interface to a Virtual Switch with MTU greater than 1500 fails with error: "Internal Error - Failed to commit changes to OS".

* Similar log is found in /var/log/messages:  
  `
  [DATE TIME] vsx_r8040_gw1 kernel: wrp128: Invalid MTU 9000 requested, hw max 1500`

* In case it happens during an upgrade the upgrade will succeed but all wrp interfaces will not have an IP (Internal and cluster IP's)

## Cause

An issue with the Wrp interface driver.

## 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
