SUSE Support

Here When You Need Us

Setting MTU on ibmveth-NIC larger than 2000 Bytes not possible on a pSeries server

This document (3086596) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 10

Situation

Setting MTU on ibmveth-NIC larger than 2000 bytes is not possible on a pSeries server

Example: 
ifconfig eth0 mtu 9000
SIOCSIFMTU: Invalid argument

Resolution

Enable the setting /sys/class/net/eth0/device/pool2/active in the following
way in order to be able to use MTUs larger than 2000: 
echo 1 >/sys/class/net/eth0/device/pool2/active
ifconfig eth0 mtu 9000

Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:3086596
  • Creation Date: 16-Feb-2007
  • Modified Date:22-Feb-2021
    • SUSE Linux Enterprise Server

< Back to Support Search

For questions or concerns with the SUSE Knowledgebase please contact: tidfeedback[at]suse.com

tick icon

SUSE Support Forums

Get your questions answered by experienced Sys Ops or interact with other SUSE community experts.

Join Our Community
tick icon

Support Resources

Learn how to get the most from the technical support you receive with your SUSE Subscription, Premium Support, Academic Program, or Partner Program.

Support FAQ
tick icon

Open an Incident

Open an incident with SUSE Technical Support, manage your subscriptions, download patches, or manage user access.

Go to Customer Center