SUSE Support

Here When You Need Us

Bonding not working with bnx2x

This document (7005101) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise Server 10 Service Pack 3

Server is of type "Blade" (e.g. Proliant BL460c G6) with nic driver bnx2x


Bonding device is not working

When performing cat /proc/net/bonding/bond0 the following information is being displayed:
Ethernet Channel Bonding Driver: v3.2.5 (March21, 2008)

Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: None
MII Status: down
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0


Since SLES10 SP3 the option use_carrier=1 needs to be added.

An example:
BONDING_MODULE_OPTS='miimon=100 mode=balance-tlb use_carrier=1'


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:7005101
  • Creation Date: 05-Jan-2010
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

< Back to Support Search

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

SUSE Support Forums

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

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.

Open an Incident

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