Skip to main content
NetApp Knowledge Base

StorageGRID appliance reports mtc2 link status is Down or Unknown

  1. Last updated
  2. Save as PDF
Views:
199
Visibility:
Public
Votes:
0
Category:
storagegrid
Specialty:
sgrid
Last Updated:

Applies to

NetApp StorageGRID Appliances

Issue

  • StorageGRID node reports mtc2 link status Unknown/Down and same MAC address listed in Nodes > Network tab:
mtc1     F0:XX:XX:XX:XX:79          Gigabit           Full               On              Up  
mtc2     F0:XX:XX:XX:XX:79          Unknown           Unknown            Off             Down
  • In StorageGRID logs > base-os-logs\proc\net\bonding\bond 2 shows mtc2 Unknown 

    • Bonding Mode: fault-tolerance (active-backup)
      Primary Slave: None
      Currently Active Slave: mtc1
      MII Status: up
      MII Polling Interval (ms): 100
      Up Delay (ms): 200
      Down Delay (ms): 200
      Peer Notification Delay (ms): 0

    • Slave Interface: mtc1
      MII Status: up
      Speed: 1000 Mbps
      Duplex: full
      Link Failure Count: 0
      Permanent HW addr: f0:xx:xx:xx:xx:79
      Slave queue ID: 0

    • Slave Interface: mtc2
      MII Status: down
      Speed: Unknown
      Duplex: Unknown
      Link Failure Count: 0
      Permanent HW addr: f0:xx:xx:xx:xx:78
      Slave queue ID: 0

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.