Skip to main content
NetApp Knowledge Base

SolidFire - MAC Address Continuously Alternates Between Linked Switches

  1. Last updated
  2. Save as PDF
Views:
36
Visibility:
Public
Votes:
0
Category:
element-software
Specialty:
solidfire
Last Updated:

Applies to

  • Element Software
  • H-Series nodes
  • SF-Series nodes

Issue

  • The mac address of the node cycles between switches every few seconds.
  • Example from switch log, we can see that mac address "74:d4:dd:32:xx:xx" is being moved from one switch to another, and it is happening every 30 seconds: 

Switch: x-1: xxxxx@clustername> show ethernet-switching mac-learning-log | match 0/0/8  Mon Nov 24 14:07:40 2025 vlan_name vlantag mac 74:d4:dd:32:xx:xx was moved from ge-0/0/8.0 to ae0.0 with flags: 0x2101f 
Mon Nov 24 14:07:40 2025 vlan_name vlantag mac 74:d4:dd:32:xx:xx was moved from ae0.0 to ge-0/0/8.0 with flags: 0x2101f Mon Nov 24 14:08:10 2025 vlan_name vlantag mac 74:d4:dd:32:xx:xx was moved from ge-0/0/8.0 to ae0.0 with flags: 0x2101f 
Mon Nov 24 14:08:10 2025 vlan_name vlantag mac 74:d4:dd:32:xx:xx was moved from ae0.0 to ge-0/0/8.0 with flags: 0x2101f Mon Nov 24 14:08:40 2025 vlan_name vlantag mac 74:d4:dd:32:xx:xx was moved from ge-0/0/8.0 to ae0.0 with flags: 0x2101f  Switch: mtw-28 xxxxx@clustername> show ethernet-switching mac-learning-log | match 0/0/8  
Mon Nov 24 14:09:10 2025 vlan_name vlantag mac 74:d4:dd:32:xx:xx was moved from ae0.0 to ge-0/0/8.0 with flags: 0x2101f Mon Nov 24 14:09:10 2025 vlan_name vlantag mac 74:d4:dd:32:xx:xx was moved from ge-0/0/8.0 to ae0.0 with flags: 0x2101f 
Mon Nov 24 14:09:40 2025 vlan_name vlantag mac 74:d4:dd:32:xx:xx was moved from ae0.0 to ge-0/0/8.0 with flags: 0x2101f Mon Nov 24 14:09:40 2025 vlan_name vlantag mac 74:d4:dd:32:xx:xx was moved from ge-0/0/8.0 to ae0.0 with flags: 0x2101f Mon Nov 24 14:10:10 2025 vlan_name vlanrag mac 74:d4:dd:32:xx:xx was moved from ae0.0 to ge-0/0/8.0 with flags: 0x2101f

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.