Dell EMC Unity: SP X Ethernet Port X link is down with multiple iSCSI logout initiators

Summary: Dell EMC Unity: SP X Ethernet Port X link is down with multiple iSCSI logout initiators

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms



iSCSI connections from one or more hosts to Dell EMC Unity storage are flapping with below error:
"iSCSI link down on physical port X" appear.

Cause

These errors are reported due to network failures mostly outside the array. Also, if any cables are loose or not connected properly.

Resolution

  • The network and the physical connections should be checked. 
  • Verify all cables are properly connected.

Affected Products

Dell EMC Unity Family

Products

Dell Unity 300, Dell EMC Unity 300F, Dell EMC Unity 350F, Dell EMC Unity 400, Dell EMC Unity 400F, Dell EMC Unity 450F, Dell EMC Unity 500, Dell EMC Unity 500F, Dell EMC Unity 600, Dell EMC Unity Family
Article Properties
Article Number: 000052707
Article Type: Solution
Last Modified: 20 Oct 2025
Version:  4
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.