Missing DNS entry for VIP FQDN alarm

Products

• VMware NSX

Issue/Introduction

Title: Alarm for manager_health.missing_dns_entry_for_vip_fqdn
Event ID: manager_health.missing_dns_entry_for_vip_fqdn

Alarm Description:

• Purpose: Reporting of the incorrect DNS configuration for Manager node
• Impact: Incorrect DNS configuration would impact NSX Manager operations.

Environment

VMware NSX-T Data Center
VMware NSX

Cause

Incorrect DNS configuration for Manager node.

Resolution

NSX-ALRM-MGR

Steps to resolve
For 4.1.0 and higher

Recommended Action:

• Ensure proper DNS servers are configured in the Manager node.
• Ensure proper A records and PTR records are configured in the DNS servers such that reverse lookup of the IP addresses of the Manager node return the same FQDN, and forward lookup of the FQDN return all IP addresses of the Manager node.
• Alternatively, if the Manager node is not dual-stack, replace the CA-signed certificate for API service type with a self-signed certificate.

Maintenance window required for remediation? No