This article explains how to quickly verify Nebula Control Center connection details on Zyxel USG FLEX and ATP firewalls using the CLI. The show gui nebula info command helps confirm the assigned organization, site, and management subnets.
❓ Question
How can I check Nebula organization, site, and subnet information on a Zyxel USG FLEX device?
✅ Answer
To display Nebula-related information, run the following command in the CLI:
show gui nebula infoThis command shows:
organization-name — the Nebula organization the device belongs to
site-name — the Nebula site name
interface-setting — IP subnets used by the device for Nebula/GUI access
Notes:
This is a read-only diagnostic command and does not modify the configuration.
Useful for:
verifying Nebula registration
checking correct organization and site assignment
troubleshooting Nebula connectivity or access issues
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