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Cloud Stacking Enhancements in Nebula 18.30: Improved Port Configuration Retention
Cloud stacking is a powerful feature in Nebula that allows network administrators to manage multiple switches as a single logical unit. However, previous versions of Nebula had a limitation: removing a switch from the stack erased all port settings for that switch, leading to frustration when replacing that slot. With the…
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Enhancing Management VLAN Control in Nebula 18.30
Effective VLAN management is crucial for network stability and security. One common issue Zyxel users face is the misunderstanding of Management VLAN behavior—especially how it differs from the standard trunk Allowed VLAN list. With Nebula 18.30, we've made several key enhancements to Management VLAN Control, making it…
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How does Port Advisor work?
Port Advisor monitor your switch and alert you with these anomalies: PoE Detection PoE Detection Trigger Criteria PoE Overload When PD requests power exceeding the maximum power the switch is allowed to provide Example: Switch port 10 settings include PoE maximum power at 15 watts. IP Camera connects to port 10 requesting…
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What is Port Advisor?
A one-page view in NCC that highlights any network abnormalities occurring in the wired network of your Nebula Site Monitors the following abnormalities: Unexpected network loops via Loopguard Unauthorized switch connection via BPDU guard Faulty cables via CRC errors High broadcast/multicast volume via Storm Control…
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How to Check if My Zyxel Device is Under Warranty
You can check the warranty status of your Zyxel device by visiting the appropriate support link based on your region: Europe: Warranty Enter your device's serial number in the provided field, and then Click Check button to verify the warranty status. Asia (Taiwan): 送修流程說明 Follow the instructions provided in the post for…
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How to SSH to the switch in Nebula?
In device list of Nebula you can find "Remote SSH" in live tools and click "Establish" button then can create the SSH session to the device. Please note that this is the Pro pack feature. Copy the remote session IP and then use the terminal software like Tera term or MobaXterm. Login credential should be found in site-wide…
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Why doesn't Nebula display port utilization and switch status information?
If you haven't logged in to the Organization over 30 days, NCC has deactivated the collection of the traffic status (except for the device's event log for troubleshooting) to conserve bandwidth & cloud resources. You may disable cloud-saving mode and NCC will resume date collection.
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How to Disable Firmware Update Notifications.
Question: Where can I switch off firmware update notification? Answer: To stop receiving firmware update messages, you can change the firmware type to "stable". Here are the steps to do that: * Go to the site-wide settings. * Navigate to "Firmware Management". * Change the firmware type to "stable". Following these steps…
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When Is the Nebula Firmware Review Conducted?
Question: When is the firmware status review for Nebula conducted each year? Is it around the same time? Answer: Yes, the firmware status for Nebula devices is reviewed once a year. This review determines if an update is necessary based on the current stable firmware version.
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Cloud Stacking Wizard Refresh Button
The latest Zyxel update introduces an enhanced Refresh Button within the Cloud Stacking Wizard in the Nebula Control Center (NCC). This feature simplifies the stacking configuration process by providing real-time updates on switch status, making it easier to set up and monitor cloud-stacked switches. Overview of the Cloud…
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Cloud Stacking Slot Offline Alert
With the NCC 18.20 update, Zyxel has introduced a Cloud Stacking Slot Offline Alert feature, enabling real-time monitoring and notifications for cloud-stacked switches. This alert system notifies administrators if any member of a cloud stack goes offline, allowing proactive management and quick troubleshooting to maintain…
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Why XS1930 shows "server certificate has been failed" when I update access Layer 3 license status?
There are two possible reasons for this issue: Your switch system time is not up to date. Please correct the system time or synchronize with the time server. Your firewall might block ports 80(HTTP)/443(HTTPS). Please allows these ports on your firewall.
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Can I use SNMP to change PoE function on Nebula switch?
No, the SNMP function on Nebula only enables the SNMP read part. So, you cannot use SNMP to change the PoE function on the Nebula switch. Please configure the PoE setting on the Nebula control center/Nebula Mobile APP.
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When moving a switch from standalone to Nebula, will it lose the original configuration?
When you switch a device to be managed by the Nebula Control Center (NCC), the original configuration in of the device is typically replaced by a configuration managed via NCC. This process ensures that the device can be fully managed from the cloud and adheres to the standardized settings and policies defined within your…
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Does XGS1930-52HP support DAC cable on SFP+ ports?
Yes, the XGS1930-52HP switch supports Direct Attach Copper (DAC) cables on its SFP+ ports. DAC cables are commonly used to connect switches to routers or servers within a rack or adjacent racks, providing a cost-effective solution for short-distance connections. If you encounter link issues, verify you configured a proper…
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Can I deactivate auto configuration save for cloud switch?
You cannot deactivate the auto-configuration save feature for cloud-managed switches in the Nebula Control Center (NCC). NCC automatically saves configuration changes to ensure consistency and reliability across your network devices. This feature is designed to prevent data loss and to maintain network stability by…
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Layer 2 switch GS1915 shows offline on NCC
When the switch shows offline on NCC, but the services are working properly, you may check our Switch Troubleshooting Guide for verification. If you encounter any other issues, please help create a post here and tag @Zyxel_CSO , or create a ticket directly to reach us.
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PoE12-3PD Cloud-Managed Accessories
Zyxel's Nebula Control Center (NCC) introduces a new product line specifically for accessories, starting with the PoE12-3PD. These accessories can be managed both on-premise and through the cloud, offering flexibility and convenience for network administrators. Key Features and Benefits No Licensing Requirement:…
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PoE12-3PD Management Support
The PoE12-3PD is equipped with various management support features to ensure seamless network integration and efficient operation. This device can be managed locally through a Web GUI, remotely via the Nebula Control Center, and through the ZON utility for basic management tasks. Management Features Local Web GUI Access:…
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PoE12-3PD: Power over Ethernet Extender
The PoE12-3PD is a Power over Ethernet (PoE) extender designed to provide extended power and connectivity for network devices, including access points, IP cameras, and IoT devices. This device acts as both a Powered Device (PD) and a Power Sourcing Equipment (PSE), making it a versatile addition to any network…
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Does Bandwidth Control require a license?
Nebula switches do NOT require any license to use Bandwidth Control. You may check our Device function table from the link. Zyxel Nebula - Device function table If you encounter any other issues, please help create a post here and tag @Zyxel_CSO , or create a ticket directly to reach us.
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A switch has lost connection to the cloud but it seems still passing traffic
Please refer to the Switch Troubleshooting Guide below to address the problem. If you encounter any other issues, please help create a post here and tag @Zyxel_CSO, or create a ticket directly to reach us.