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If the license has expired, would it affect the VPN connection between two ZYXEL devices?
You can still use the VPN service even if the license has expired; the VPN tunnel feature won't become invalid after the license expires.
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How to disable the SSH on Nebula switch?
In the current stage, we cannot disable SSH on Nebula. However, we can still use the CLI to disable the SSH protocol. Please note that this is only supported by firmware 4.90 or above. CLI: no remote-management <index> service <[ssh]>
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How to change the NTP server on Nebula switch?
The current design of the NTP server is built into the switch, and it cannot be changed. Therefore, please ensure that your networking environment allows UDP port 123 for the NTP domain, either 0.pool.ntp.org or 1.pool.ntp.org.
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Which NTP servers does Nebula switches utilize?
Nebula switches are configured to use 0.pool.ntp.org and 1.pool.ntp.org as their default Network Time Protocol (NTP) servers. This configuration ensures that all devices connected to the Nebula Control Center maintain accurate and synchronized time settings to display correct device status, uplink usage, logs, and even…
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Unlocking Enhanced Network Capabilities with the Access L3 License for Zyxel Switches
Unlocking Enhanced Network Capabilities with the Access L3 License for Zyxel Switches In the evolving landscape of network management and optimization, Zyxel Networks continues to push the boundaries of what's possible with its cutting-edge solutions. A prime example of this innovation is the introduction of the Access L3…
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Can I have full configuration control on Nebula Switch using the CLI?
Starting from firmware version 4.90 and onwards, Nebula Switches support full configuration adjustments via the Command Line Interface (CLI), offering comprehensive control over switch settings directly through commands. However, any changes made through the CLI can cause inconsistencies between the local Web GUI and the…
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Can I configure access policies for Nebula switch's clients in advance?
Yes, within the Nebula Control Center, Clients > Client list tab under Switch clients, the "Add Client" feature allows for the advanced configuration of access policies for switch clients. By inputting the MAC address of a client, you can assign a "Normal" or "Blocked" policy. If set to "Blocked", the client is blocked by…
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Enhancing Network Reliability: Introducing Hardware Alerts in Zyxel Cloud-Managed Switches
Enhancing Network Reliability: Introducing Hardware Alerts in Zyxel Cloud-Managed Switches At Zyxel Networks, we understand the critical importance of maintaining a robust and reliable network infrastructure. Our commitment to ensuring the optimal performance and security of your networking devices has led us to develop an…
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A Comprehensive Guide to the Switch Hardware Monitor Feature on Nebula Control Center
A Comprehensive Guide to the Switch Hardware Monitor Feature on Nebula Control Center Zyxel Networks takes pride in offering advanced networking solutions, and a critical aspect of managing these solutions efficiently is monitoring the hardware status of your devices. The Switch Hardware Monitor feature is a testament to…
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Understanding DHCP Relay - Option 82 on Nebula with Cloud-Managed Switches
Understanding DHCP Relay - Option 82 on Nebula with Cloud-Managed Switches DHCP Relay with Option 82 is a feature that enhances DHCP's capability to manage network assignments with greater precision. This mechanism allows DHCP messages to carry additional identifiers, enabling DHCP servers to tailor IP assignment policies…
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Understanding DHCP Relay Settings on Nebula with Cloud-Managed Switches
Understanding DHCP Relay Settings on Nebula with Cloud-Managed Switches In today's networking environments, managing DHCP assignments efficiently can significantly impact the performance and manageability of your network. Zyxel Networks, known for its innovative networking devices, offers a solution to streamline this…
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Why couldn't I get the port data via SNMP from GS1350 in Nebula mode?
When Nebula was first introduced, the main focus was on cloud management. Based on this result, only a few OIDs were made available in the previous firmware that the interface MIB wasn't included in. The upcoming firmware version, V4.90, will support the interface MIB. Please upgrade your GS1350 if you need SNMP monitoring…
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Why there’s no any information in the switch port status page?
This problem has two possible situations: The switch is offline. If the switch is offline, Nebula cannot get any port information from the switch. Please check the switch troubleshooting guide to solve the offline problem. Your organization is under cloud-saving mode. Nebula will not get port information when your…
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How to set 802.1p on Nebula?
In some conditions, the network admin might need to change the priority of packets to ensure the performance of critical applications, such as Voice VLAN. Currently, you can configure 802.1p on Site-wide > Configure > Switches > Switch settings page. Quality of service Voice VLAN LLDP-MED OUI Vendor ID based VLAN If you…
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Can I modify the Syslog server level on a Nebula switch?
Unfortunately, the syslog server level cannot be adjusted on a Nebula switch. The switch is designed to transmit all logs to the syslog server without offering an option to modify the level of log details directly on the switch itself. Site-wide > Configure > Site settings However, users have the flexibility to filter and…
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I’m a Linux/MAC user, how can I make my switch back to online status?
Since ZON only supports Windows, Linux/MAC users cannot use ZON to scan their switch. To make the switch back to online status, please follow the below steps: If the switch is still offline after 5-10 minutes, please check your firewall’s/router’s DHCP lease table to find your switch’s IP address and log in to it. Please…
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Can I check how much bandwidth has been used on a switch port via the Nebula control center?
Some admins' daily tasks might need to check the bandwidth usage for their network switches. The Nebula control center provides a centralized port list for Nebula users to check the information they need. This FAQ will guide you on how to check the bandwidth usage for each port. Please navigate to Menu > Configure >…
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Can I reboot my PD via Nebula?
Yes, the Nebula switch provides a quick way to reboot your PD. Please navigate to Site-Wide > Devices > Switches and click the switch that connects the PD you want to reboot. After entering the switch detailed page, please find the live tool > Port power cycle. Enter the port number you want to reboot the PD and click the…
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How to configure Switch of Cloud Stacking on Nebula?
We currently support XS3800 for cloud stacking only. Here's a gentle reminder: When building a Cloud Switch Stacking system, it's important for someone to be present to reconnect the cables. Please follow the instructions of the wizard to set up the Stacking system and then reconnect the cables to ensure they are fully set…
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Could it be an issue if I observe the broadcast/multicast storm log?
IObserving broadcast/multicast storm logs can be important for network administrators as it provides insights into potential issues within the network. However, if there is no any network congestion or other service impact then you can overlook it. In the default settings of the Nebula switch, the storm control feature is…