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How to enable Flow Control on a switch port?
This article guides users on enabling the Flow Control feature on a switch port via Nebula CC. Before enabling Flow Control on a switch port, please check if your switch model supports Flow Control on Nebula. You can check the NCC Device function table > Switch Tab and search for "Flow Control". Configure Flow Control an…
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Why my 10G SFP port cannot link up normally?
Some users might encounter that their 10G SFP port cannot link up normally. You may reference these FAQs to check this issue: How to fix 10G SFP+ port link issue? (With fiber transceiver) — Zyxel Community How to fix 10G SFP+ port link issue? (With RJ45 transceiver) — Zyxel Community How to fix 10G SFP+ port link issue?…
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How to fix 10G SFP+ port link issue? (With DAC cable)
To fix the 10G SFP+ port link issue, with the DAC cable, please change the media type of this SFP port from SFP+ (default value) to DAC 10G first. If you didn't change the media type, the link may not be up or keep on connecting and disconnecting with many CRC error counts. If the issue still exists after configuration,…
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How to fix 10G SFP+ port link issue? (With RJ45 transceiver)
To fix the 10G SFP+ port link issue, with the RJ45 transceiver, please change the transceiver/change the SFP port to check. If the issue still exists, please navigate to the Nebula category to raise your problem.
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How to fix 10G SFP+ port link issue? (With fiber transceiver)
To fix the 10G SFP+ port link issue, with the fiber transceiver, please check the DDMI of the issue port first. If the current operating parameters of the issue port are out of the high/low range, please have a cross-test, change the fiber/change the SFP transceiver/change the SFP port, to check this issue. If the switch…
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How to use switch with PoE enabled only?
If you are looking to enable switch PoE only in specific scenarios or troubleshooting, please disable switch port via Site-wide > Configure > Switches > Switch ports. Select multiple switch ports if needed. Disable port and keep PoE enable If you encounter any other issues, please help create a post here and…
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How to resolve the switch port cannot link up with DAC cable?
If you have an XGS, XMG, or XS series switch, please follow these steps: Go to Configure > Switch Port > Port Setup Locate the connecting ports Change the Media Type from SFP+ to DAC10G
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Switch Port Profiles
The introduction of switch port profiles in Zyxel's Nebula Control Center (NCC) aims to address several challenges faced by network administrators. This feature simplifies switch configuration management, especially in scenarios where switches are removed and replaced, and provides a streamlined approach to applying…
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How Port Isolation Works
The ports with port isolation enabled cannot communicate with each other. They can communicate only with the CPU management port of the same Nebula Device and the Nebula Device’s other ports on which the isolation feature is not enabled.
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How to Change Switch IP on Nebula?
Changing the IP address of a switch in the Nebula Cloud Networking platform is a straightforward process. This can be useful if you need to reorganize your network or align your IP scheme. Follow these steps to change the switch IP on Nebula: Steps Log in to Nebula Control Center: Go to the Nebula Control Center and log in…
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How do I change the management VLAN on APs all at once?
To change the management VLAN on all Access Points (APs) at once in Nebula, you can use the Nebula Control Center's batch configuration feature. Follow these steps: Due to AP do not have the global management VLAN control in NCC, however we can still use batch setting on switch ports all at once. Go to switch port setting…
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How to check if our SFP is in the normal working range?
If the link status of your SFP port changes frequently, it's important to ensure that your SFP (Small Form-Factor Pluggable) module is operating within the normal working range. Here are steps you can take to diagnose and address any issues: Verify DDMI Data: Utilize Digital Diagnostics Monitoring Interface (DDMI) to…
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Nebula switch PoE settings
Nebula switch supports PoE setting on the port settings page for users to change this setting and reach their requirements. This post will instruct PoE settings on Nebula. PoE: To enable or disable PoE on the selected ports. PoE schedule: Apply the PoE schedule profile to the selected ports. You may check this FAQ to set…
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If there is no VLAN tag in uplink, how can I change the management VLAN on switch?
If there is no VLAN tag in the uplink and you need to change the management VLAN on a switch, then you will need to set the corresponding PVID on the uplink port of the switch. For instance, if you plan to change the management VLAN from 1 to 10 and the current link is on port 1, then you can change the port 2 PVID to 10…
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How can I tagged/untagged for port setting in Nebula?
In Nebula, tagging or untagging VLANs on port settings involves configuring the VLAN membership of specific switch ports. Here's a general guide on how you can tag or untag VLANs for port settings in Nebula: Go to Switch > Configure > VLAN: Navigate to the "Switch" section, then click on "Configure," and select "VLAN."…
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In which situation will need to disable the management contorl in port setting?
If you discover a loop in VLAN 1 on a particular port, despite being certain that VLAN 1 is not configured on that port and considering that the management port is also assigned to VLAN 1, the solution is to deactivate the "management control" in the port settings.
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Why my LACP connection is not up?
If your Link Aggregation Control Protocol (LACP) connection is not coming up, it could be due to several reasons. Here's a checklist of things to consider and troubleshoot: LACP Configuration Matching: Ensure that LACP is configured consistently on both ends of the link. The LACP mode (Active or Passive) and key must match…
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How to use port mirroring in Nebula
Port mirroring is a feature that allows you to copy and send network traffic from one port (or multiple ports) on a switch to another port, often used for monitoring or analyzing network traffic. In Nebula, the steps to configure port mirroring may vary slightly depending on the specific model of your Nebula switch. Here's…
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Why the switch has disconnected from the NCC after changing the management VLAN?
When a switch disconnects from the Nebula Control Center (NCC) after changing the management VLAN, several factors may contribute to the issue. Here are the potential reasons and troubleshooting steps: VLAN Tagging: Ensure that the switch ports connecting to the Nebula Control Center and other relevant network devices are…
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What is difference between switch port media type SFP+ or DAC10G?
The port settings for SFP+ and DAC are adjusted based on different types of devices to achieve optimal performance with suitable signal strength. It's possible to see that a transceiver connected to a media type "DAC10G" port also works. The reason is that both options have the same signal interface; however, it's…