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Nebula switch stable firmware version list update
This discussion has been moved.
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wie lösche ich ap´s
wie lösche ich ap's dauerhaft nebula
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10G SFP+ link flapping between Zyxel XS1930-10 and MikroTik CSS610-8G-2S+IN — MM SR unstable but 1G
Hi I have a question on transceiver, which I bought from a OEM compatible supplier, https://www.fibermanialink.com/product/10g-xfp-transceiver-10gbase-lr-20km-sm-1310nm/ I’m facing a strange issue when trying to establish a stable 10G link between a Zyxel XS1930-10 and a MikroTik CSS610-8G-2S+IN using SFP+ ports. Setup:…
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Switches not getting default gateway when connected to Eir Sagemcom routers
Hi all, Encountered this issue on mutiple client sites where Eir Sagemcom routers have been installed. When installing switches specific models GS1920-8hp, GS1920-24hp and GS1920-48hp Switch boots up just fine and any devices connected work perfectly, However the switch itself fails to find the default gateway and must be…
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Import certificate - ERROR: Import custom CA fail
Hi, I just received today an XMG1915. I configured almost everything but can't import custom certificate. We run our own CA and all our services in our lab are using certificates issued by our own CA so they are trusted by our browsers in the company because the CA-Certificate is distributed to all computers. I've…
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I can’t change my device ip address.
I configure a static ip for device, but after i press apply button, the ip address still is the default one.
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"Ports 10 and 11 are no longer working.
hello I checked by connecting port 9 to port 10, and port 9 to port 11, but the LEDs did not light up. When I connected port 9 to port 8, the LEDs lit up. I performed a reset, but nothing changed. Is there anything else I can check before concluding that ports 10 and 11 are faulty?"
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XMG1915-EP10 does not send syslog messages
hi, I configured syslog as follows and have a linux system on 192.168.1.230 port 51898 UDP listening for logs, but none are reveived from the switch. I regularly receive logs from other systems on the linux syslog server above….
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GS1900-8HP: Serial Numbers go missing via CLI and HTTP ?
I'm hoping there is a fix to this. GS1900-8HP, (non-ncc), is not displaying its serial number via CLI nor HTTP. Model Name:GS1900-8HP Revision:B1 Device Firmware: V2.80(AAHI.0) | 10/16/2023 As well as: Device Firmware: V2.90(AAHI.1) | 03/04/2025 Upgraded & Downgraded between V2.90 & v2.80. What is strange, first noticed…
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GS2220 Firmware V4.80(ABRR.0) | 01/18/2023 - NTP issue
Hello, We have for some time now dealing with an issue where some switches do not properly register to Nebula even after a factory reset. After some investigation, I believe the issue lies on the NTP packet that the switch sends to "time.google.com" and it is discarded due to the field "Transmit Timestamp" being all zeros.…
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Forward mdns Traffic 224.0.0.251 same VLAN on GS1900-24HP
Good morning everyone, I am currently having trouble getting mDNS (e.g., for Matter/HomeKit) to work reliably in my network and would appreciate your support. Setup: Switch: Zyxel GS1900-24HP Multiple WLAN access points NWA220AX-6E, connected to the switch (ports 1–3) WLAN clients (including an iPhone) in VLAN 64…
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Zyxel RGS200-12P factory reset via serial
I have a Zyxel RGS200-12HP switch that I would like to factory reset. Unfortunately, I do not have any login password, so I can only access the device through the serial console. Could you please provide the official procedure for: Reflashing or reinstalling the firmware via serial console (e.g., XMODEM, TFTP, or other…
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Zyxel XS1930-10 "SWITCHING > VLAN Isolation" is missing
Hi I want to create a VLAN with Isolation and a Promiscuous Port, using the web-inerface. But the "SWITCHING > VLAN Isolation" Option is missing in my Menu. The Only Options i have under the VLAN Menu are VLAN Status, VLAN Setup, Voice VLAN Setup and Vendor ID Based VLAN Setup. Is there option to see more entries in the…
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[XS1930-12HP] CARP MAC gets falsely marked as static
I have set up two Virtual IPs using CARP on two separate OPNsense Firewalls: WAN was assigned the MAC 00:00:5e:00:01:01 and LAN was assigned the MAC 00:00:5e:00:01:02 Firewall 1 is connected to Port 10 on the Switch and Firewall 2 is connected to Port 9. For whatever reason, only the WAN VIP works properly and has it's MAC…
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ZyXEL GS2200-48 Default ROM file
Hi, I recently purchased a second-hand ZyXEL GS2200-48 and am unable to access it due to unknown credentials. I am hoping someone can share the default ROM file so I can reset it via console. Here is what I have tried so far: Switch details: Model: GS2200-48 Bootbase Version: V1.0 | 06/18/2009 ZyNOS Firmware: V3.80(BPR.2)…
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vlan 10
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multiple GS1920-24HPv2 suddenly gone offline
Hi, Is there a known issue with the GS1920-24HPv2 switches? multiple have suddenly gone offline in multiple sites, perhaps a firmware upgrade?
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GS1200 Management VID DHCP-IP on tagged VLAN.
Hi, I am pleased to see some basic managed switched now supporting Management VID. However the GS1200-5 (v1) that I picked up to test, seems the DHCP client does not operate on the tagged VLAN that is set for the Management VID. Is this known behaviour? I don't want to set a PVID and untagged for the management VLAN. I…
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Zyxel GS1920-48HP i need reset
Hi friends, I have a Zyxel GS1920-48HP switch and it's not working. It can't be reset. I think the firmware is brocen. LAN ports are not working. sys lights are blinking. The fans are spinning very fast.
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Dropping ports at the same time
Hello,I have a GS1920 Boot Version (V1.00 | 04/12/2018) ZyNOS F/W Version (V5.00(ABMK.2) | 09/24/2025) switch with a problem of ports dropping every other day at 00:01 for 3-4 seconds. The ports are with power and cameras. What could be the problem? 2026-02-17T09:58:30Z Port 46 link up 2026-02-17T09:58:26Z Port 46 link…
