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Nebula switch stable firmware version list update
This discussion has been moved.
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XMG2230-52HP 2.5 Gb speed + port status error table
I have installed a XMG2230-52HP with 2.5 Gb/s client and a server on 10 Gb/s through ZyXEL SFP10G-T and CAT6A cabling. Client on port 33 (2.5 Gb/s) and server on P52 (SFP+) Upload speeds from client to server are fine, I get 240 MB/s. But download speeds are stuck on 110 MB/s, so 1 Gb/s. No VLAN, flat network. What could…
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Random Nebula disconnections on XGS1930 fiber uplink, CRC errors and STP changes
Hello, We recently took over a customer already using Zyxel Nebula switches, so we inherited the existing setup. This issue started before our takeover, so unfortunately we do not have the full history of previous incidents or changes. We are seeing recurring network interruptions affecting users behind one switch, and it…
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XGS 2220-30 L3 vlan config
Hello team, I am used to Cisco configuration so not sure how to use the XGS 2220-30 L3 switch to route between different vlans. We are trying to connect 1915 zyxel in one vlan to 1915 zyxel in another vlan via 2220-30 switch. Do I need to use a default gateway on each vlan like in Cisco? I don't see that in the GUI, but…
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Where do I download the factory-default configuration file to reset an XGS-4526 switch?
I have an XGS-4526 but I forgot the administrator login. The manual says to reset the switch by loading the factory-default configuration through a console cable. Where can I download the factory-default configuration file?
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XS1930-10 New Firmware Problem 4.80(ABQE.4)C0
I just upgraded the firmware on 2 XS1930-10 switches to 4.80(ABQE.4)C0 and noticed high and constantly high CPU utilization for my configuration. CPU steady above 36%. My switches only have 3x 10 gbps connection and 1x 2.5 gbps and the other one has a 2x LAG 10gbps to a NAS, 2x10 gbps to a computer and AP. I reverted the…
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Zyxel XS1930-12HP: Some Ports Power PoE but Never Establish Link-Up
Hello, I have an issue with my Zyxel XS1930-12HP where two of the ports are not working properly, and I could use some help identifying the cause and how to fix it. Problem Description: Two of the Ethernet ports do not establish a link when a device is connected — the link never goes up. However, when I connect a PoE…
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GS1900-48HP last firmware version ?
Hi all, I have a GS1900-48HP with firmware V2.60(ABTQ.0) | 02/25/2020 installed. I already checked for the last version and found this one: GS1900-48HPv2_2.90(ABTQ.1)C0 but I saw it's for GS1900-48HPv2. Checking in the community I found an old 2024 post that refers to the EoL list for this type of switch but on that list I…
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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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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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Can the GS1900-24HP switch work vertically even without the wall mount?
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Ou est ce que je peux récupérer les tables MIB pour un switch 2210
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Missing external power supply for ZyXEL GS1900-8HP
How can I order a replacement power supply for ZyXEL GS1900-8HP switch. Switch was removed from a working environment and the power supply was misplaced. Thank you.
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Does copy.fail CVE-2026-31431 affect Zyxel GS1900 series switches
I'm finding most of my embedded devices are impacted by CVE-2026-31431 also known as copy.fail. Are Zyxel GS1900 series switches impacted by this issue?
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wie lösche ich ap´s
wie lösche ich ap's dauerhaft nebula
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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….
