NebulaFlex Switch XGS1930 Series - V5.00 Patch 0 Firmware Release






Zyxel Switch XGS1930 Series Release Note
July 2025
ZyNOS Firmware Version on all models
(Click Hyperlink to download the firmware directly)
Zyxel XGS1930-28HP - V5.00(ABHS.0)C0
Zyxel XGS1930-28 - V5.00(ABHT.0)C0
Zyxel XGS1930-52HP - V5.00(ABHV.0)C0
Zyxel XGS1930-52 - V5.00(ABHU.0)C0
New Feature and Enhancements
1. [Standalone, Nebula] Renovate Web GUI layout for better usability of Switch management.
2. [Standalone, Nebula] Intuitive Cloud connection status with help message.
3. [Standalone, Nebula] Strengthen security for network management with built-in notification in case of abnormal login attempt.
4. [Standalone, Nebula] The year of Time Range page starts with current system time.
5. [Standalone, Nebula] Provide time-stamp on filename title when backup configuration file.
6. [Standalone, Nebula] Prevent page refresh when clicking the cancel button in pop-up messages on the dashboard.
7. [Standalone, Nebula] Support public key authentication for SSH.
8. [Standalone, Nebula] Remote management offers support for IPv6.
9. [Standalone, Nebula] The admin account can be changed, providing flexibility and security to the network management system.
10. [Standalone, Nebula] Disable Telnet feature by default setting.
11. [Standalone, Nebula] Web Support Re-Generate SSH Public Key 2048bit for RSA.
12. [Standalone, Nebula] Enhance security by supporting the ECDSA algorithm in SSH.
13. [Standalone, Nebula] Support event log and SNMP trap functionality to generate alerts when system logs reached 90% of thresholds.
14. [Standalone, Nebula] Support user IP lockout functionality after a certain number of failed login attempts.
15. [Standalone, Nebula] Device firmware upgrade will check file checksum.
16. [Standalone, Nebula] The login page will automatically redirect from HTTP to HTTPS to enhance network security.
17. [Nebula] Unlock local Web GUI for cloud mode.
18. [Nebula] Provide the Nebula password reminder on login page of web GUI.
19. [Standalone] Supports “Account Security” option on WEB GUI to encrypt admin / user account password and options to display user/AAA/SNMP credentials.
20. [Standalone] Supports auto STP path cost which will determine path cost by the port's current link speed.
21. [Standalone] NCC discovery adds reminder to save configurations.
22. [Standalone] Strengthen user security with the encryption of TACACS+ & Radius shared secret.
23. [Standalone] Extend RADIUS server support range from IPv4 to IPv6.
24. [Standalone] Enhance Guest VLAN to isolate broadcast packets between VLANs.
25. [Standalone] Add note on cable diagnostics to inform the operating limits for local web GUI.
26. [Standalone] Allow to change the IP address from DHCP to static type directly for Layer 3 switch.
27. [Standalone] Enhance security of login process by adding HTTPS login option.
28. [Standalone, Nebula] Improve 802.1x and MAC authentication support to identify the Termination-action and port number attribute.
29. [Standalone] Enhanced search bar with improved keyword searching capabilities.
30. [Standalone] Automatic detection of media type for Zyxel Transceivers and DAC.
31. [Standalone, Nebula] Allow SSH and CLI commands to be combined and display the command result directly.
32. [Standalone, Nebula] Improve Dashboard's port link speed color display to enhance user experience and intuitiveness.
33. [Standalone] Clicking on the port icon in the dashboard now redirects to the Port Settings page, providing quicker access to configuration options and improving usability.
34. [Standalone] Enhance security by forcing users to change the password after first login.
35. [Standalone] Expand NTP servers from 1 to 3.
36. [Standalone] Support Zyxel Private MIB.
37. [Nebula] Enhance the cloud auto recovery mechanism to prevent the device from being locked when the connection is unstable.
38. [Nebula] Nebula Switch supports SSH connection to access command line for advanced feature.
39. [Standalone] Support password complexity for user/SNMP account and enable mod, with default setting is disable.
40. [Standalone] Support interactive password command for masking password in CLI when you creating account.
41. [Standalone] Enable password encryption by default to enhance security.
42. [Nebula] Support Hardware monitor. (CPU/Memory/Temperature/Fan)
43. [Nebula] Support DHCP relay and added DHCP option 82 for DHCP relay.
44. [Nebula] When configure existence management IP address, a warning message will alert for preventing IP conflict.
45. [Nebula] Support flow control on the port setting.
46. [Nebula] Support port Profile.
47. [Nebula] Support IGMP Report Proxy setting.
48. [Nebula] Support Dynamic VLAN assignment through 802.1x authentication.
49. [Nebula] Detect transceiver over-temperature to trigger full-speed fan.
50. [Nebula] Support MAC authentication by cloud authentication on NCC.
51. [Nebula] Support BPDU and loop guard err-disable recovery.
52. [Standalone] Add new system log for changes in service access control configuration.
53. [Standalone] Limit login accounts with privileges 0 to 2 only to display basic system information on web GUI.
Bug Fix
Bug fix | C | S |
1. [eITS #241001395] IPSG with IPv6 has lease time of only 10 seconds. | - | V |
2. [eITS #241100262] Cannot clear classifier names longer than 10 characters. | - | V |
3. [eITS #241100288] MSTP root guard cannot prevent the RSTP Superior switch from preempting the root. | V | V |
4. [eITS#241100538] Fix special characters(space,' ,") can be allowed in username to cause configuration error. | - | V |
5. [eITS #250100026] Fixed abnormal crash issue when continues queries OID 1.0.8802.1.1.2.1.5.4795.1.2.1.1 and its sub- OIDs. | V | V |
6. [eITS #241200595] Fixed high CPU usage triggered by client switching between trunk interfaces. | V | V |
7. [eITS #250100440] Fixed that truncated DNS packets cannot be process to cause DNS parsing failed. | V | - |
8. [eIST #250100337] Fixed DHCPv6 snooping not work due to device cannot process DHCPv6 request with IA_PD+IA_NA option. | - | V |
9. [eITS #250201088] When the RADIUS server does not provide a session- timeout attribute, the switch will re- Bug fix Nebula Standalone authenticate successfully connected devices every hour by default. | V | - |
10. [eITS #250200357] The switch has drop the EAPoL unicast packet. | V | V |
11. [eITS #250302409] Fixed the device sometimes fail to connect with Nebula server. | V | - |
12. [eITS #250500429] Fixed crash when receive IPv6 tunnel packet. | - | V |
13. [eITS #250601084] Fixed hang when use CLI show tech-support. | V | V |
14. [eITS #250601569] If set the default gateway with link local address, the IPv6 routing table would display abnormal next hop. | - | V |
Please refer to the Download Link for more details.
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