NebulaFlex Switch GS1920 Series - V4.80 Patch 0 Firmware Release

Zyxel_Melen

Zyxel Switch GS1920 Series
Release Note
April 2023

Firmware Version on all models

Zyxel GS1920-48HPv2 -4.80(ABMK.0)C0

Zyxel GS1920-48v2 -4.80(ABMJ.0)C0

Zyxel GS1920-24HPv2 -4.80(ABMI.0)C0

Zyxel GS1920-24v2    -4.80(ABMH.0)C0

Zyxel GS1920-8HPv2  -4.80(ABMZ.0)C0

New Feature and Enhancements

CLD=Cloud mode, STD=Standalone mode

No.	New Feature and Enhancements	CLD	STD
1.	Renovate Web GUI layout for better usability of Switch management.	V	V
2.	Intuitive Cloud connection status with help message.
3.	Strengthen security for network management with built-in notification in case of abnormal login attempt.	V	V
4.	Provide time-stamp on filename title when backup configuration file.	V	V
5.	Supports “Account Security” option on WEB GUI to encrypt admin / user account password and options to display user/AAA/SNMP credentials.	-	V
6.	Support auto configuration recovery on Nebula to prevent loss connection with NCC by misconfiguration.	V	-
7.	The year of Time Range page starts with current system time.	V	V
8.	Nebula Switch supports SSH connection to access command line for advanced features.	V	V
9.	Supports auto STP path cost which will determine path cost by the port's current link speed.	-	V
10.	Support user uses “setup.zyxel.com” directly to access local web GUI.	V	V
11.	NCC discovery adds reminder to save configurations.	-	V
12.	Strengthen user security with the encryption of TACACS+ & Radius shared secret.	-	V
13.	Extend RADIUS server support range from IPv4 to IPv6.	-	V
14.	Enhance Guest VLAN to isolate broadcast packets between VLANs.	-	V
15	Add note on cable diagnostics to inform the operating limits for local web GUI.	-	V
16.	Provide the Nebula password reminder on login page of web GUI.	V	-
17.	Nebula Switch supports IP source guard (IPSG) to prevent IP spoofing attacks.	V	-
18.	Support MAC authentication by cloud authentication on NCC.	V	-
19.	Support IGMP Report Proxy setting.	V	V
20.	Support Dynamic VLAN assignment through 802.1x authentication.	V	V
21.	The interval time of Loop errdisable recovery can be configured now.	V	V

Bug fix

CLD=Cloud mode, STD=Standalone mode

No.	Bug fix	CLD	STD
1.	[eITS #221101865] Fixed IOP issue on the specific 1G-NIC will link on 10M when using auto-negotiation.	V	V
2.	[eITS #221100146] LACP configuration may leads switch not handle the 802.1x authentication.	V	V
3.	[eITS #221101240] Fix recording syslog may cause memory leak.	V	V
4.	[eITS #221101132] After restoring config via SFTP may cause fail due to syntax error.	V	V
5.	[eITS #230400140] Fix the crash issue caused by Nessus tool scan.	V	V

Please refer to the Download Link for more details.