NebulaFlex Switch GS2220 Series - V4.80 Patch 1 Firmware Release

Zyxel_Melen · July 15

Zyxel Switch GS2220 Series Release Note

July 2024

Firmware Version on all models

(Click Hyperlink to download the firmware directly)

Zyxel GS2220-10 - V4.80(ABRO.1)C0

Zyxel GS2220-10HP - V4.80(ABRP.1)C0

Zyxel GS2220-24 - V4.80(ABRQ.1)C0

Zyxel GS2220-28HP - V4.80(ABRR.1)C0

Zyxel GS2220-50 - V4.80(ABRS.1)C0

Zyxel GS2220-50HP - V4.80(ABRT.1)C0

New Feature and Enhancements

1. [Nebula] Enhance the cloud auto recovery mechanism to prevent the device from being locked when the connection is unstable.

2. [Standalone] Enhance security by forcing users to change the password after first login.

3. [Standalone] Expand NTP servers from 1 to 3.

4. [Standalone, Nebula] Enhance security by supporting the ECDSA algorithm in SSH.

Bug Fix

C=Cloud mode, S=Standalone mode

Bug fix	C	S
1. [Vulnerability] Fixed crash issue when receive an unexpected HTTPs request content. Bug fix Nebula Standalone	V	V
2. [eITS #221201201] Getting logging information that contains special characters causes switch hang.	V	V
3. [eITS #230301533] Fixed reading mib zyxelIpsgInfoTable fail.	V	V
4. [eITS #230301330] Fixed failing to import certificate while the file size is over 5k	-	V
5. [eITS #230400140] Fixed switch crashed issues that is caused by Nessus version 10.5.1 to scan SSH.	V	V
6. [eITS #230400154] Fixed failing to delete inactive classifiers even though they are not bound to any policies.	-	V
7. [eITS #230500677] Fixed timer unexpected goes slowly after lots of STP topology change occur.	V	V
8. [eITS #230500705] [eITS #230901020] Switch sometime disconnect with NCC when DNS requery find server IP has changed.	V	-
9. [Forum] Fix incorrect swif0 interface counter in standard IfEntry MIB.	V	V
10. [eITS# 230700521] Fix crash issue which receiving a unexpected format DHCP packet when device enable DHCP snooping.	V	V
11. [eITS #230801140] Fix the crash when enable IPv6 and receiving an IPv6 NA packet.	-	V
12. [eITS #231001888] Fixed fail to add policy rule issue when binding the second classifier containing the same socket range as the first one.	-	V
13. [eITS#231201249] Fixed switch may reboot automatically when receiving IPv6 packets.	-	V
14. [eITS#240200888] The switch crashes due to field length limitation when the index button at IPv6 table is clicked.	-	V
15. [eITS#230900573] Fixed an issue causing the switch to repeatedly switch from standalone mode to cloud mode leading to switch offline.	V	-
16. [eITS#240301159] IPv6 traffic drop or has high latency due to ACL trap the traffic. Bug fix Nebula Standalone	V	V
17. [eITS #240201138 ]Fixed an error caused by changing VLAN port settings after adjusting Voice VLAN ID.	V	V
18. [eITS #240301821] Restore wrong type of configuration without displaying an error message	-	V
19. [eITS #240500205] Switch hang when click PD "Reset" via Neighbor page	-	V

Please refer to the Download Link for more details.