NebulaFlex Switch GS2220 Series - V4.70 Patch 1 Firmware Release

Nebula Moderator

Zyxel Switch GS2220 Series
Release Note
January, 2021

Firmware Version on all models

Zyxel GS2220-10       - V4.70(ABRO.1

Zyxel GS2220-10HP  - V4.70(ABRP.1

Zyxel GS2220-28       - V4.70(ABRQ.1

Zyxel GS2220-28HP  - V4.70(ABRR.1

Zyxel GS2220-50       - V4.70(ABRS.1

Zyxel GS2220-50HP  - V4.70(ABRT.1

New Feature and Enhancements

CLD=Cloud mode, STD=Standalone mode

No.	New Feature and Enhancements	CLD	STD
1.	L2PT supports LLDP packet		V
2.	Supports IGMP Snooping smart forward		V
3.	Supports asymmetric flow control		V
4.	Cloud mode SNMP monitoring supports same MIBs as standalone	V
5.	*Supports creating IP interfaces (for Auto PD recovery to ping other subnets, additional interface for SNMP and syslog monitoring etc.)	V
6.	*NCC live tool supports real-time MAC table statistics	V
7.	*Supports blocking clients on NCC	V
8.	*Switch name on NCC will be configured to its local host name	V
9.	*Switch will keep its management interface IP when removed from Site	V

Note : * Coming soon on NCC

Bug fix

 CLD=Cloud mode, STD=Standalone mode

No.	Bug fix	CLD	STD
1.	[eITS#201201257] When switch disconnects from NCC causes memory leak and gradually affects the management capability of the switch, but network functionalities will operate as normal. In the unlikely event if the switch had lost its Nebula connection, perform reboot to recover from the anomaly. Recommended action: We advise to perform or schedule firmware upgrades as soon as possible.	V
2.	[eITS#201101002, # 201101513] Receiving an LLDP packet with multiple IP subtypes, will cause the switch hang.	V

Please refer to the Download Link for more details.