Switch GS2220 Series Release Note
Zyxel Switch GS2220 Series
Release Note
October, 2022
Firmware Version on all models
(Click Hyperlink to download the firmware directly)
Zyxel GS2220-10 - 4.70(ABRO.6)C0
Zyxel GS2220-10HP - 4.70(ABRP.6)C0
Zyxel GS2220-28 - 4.70(ABRQ.6)C0
Zyxel GS2220-28HP -4.70(ABRR.6)C0
Zyxel GS2220-50 -4.70(ABRS.6)C0
Zyxel GS2220-50HP -4.70(AbRT.6)C0
New Features and Enhancements
No. |
New Feature and Enhancements |
CLD |
STD |
1. | Wide Range Detection is integrated into Force-802.3at mode. | V |
Bug fix
No. |
Bug fix |
CLD |
STD |
1. | [CVE-2022-0778] Vulnerability protection to avoid DoS condition by OpenSSL infinite loop issue. | V | V |
2. | [Vulnerability] Vulnerability protection for unauthenticated Denial-of-Service (DoS) by RpAnalyzeHttpRequest. | V | V |
3. | [DHCP] DHCP client is not sending decline packet when assigned IP from DHCP server conflicted with other device. | V | V |
4. | [ITS: 210501222] problem to display proper login page when Switch is under concurrent TCP ping task. | V | V |
5. | [ITS: 210900900] Nebula CC may display incorrect ports' TX/RX data. | V | - |
6. | [ITS: 210701300] Switch supports IGMPv3 packet for source-type of “block source” parameter for Fast-leave. | V | V |
7. | [ITS: 220400686]Networked AV mode wizard allow user to set different VLAN interface with same IP address. | - | V |
8. | Support zyDateTimeServerIpAddress (1.3.6.1.4.1.890.1.15.3.82.1.2) MIB. | - | V |
9. | [ITS: 220500960] Disabling 802.1x or guest VLAN functionality on other ports will cause the authenticated clients to disconnect and require re-authentication. | V | V |
10. | [ITS: 220700265] Firmware upgrade fails when the policy rule is bound to multiple classifiers. | - | V |
11. | [ITS: 220701015] Default setting switch might answer ICMP request for unknown IP in the different subnet. | - | V |
Please refer to the Download Link for more details.
Chris
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