ZyXEL Communications GS1920-48HP Release Note/Manual Supplement
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ZyXEL Communications GS1920-48HP Release Note/Manual Supplement

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Zyxel GS1920 series V4.50(AAxx.2)C0
Release Note/Manual Supplement
Date:
Feb. 27, 2018
This document describes the features in the GS1920 series product for its
V4.50(AAxx.2)C0 release.
Support Models:
Zyxel GS1920-48HP
Zyxel GS1920-48
Zyxel GS1920-24HP
Zyxel GS1920-24
Version:
Model
Zyxel GS1920-48HP
Zyxel GS1920-48
Zyxel GS1920-24HP
Zyxel GS1920-24
Firmware Version
V4.50(AAOA.2) | 02/27/2018
V4.50(AANZ.2) | 02/27/2018
V4.50(AAOC.2) | 02/27/2018
V4.50(AAOB.2) | 02/27/2018
www.zyxel.com
Boot Version
V1.00 | 11/15/2013
V1.00 | 11/15/2013
V1.00 | 03/21/2014
V1.00 | 03/21/2014
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Summary of Contents for ZyXEL Communications GS1920-48HP

  • Page 1 Zyxel GS1920 series V4.50(AAxx.2)C0 Release Note/Manual Supplement Date: Feb. 27, 2018 This document describes the features in the GS1920 series product for its V4.50(AAxx.2)C0 release. Support Models: Zyxel GS1920-48HP  Zyxel GS1920-48  Zyxel GS1920-24HP  Zyxel GS1920-24 ...

  • Page 2: Enhanced Features

    www.zyxel.com Enhanced Features: V4.50(AAxx.2)C0: NTP Server supports DNS format Enhanced dual image resilience SHA2 Show IPv6 socket Logout all current user access after changing the device management IP Display port utilization Use [Ctrl+C] to escape when executing “show running config, show log” Time sync (NTP) over IPv6 Syslog setup for IPv6 and UDP port 10.
  • Page 3 www.zyxel.com 4. eITS#160300698 [VLAN] Partial configuration loss occurs after configuring private VLAN via web GUI and rebooting switch. 5. eITS#160500852 [MGMT] GS1920-24HP can upload successfully GS2210’s firmware, which will cause GS1920-24HP crash and never boot up properly after rebooting. 6. eITS#160700103 [Log] Displayed port speed value is always 0 KB/s for both TX and RX.
  • Page 4 www.zyxel.com Known Issue: [Bandwidth Control] Ingress rate limit of TCP traffic might have inaccuracy with some criteria. [Security] Fake IP traffic cannot be filtered when a static IP binding existed. [DIAG] The cable length resolution of Cable Diagnostic is about +-15 meter. [DIAG] The fault distance of Cable Diagnostic is less than 1 meter without cable inserted.

  • Page 5: Firmware Upgrade

    www.zyxel.com Change History: V4.50(AAxx.2) | 02/27/2018  V4.30(AAxx.0) | 09/16/2015  V4.10(AAxx.0) | 12/25/2013  Firmware Upgrade: The GS1920 series use FTP to upgrade firmware in run-time through its built-in FTP server. You can use any FTP client (for example, ftp.exe in Windows) to upgrade GS1920 series.
  • Page 6 Reset button on the side of Switch as shown below. Side Panel: GS1920-48 Side Panel: GS1920-24, GS1920-24HP, GS1920-48HP 2. Press the button for more than five seconds until SYS LED begins to blink and then release it.

This manual is also suitable for:

Gs1920 seriesGs1920-24Gs1920-24hpGs1920-48

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