NebulaFlex Switch CX4800 Series - V2.00 Patch 1 Firmware Release

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Zyxel_Melen
Zyxel_Melen Posts: 4,944 image  Zyxel Employee
Zyxel Certified Network Engineer Level 1 - Switch Zyxel Certified Network Administrator - Switch Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate
edited June 30 in Switch New Release

Zyxel Switch CX4800 Series Release Note 

March 2026

FaOS Firmware Version on all models

(Click Hyperlink to download the firmware directly)

Zyxel CX4800-56F - V2.00(ACJN.1)C0

New Feature and Enhancements

1. Enlarge Multicast group from 1K to 4K. 

2. Support querier flooding GSQ to all VLAN member ports when receiving IGMP leave.

Bug Fix

C=Cloud mode, S=Standalone mode

Bug fixCS
1. [eITS#260100478] Fixed non-querier send GSQ after receiving IGMP leaveVV
2. [eITS#251002070] [eITS#260100247] Fixed an issue where IP and password synchronization could fail after backup takeover in cloud stacking with static IP configured.V-
3. [eITS#260200499] Fixed an issue that CX4800-56F stacking channel could disconnect.VV
4. In stacking mode, the switch may crash during a master failover (master down) if it is processing more than 900 IGMP groups simultaneously.VV

Please refer to the Download Link for more details.

Zyxel Melen