Enhancements:
This firmware release provides the following enhancements:
- Added support to enable or disable enhanced hash mode on LAGs for non-unicast traffic.
- Added support to ignore the processing of client-identifier present in a DHCP transaction.
The AV UI provides the following enhancements:
- In the Network Profiles page, when you create a profile using profile templates, the “PTP residency time stamping” toggle button is present to enable or disable PTP TC setting for the profiles excluding Audio-Video AVB, SMPTE, Data, A&H, Nucleus, Sonos, Video NDI 4, Visionary, Video, and Lighting.
- A new application APP Manager is installed on the switch, the console command “show application” will only display “appmgr” with the version number. The AV UI, Rest Agent and Discovery agents are managed by App Manager.
Bug Fixes:
This firmware addresses the following bugs:
- Fixes the issue where the ‘no auto-negotiate’ command does not persist after the switch reboots. [CE-5553]
- Fixes the issue where the DHCP binding table in Main UI and CLI does not display all the IPs offered to the clients. [MS-4211]
- Fixes the issue where the Main UI help page of CST Port Configuration displays BPDU Flood and the UI configuration page displays BPDU Forwarding. [CE-5421]
- Fixes the issue where the switch crashes. [CE-5506]
- Fixes the issue where the Main UI and CLI display differently when a member port of a LAG changes to a tagged port from the Main UI. [CE-5671]
- Fixes the issue where a member switch of a stack crashes. [MS-4246]
This AV UI addresses the following bugs:
- Fixes the issue where AV UI overwrites manually configured settings when editing a profile in the AV UI. The AV UI only overwrites the profile related settings. [CE-5767]
- Fixes the issue where it is not possible to edit the IGMP Querier setting in the AV UI. [CE-5895]
- Fixes the issue where the 100G module link status displays incorrectly in AV UI. [CE-5861]
- Fixes the issue where the port configuration in dark mode displays less contrast when the mouse hovers over the port. [CE-5844]
- Fixes the issue where a manually configured trunk displays as AutoTrunk. [CE-5775]
- Fixes the issue where some ports do not display the IP addresses when the mouse hovers over the port in AV UI. [CE-5678]
Known Issues:
- When the M4250 switch connects to a M4500 MLAG domain, and the M4500 switch reboots, the AutoLAG between the M4250 and M4500 domain does not occur. [MS-4306]
Workaround: Disable and enable “lldp receive” on the LAG member ports of the M4250 switch. - The Rest Agent API (port 8443) that downloads the firmware does not work properly using “https” and “http”. [PE2-711]
Workaround: Use “tftp” to download the firmware. - After upgrading from firmware release 12.0.9.x to release 12.0.11.x or a later release, when you use the Main UI and you select Routing > Multicast > Mroute Static-Multicast Configuration, the page does not display automatically.
Workaround: After the firmware upgrade, clear your browser cache. - You cannot configure fan out for a standby member of a stack of M4300-96X switches using AVUI.
Workaround: Use the main UI to configure fan out. - After configuring “Force Multicast” or “Block Multicast” for a LAG using AVUI, the configuration is successfully applied to the switch, but no Force or Block icon displays on the LAG port.
- After configuring “Force Multicast” or “Block Multicast” on one or several ports of an
M4300-96X switch using AVUI, the port status information (such as VLAN profiles, colors, and so on) no longer displays.
Workaround: Refresh the AV UI page. - Changing the enhanced hash mode for non-unicast traffic to balance a LAG affects the LAG balance for unicast traffic.
Workaround: Do not change the enhanced hash mode for non-unicast traffic if unicast traffic is passing through the LAG.
Warnings:
Read and follow these warnings before updating your firmware:
- For user passwords, line passwords, and enable passwords that are encrypted with AES in firmware release 12.0.15.7 or earlier releases, automatic migration is supported to the more secure SHA512 in release 12.0.17.6 or later releases.
- User passwords, line passwords, and enable passwords that are encrypted with MD5 (salted) in firmware release 12.0.15.7 or earlier releases are not migrated to release 12.0.17.6 or later releases, so they must be set manually.
- SNMPv3 MD5 and SHA-based passwords from firmware release 12.0.15.7 or earlier releases are not migrated to release 12.0.17.6 or later releases, so they must be set manually.
General Information:
- Bootcode remains at existing version 1.0.0.17 in this switch firmware.
- Newly added AppMgr version is v1.0.0.30.
Download Link: https://www.downloads.netgear.com/files/GDC/M4300/GSM_XSM4300_V12.0.19.4.zip
Firmware Update Instructions:
To update your product’s firmware, follow the instructions in your product’s user manual. To find your user manual, visit https://www.netgear.com/support/, enter your model number in the search box, and click the Documentation button on the product page.
Last Updated:07/07/2025
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Article ID: 000066372