Enhancements:
- Adds support for SDM templates on models M4300-48XF, M4300-24XF, and M4300-16X.
- Adds the IP address of the host in the switch log when an unsuccessful logging attempt to the switch is made.
- Adds new profiles: Crestron DigitalMedia AV Network, Visionary Network AV, and NUCLEUS Converged AV Network.
- Adds the AV UI dark theme.
- Adds a provision to disable an AV UI HTTP connection so that it can align with the Main UI HTTP/HTTPS configuration.
- Adds support in the AV UI to directly modify an existing network profile template to another profile template.
Bug Fixes:
- Fixes the issue where the Main UI is not accessible after you disable HTTP (unsecure) mode, enable HTTPS (secure) mode, save the configuration, and reboot the switch.
- Fixes the issue where IGMP does not recognize the multicast group with IP address 239.0.0.5.
- Fixes the issue where an M4300-96X stack configuration unexpectedly goes down.
- Fixes the issue where the DHCP bindings table is no longer updated after the switch is rebooted and reconnects.
- Fixes the issue where a single Unidirectional Link Detection (UDLD) packet is transmitted when the switch starts even through UDLD is disabled.
- Fixes the issue where log messages related to loop protection are displayed even though loop protection is disabled.
- Fixes the issue where the switch goes down when it uses a non-default SDM template and you access the Network Page in the AV UI.
- Fixes the issue where the switch CLI hangs and does not display SFP+ information when a 40G DAC is inserted.
- Fixes the issue where a configuration conflict occurs when both an ACL and a DiffServ policy are configured on a port.
- Fixes the issue where the switch goes down when it uses a non-default SDM template and you attempt to clear the configuration.
- Fixes the issue where the Main UI displays a generic VLAN name if the VLAN name contains a space in the configuration file.
Warnings:
- 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.
Known Issues:
In the main UI, the following issue can occur:
- 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 doesn’t display automatically.
Workaround: After the firmware upgrade, clear your browser cache.
In the AV UI, the following cosmetic issues can occur on the Configure > Multicast page:
- After configuring “Force Multicast” or “Block Multicast” for a LAG, 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, the port status information (such as VLAN profiles, colors, and so on) no longer displays.
Workaround: Refresh the AV UI page.
Download Link: https://www.downloads.netgear.com/files/GDC/M4300/GSM_XSM4300_V12.0.17.15.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:10/17/2025
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Article ID: 000065868