Enhancements:
- Assigns the service port (OOB port) IP address to 0.0.0.0 by default. As a fallback, if the service port is connected and the DHCP request times out, the switch assigns the IP address to 192.168.0.239.
Bug Fixes:
- Fixes an issue where the switch can go into a restart loop.
- The stack is unstable after a restarted stack member comes back online.
- The SFP link between the S3300-28X-PoE+ and XSM4348S switches is not restored after the S330028X-POE+ is restarted.
- The DiffServ wizard in the UI doesn't work.
- When the 10G/1G SFP module is used in an SDVoE environment, video tearing is observed.
- After a cold restart of the M4300-24XF stack, communication over an LACP LAG fails.
- Querier is not set when the IGMP-plus is configured for VLANs other than VLAN1.
- When using an FQDN to access the switch or stack, the switches lock up or restart.
- When a stack contains the M4300-52G, stack links experience issues with multicast load-balancing.
- Fixes an issue that caused intermittent crashes in certain environments.
- Stack ports of the switch don't work with DAC cables.
- 40G stack links are not stable with QSFP BiDi modules.
Known Issues:
- A new UI page added in the previous 12.0.11.x release under Routing > Multicast > Mroute Static-Multicast Configuration doesn’t display automatically after upgrading the switch firmware from 12.0.9.x to 12.0.11.x. Workaround: Clear the browser cache to view this newly added page.
Download Link: https://www.downloads.netgear.com/files/GDC/M4300/GSM_XSM4300_V12.0.13.8.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: 000063946