Enhancements:
- The show fiber-ports optics all command displays the temperature and voltage for all 4 channels of 40G optics.
Bug Fixes:
- Getting an error message when the configuration is saved through the local browser UI.
- Fixes an issue where the local switch doesn’t detect a loop present in the remote switch.
- After reboot, the switch doesn’t come online if SFP+ modules are used in a LAG.
- Sometimes the DHCP client doesn’t get an IP address.
- The switch reports Rx errors when the stack is rebooted.
- The default MTU value is not set when the 'no mtu' command is issued.
Known Issues:
- For user passwords, line passwords, and enable passwords, automatic configuration migration is supported to a more secure SHA512 in 12.0.17.6 or later releases if the passwords are encrypted in AES in 12.0.15.7 or prior releases.
- When user, line, and enable passwords are encrypted with MD5 (salted) in 12.0.15.7 or prior releases, they won’t be migrated into 12.0.17.6 or later releases.
Workaround: Set new passwords. - SNMPv3 MD5 and SHA-based passwords from 12.0.15.7 or prior releases won’t be migrated into 12.0.17.6 or later releases.
Workaround: Set new passwords. - 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 or later releases.
Workaround: Clear the browser cache to view this newly added page.
Download Link: https://www.downloads.netgear.com/files/GDC/M4300/GSM_XSM4300_V12.0.17.8.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:07/07/2025
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Article ID: 000065195