Enhancements:

The AV UI provides the following enhancements:

Added new profiles: Birddog, Audio Basalte Multiroom, Audio Audio-Technica, and Kramer AV
Added the Manual Trunk configuration option
Added the option to configure STP priority on the Edit STP Network Redundancy pop-up page, which you can access from the Overview page
Added a new “Port Interface Setting” configuration on the Port Configuration page
Added the Profile Name and Template fields to the pop-up window that displays when you point to the switch graphical display on the Overview page
Added a pop-up window to the switch graphical display on various pages
Added support of “CYP” and “IPMX” in video profiles
PTP TC is now enabled by default for the Audio AES67 and Birddog profiles and is disabled by default on any other profiles that use PTP
For pages that show the switch graphical display, the legend is now hidden by default.

In addition, this release provides the following enhancements:

Added 802.1AS Grand Master capability
Added a non-unicast hash configuration for LAGs
Added support of the QDP protocol packet flood in the VLAN
Added the show application command in the tech-support file

Bug Fixes:

Fixes the issue where the switch hangs and becomes unresponsive.
Fixes the issue where a DHCP client does not receive an IP address if the client’s MAC address is in the DHCP pool and the DHCP packets for the client include a client identifier.
Disables the support for SHA-1 HMAC.
Fixes the issue where an SDVoE device does not receive an IP address from the switch after the device is rebooted.
Fixes the issue where the links do not come up for 1G and 10G connections between two switches.
Fixes the issue where an SNMP trap receiver no longer receives the traps after the switch is rebooted.
Fixes the issue where the CLI console shows asterisks after you log in to the switch.
Fixes the issue where the switch does not offer a lease IP address to a DHCP client after the client responds to a ping request from the switch.
Fixes the issue where DHCP binding table content is not same in the CLI and UI.
Fixes the issue where a statically added MAC address is replaced by a dynamically learnt MAC address when you enter the clear mac-addr-table command from the CLI while traffic is flowing, and that traffic has the same static MAC address as the MAC address of the source on a different port.
Fixes the issue where the 802.1AS sync message interval of the switch is changed after a connected device is rebooted.
Fixes the issue where packets drop from outgoing traffic on an a 1G port when bursty traffic is received on a 10G port.
Fixes the issue where the switch remains in a reboot loop.
Fixes the issue where the switch reboots when you use the Q-Sys plugin.
Fixes the issue where the AV UI displays an incorrect power usage for the SFP+ port if the highest-numbered PoE port is being used.
Fixes the issue where the AV UI displays incorrect port statistics.
Fixes the where issue the AV UI neighbor page shows the same IP address for all VLANs when the client device uses multiple VLANs.
Fixes the issue where the bitrate always displays as 0 under Port Statistics.
Fixes the issue where a parsing error occurs.
Fixes the issue where information is not displayed for all ports.
Fixes the issue where incorrect fiber optics information is displayed.
Fixes the issue where a VLAN ID is not found.
Fixes the issue where a Shure M4250 device automatically and unintendedly changes the port authentication (802.1x) mode settings when you apply the Shure Split profile.
Fixes the issue where the Shure Designer generates an 802.1x failure when the switch is connected over an M4250 model switch.
Fixes the issue where the neighbor table in the AV UI displays an incorrect entry for the Shure MXA Mute Button.
Fixes the issue where you cannot power cycle a port to which a PoE++ device is connected.
Fixes the issue where the switch generates incorrect information for a host table.
Fixes the issue where the VLAN IP settings are lost in the AV UI.

Known Issues:

In the Main UI, if you upgrade from firmware release 13.0.0.x to release 13.0.2.x, JavaScript errors might occur.
Workaround: After the firmware upgrade, clear your browser cache.
In the ProAV UI, restoring the configuration might fail.
Workaround: Restore the configuration through the Main UI.

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 13.0.2.24 or earlier releases, automatic migration is supported to the more secure SHA512 in release 13.0.2.31 or later releases.
User passwords, line passwords, and enable passwords that are encrypted with MD5 (salted) in firmware release 13.0.2.24 or earlier releases are not migrated to release 13.0.2.31 or later releases, so they must be set manually.
SNMPv3 MD5 and SHA-based passwords from firmware release 13.0.2.24 or earlier releases are not migrated to release 13.0.2.31 or later releases, so they must be set manually.

Download Link: https://www.downloads.netgear.com/files/GDC/M4250/GSM421xxx_MSM4214_XSM4216F_V13.0.4.23.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.