Enhancements:

This firmware release provides the following enhancements:

Added support to ignore the processing of client-identifier present in a DHCP transaction.
Added support to qualify Azure Stack HCI requirements for ‘Management’ and ‘Compute (Standard)’ profiles.

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 will be 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 packet drop occurs due to the bursty nature of the traffic by introducing the following CLI command on the port: cos-queue-buffer-multiplier. [CE-4810]
Fixes the issue where the switch operates in PTP TC mode and changes the previous clockId to 0 when appending its own clockId in Path Trace TLV of the Announce Message. [CE-5391]
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 some ports do not deliver power after switch reboots. [CE-5512]
Fixes the issue where switch delivers power to the connected PoE devices for few seconds during boot. [CE-5588]
Fixes the issue where switch intermittently crashes when you use the AV UI or Engage to manage the switch. [CE-5697]
Fixes the issue where AOC cable information does not display correctly. [MS-3989]
Fixes the issue where DHCP binding table in Main UI and CLI does not display all IPs offered to the clients. [MS-4211]
Fixes the issue where the PoE function breaks if switch is powered down shortly after the firmware upgrades and the switch reboots. [CE-5912]
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]

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] < br/> 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.
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.

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.

General Information:

Bootcode remains at existing version 1.0.0.11 in this switch firmware.
Newly added AppMgr version is v1.0.0.30.

Download Link: https://www.downloads.netgear.com/files/GDC/M4250/GSM421xxx_MSM4214_XSM4216F_V13.0.4.26.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.