NETGEAR GSM4328PB Switch Firmware 12.0.9.4

Bug Fixes:

- Switches in a stack setup randomly reboot 1 to 2 times per month.
- Link on the switch is down when the speed is changed from 1G to 100MB on the remote device.
- Change default QoS trust mode from dot1p to ip-dscp (from 'classofservice trust dot1p' to 'classofservice trust ip-dscp'): When customer does image upgrade to 12.0.9.4 or later releases, default/explicitly configured QoS dot1p (in the old image) will be changed to ip-dscp. If customer wants dot1p QoS mode, then customer has to explicitly configure dot1p again after the image upgrade.
- Switch is not accessible if the user stays in “change default password page” on the GUI for a minute and then closes the page.
- LLDP remote device information wasn't flushed when the port is disconnected.
- LAGs between the core Switches in stack and other managed switches randomly go down
- Decoders are getting flooded with video stream even when they are not subscribed.
- In a stack environment, after reloading the device, sometimes member unit port status was either "Detach" or "link down"
- Change default hash mode for LACP lag interface and stack interface to 2
- Flow control operational state is not becoming Active on 1G SFP links
- PoE task is running even though PoE is disabled
- Vulnerability alert: Linux DOS issue
- Unknown multicast packets flooded to all ports.
- GUI cannot login when the user clicks 'Enter' button after entering correct username/password
- Card probe improvements for M4300-96X IO cards APM408C, APM408P, APM408F & APM402XL
- IGMP member port got removed from multicast table without clear reason​
- 100M ports auto negotiation doesn't work when the switch reboots unless port is removed and added back.
- DUT popup error when set LAG hash mode 7 on M4300-52G-PoE

Known issues:

- When a 40G port on APM402XL is expanded into 4 10G ports, these 10G ports cannot be configured as stacking port due to hardware limitation
- The 40G port can be expanded into four 10G ports via new ‘hardware profile portmode’ command, but this command will not retain across stack failover from stack master to standby unit.
- User could pre-configure a APM402XL before the module is inserted the slot. And most of port configuration can be applied except the port expander command, ‘hardware profile portmode’ will fail.
- The port LED on APM402XL module is not blinking when there is line activity and the 40G port is operating in four 10G ports mode. (HW limit)
- Stacking port mode does not survive hot plug-out and plug-in. One or more ports of an APM can be configured in Stacking mode. Once reloaded with this APM inserted, those ports would still operate in stacking mode. However, during run time, if the same APM is plugged out and plugged back in, the configured stack ports will be restored back to Ethernet mode. User would need to reconfigure them manually for stacking mode after hot insertion.
- Hot plug-in of any APM module won’t work if M4300-96X is booted without any APM pre-installed and with factory default settings. Install at least one APM module before booting up the switch.
- When APM402XL is operating in four 10G port mode, and connects these 10G ports are connected with a DAC fan-out cable, the link #1 of DAC fan-out cable will show up as port 3 in switch’s configuration and physical link #3 will show up as port 1 inside the switch’s configuration. This will be fixed in the upcoming maintenance release.
- M4300-96X copper port doesn’t link up at 2.5Gbps when it is connected to WAC740’s 2.5G port, it works only at 1Gbps. This will be fixed in the upcoming maintenance release. 

About Switch Firmware:

Given the large variety of models and different methods for upgrading the switch, if you wish to apply this package, we recommend that you read and understand the installation steps before you install a new firmware, even if you are a power user.

Usually the update procedure isn't much of a hassle as manufacturers try to make it as simple as possible; however, there are cases that are exceptions to this rule. First off, go to the system information page of the switch to check that the currently installed version isn't either newer or matching this release.

Applying a new firmware can decrease the security vulnerabilities, enhance overall performance and compatibility, improve various power management functions, resolve different errors, and add support for newly developed technologies and protocols.

It is recommended that you perform this step in a steady power environment such as the one ensured by a UPS unit, and that you don't interrupt the upgrade in any way, because this might cause the switch to malfunction.

That being said, click the download button, get and apply the new version, and check back with our website constantly to stay up to speed with the latest releases.