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Forum Discussion
M4300-28G losing SFP port config after restart
Seeing odd behavior on an M4300-28G and using Intel SFP+ modules. They work fine with autonegotiation and at 1Gbps, but to get a 10Gbps link I have to manually configure both ends (NIC is an Intel x...
Also, the speed/duplex settings don't seem to save for switchports, either from the GUI or from CLI. Neither method writes anything to the config after saving.
See example CLI attempt below, note that the running config doesn't get updated... other configuration (like a test description) seem to work, just not speed/duplex.
(M4300-28G) #show running-config interface 1/0/27
!Current Configuration:
!
interface 1/0/27
description 'test-description-for-27'
mtu 9014
exit
(M4300-28G) #configure
(M4300-28G) (Config)#interface 1/0/27
(M4300-28G) (Interface 1/0/27)#speed 10G full-duplex
(M4300-28G) (Interface 1/0/27)#end
(M4300-28G) #show running-config interface 1/0/27
!Current Configuration:
!
interface 1/0/27
description 'test-description-for-27'
mtu 9014
exit
Hi Zebibyte
Welcome to the Community!
I understand you're using Intel SFP+ modules in your Intel x520 NICs. I think you are doing so because Intel NICs might not work with third-party SFP+ modules. In our M4300 documentation, we specify NETGEAR-only modules. Why? Because NETGEAR designs and tests its switch products for use with genuine NETGEAR Modules only. The use of third-party modules may result in reduced network performance and reliability, such as packet loss and connectivity issues. While the use of third-party Modules does not affect the NETGEAR switch's warranty, NETGEAR may not provide technical support for networking problems it determines are caused by third-party Modules only. In your situation, best would be the Intel x520 NIC equipped with this Intel SFP+ module --> multimode fiber --> NETGEAR AXM761 10GBASE-SR SFP+ module in M4300 switch.
To answer your question, we strive to offer maximum compatibility with standard based, high quality third-party modules, when it's possible. We don't claim universal support. The Community is going to help you, before we open a case at Technical Support.
First, please log in to the command line interface of the switch, and from enable mode, run the command: show tech-support. When done, you can proceed with the Web GUI. Please log in to the web interface, go Maintenance->Export->HTTP file export, select the 'techsupport file' in the drop menu.
Please send us the Tech Support file by email to switch_support@netgear.com. Please don't forget to include a link to this post on the Community forum. With the Tech Support file, we will be equipped to understand the problem with these SFP+ modules.
Regards,
Thanks, email sent with link and file
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