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Forum Discussion
kc6108
Feb 12, 2021Luminary
Priority Flow Control (PFC) IEEE 802.1Qbb
I have a few projects going on right now for some clients involving the M4300-16X. While doing some research trying to meet some requirements, I noticed that PFC may not have been implemented for this...
- Feb 18, 2021
Hi kc6108
As I said, PFC is hardware dependent, not software dependent - the underlying Switch Chipset in M4300-8X8F (XSM4316S) and M4300-16X (XSM4316PA and XSM4316PB) is the same and it's not supporting PFC.
I hope this helps - everything above in this thread remains true and I hope can be confirmed in the M4300 datasheet for you.
Regards,
LaurentMa
Feb 12, 2021NETGEAR Expert
Thank you kc6108 for using our M4300 series. As stated in the datasheet, page 15, page 39 and page 51 , PFC is supported on M4300-12X12F, 24X, 24X24F, 48X and 96X models only.
This is not software adaptation - we run the same software across all M4300 models. This is due to the hardware, with some underlying chipsets not supporting PFC while some others do. The M4300 16-port 10G or Multi-Gig models won't be capable of PFC.
Yes, the M4300-96X is by far the flag ship here with true Multi-Gigabit Ethernet support across the board and up to 96 ports.
I hope this helps,
Regards,
kc6108
Feb 18, 2021Luminary
Thank you for your quick reply LaurentMa
I'm fully aware that PFC will never work on the M4300-8X8F (XSM4316S) switches due to hardware incompatibilities. I remember discovering PFC wasn't supported a couple of years ago... just about the time Netgear realized it as well and had to update the datasheets.
I was actually hoping that since both of the M4300-16X switches, the XSM4316A and XSM4316B, were just released (just over a year ago) that measures would have been taken to ensure PFC would be compatible... if at all possible.
Would you please check with engineering to ensure PFC is still a no go with the much newer 16-port switches in question?
Many thanks,
Curtis
- LaurentMaFeb 18, 2021NETGEAR Expert
Hi kc6108
As I said, PFC is hardware dependent, not software dependent - the underlying Switch Chipset in M4300-8X8F (XSM4316S) and M4300-16X (XSM4316PA and XSM4316PB) is the same and it's not supporting PFC.
I hope this helps - everything above in this thread remains true and I hope can be confirmed in the M4300 datasheet for you.
Regards,
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