Networking ConnectX-7 Firmware Release Notes

Changes and New Features

Changes and New Feature in this Firmware Version


Feature/Change

Description

28.39.2048

FEC Configuration

Changed the default FEC configuration for the "Protocol Aware" and "Active DME Modules" (ETH cables). 
For the list of cable identifiers, see tables below.

Bug Fixes

See Bug Fixes in this Firmware Version section. 


Protocol Aware ETH Cables


Byte 192 of Page 0 for sff cables

Name 

Auto Detect FEC 

Current Default FEC

Previous Default FEC

P/N - Example of one module

0x1A

100GBase DWDM2

No

NO FEC 

RS FEC 


0x21 

100G BIDI PAM4

No

NO FEC 

RS FEC 

SFBR-89BDDZ-CS4

0x25 

100GBASE-DR

No

NO FEC 

RS FEC 

MMS1V70-CM

0x26

100GBASE-FR

No

NO FEC 

RS FEC 

QSFP28-FR-C

0x27

100GBASE-LR 

No

NO FEC 

RS FEC 

SPTSBP4LLCDF



Active DME Modules ETH Cables


Byte 192 of Page 0 for sff cables

Name 

Auto Detect FEC

Current Default FEC

Previous Default FEC

P/N - Example of one module

0x1

100G AOC / 25GAUI C2M AOC

Yes

RS FEC

RS FEC


0x2

100GBASE-SR4 / 25GBASE-SR

Yes

RS FEC

RS FEC

MMA2P00-AS

0x3 

100GBASE-LR4

Yes

NO FEC 

RS FEC 

MMA1L10-CR

0x3 

25GBASE-LR 

Yes

RS FEC 

FC FEC

MMA2L20-AR

0x4 

100GBASE-ER4

Yes

NO FEC 

RS FEC 

SPQCEERCDFLM Source Photonics

0x5 

100GBASE-SR10

Yes

NO FEC 

RS FEC 


0x6

100G CWDM4 MSA with FEC

Yes

RS FEC

RS FEC

MMA1L30-CM

0x7

100G PSM4 Parallel SMF

Yes

RS FEC

RS FEC

MMS1C10-CM

0x8

100G ACC / 25GAUI C2M ACC

Yes

RS FEC

RS FEC


0x9 

100G CWDM4 MSA without FEC

Yes

NO FEC 

RS FEC 

LQ210CR-CPA2

0x17

100G CLR4

Yes

RS FEC

RS FEC


0x18 

100G AOC

Yes

NO FEC 

RS FEC 

MFA1A00-C010

0x19 

100G ACC

Yes

NO FEC 

RS FEC 


0x20

100G SWDM4 

Yes

RS FEC

RS FEC

FTLC9152RGPL

0x22 / 0x23 / 0x24

4WDM-10 MSA / 4WDM-20 MSA / 4WDM-40 MSA

Yes

RS FEC

RS FEC




To configure FEC or Speed that is different than the default, you must configure both sides.

The following are examples of when FEC detection capability is available:

  • when a 25G SFP module is connected to card, it will support FEC detection in 25G

  • when a 100G QSFP module is connected to a card, it will support FEC detection in 100G, but not in 50G or 25G


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