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Bug #15275

closed

56 GbE on Mellanox ConnectX-3 cards not functioning properly

Added by Piotr Oleszkiewicz over 1 year ago. Updated over 1 year ago.

Status:
Needs Patch
Priority:
Normal
Assignee:
-
Category:
FreeBSD
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Default
Affected Version:
2.7.x
Affected Architecture:
amd64

Description

x86 server, pfSense 2.7.2, Mellanox ConnectX-3 NIC

Connecting to Mellanox 6036G switch over original Mellanox DAC cable

Card works properly when port is configured on switch as 40 GbE, when configuring 56 GbE, the port connects, however it fails to send any traffic.

Also LAGG connects and enters COLLECTING, DISTRIBUTING state, tcpdump sees traffic on both mlxen interfaces and lagg0 interface.

The same cards/cables/switches/ports work normally in 56 GbE mode with commodity linux so this is not a hardware problem of any kind.

Probably when card autonegotiates 56 GbE mode pfSense does not consider it connected?

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 #1

Updated by Jim Pingle over 1 year ago

  • Category changed from Interfaces to FreeBSD
  • Status changed from New to Needs Patch

That would be up to FreeBSD to add support for those cards/modes - If you try them on a stock FreeBSD 14 installation (or 15-current) and they still do not work, then report it upstream to FreeBSD.

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