Hi,
we have exactly the same problem with the combination of SYNPROXY and
X520 NICs. We use Dell PowerEdge R420 servers.
CPU: Intel(R) Xeon(R) CPU E5-2430
NIC: Intel Corporation Ethernet 10G 2P X520 Adapter (rev 01)
Kernel: Linux 4.1.13 with in-tree ixgbe 4.0.1-k
One of those servers with
Hi everyone,
I am connecting two boxes using X520-DA2 82599ES 10-Gigabit SFI/SFP+
NICs and the ixgbe
driver in Linux. Those cards have two SFP+ ports. If I connect a Direct
Attach Copper cable, the carrier detection does not work correctly. As
soon as
the device in Linux is up, there is a carrier
>-Original Message-
>From: Peter Schmitt [mailto:p.schmitt...@gmx.net]
>Sent: Tuesday, December 08, 2015 8:02 AM
>To: e1000-devel@lists.sourceforge.net
>Subject: [E1000-devel] IXGBE X520-DA2 82599ES SFP+ DA Is carrier detection
>working?
>
>Hi everyone,
>
>I am connecting two boxes using
Hey Steffen,
Sorry to hear about your system reset problem. Since you're not seeing
anything in the system logs is you thinking that the NIC's are involved due to
the frequency of the failures seems to correspond to amount of system traffic?
I'm asking as in my 7 years of maintaining the
Hi Don,
thank you for the reply.
We've been using the X520 NICs since February 2015 and so far they have
been working fine. A few weeks ago we enabled SYNPROXY and the reboots
started to happen. So, only judging from our own experience, this looks
more like a SYNPROXY problem than an
Also because the problem is maybe related to SYN, maybe trying turning off
flow-director/ATR by doing something like:
ethtool -K ethx ntuple on
-Original Message-
From: Steffen Weber [mailto:steffen.we...@gmail.com]
Sent: Tuesday, December 08, 2015 12:12 PM
To: Skidmore, Donald C
This brings up an interesting. It would be nice to see the ethtool stats right
before the reset. It might be interesting to grab those stats on a system that
has been running for a few days, that you "expect" will fail in the future.
> -Original Message-
> From: Brandeburg, Jesse
>
Hey Steffen,
I was only suggesting the OoT (Source Forge) driver as a way to possibly
isolate a driver version. We attempt to keep it up to date with what we are
adding to net-next, but how up to date can depend on a lot of other factors.
Its primary use is allowing new drivers to run on
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