Network Intel X520-SR2 stopping

Wed Jul 2 17:17:21 UTC 2014

It depends on the spec of the XFP module, as well as the cabling. The spec of both types of modules needs to match. I asked the OP to test B2B to eliminate the XFP as the problem.  If you have any suggestions, I'd be happy to hear them. 

Jeff

-----Original Message-----
From: sthaug at nethelp.no [mailto:sthaug at nethelp.no] 
Sent: Wednesday, July 02, 2014 10:08 AM
To: Pieper, Jeffrey E
Cc: gondim at bsdinfo.com.br; freebsd-net at freebsd.org
Subject: Re: Network Intel X520-SR2 stopping

> Is there any way that you can try a reproduce this  using a B2B configuration, or something that doesn't use XFP as a link partner? I'm thinking that you are correct regarding an incompatibility issue between SFP+ and XFP.

Why do you believe that? The optical signals are the same for SFP+
and XFP.

We have lots of 10G SFP+ / XFP links in production. It just works...

Steinar Haug, Nethelp consulting, sthaug at nethelp.no