Re: [PATCH] ixgbe: Manual AN-37 for troublesome link partners for X550 SFI

[Andrew Lunn]

> It turns out that the patch works fine for the specific issue it's trying to address (Juniper switch), 
> but for (seemingly all) other devices it breaks the autonegotiation.

So it sounds like you need to figure out the nitty-gritty details of
what is going on with the Juniper switch. Once you understand that,
you might be able to find a workaround which works for all systems.

    Andrew