Date: Sun, 11 Oct 2015 14:37:37 +0100 From: Matthew Seaman <matthew@FreeBSD.org> To: freebsd-questions@freebsd.org Subject: Re: Ethernet Errors Message-ID: <561A6621.6030105@FreeBSD.org> In-Reply-To: <C04A0076-C7CF-4D42-9BBD-546363CD3E19@lafn.org> References: <C04A0076-C7CF-4D42-9BBD-546363CD3E19@lafn.org>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --hm2hT6LDD2XRtLHXGe3ibkNaa6sIc72eC Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 11/10/2015 11:14, Doug Hardie wrote: > I have 4 servers and a couple other devices on two ethernet LANS. > There is no routing between the LANs. One is for internet > connections and the other for purely internal traffic. Both the LANs > are 100 Mbps switches (different models). One of the servers is > showing ethernet errors on both interfaces. One interface has more > input errors than output, and the other is reverse. None of the > other servers or devices show any errors ever. It seems a bit > strange that two switches would have errors on one port or that one > server would have errors on two different NICs (different > manufacturers) starting at about the same time. The errors do > continue to build up, but very slowly. This server does see quite a > bit of traffic, but its not as much as it used to be when there were > no errors. I am at a loss to explain what is going on or where the > problem might be. Any ideas? Unfortunately these servers are a 3 > hour drive away at 1 AM. It=E2=80=99s considerably longer during the d= ay as > I have to drive through Los Angeles. Errors in 'netstat -i' output are frequently due to the cabling connected to that network port. The cables are also about the cheapest components that could be affected. I've seen this sort of thing happen when an ethernet cable gets kinked, when the ethernet plugs aren't properly pushed home or even when it is cable-tied in place too tightly. Get that checked out and maybe try swapping out ethernet cables before attempting any more expensive repairs -- that should be something you can get your colo people to look at without you needing to go there in person. Cheers, Matthew --hm2hT6LDD2XRtLHXGe3ibkNaa6sIc72eC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2 iQJ8BAEBCgBmBQJWGmYnXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQ2NTNBNjhCOTEzQTRFNkNGM0UxRTEzMjZC QjIzQUY1MThFMUE0MDEzAAoJELsjr1GOGkAT67cQAKFdCICYzqEg8dclnRBCm6Xr XKM3pr6CJjIneTz16xSAlnjtHQjcemfzdUg1yG1X2xkqCoq99iRtRGoT2+/NMRJA /7B3enYM9aY+fBW0JaHOKfWIpomaKbynSDml7bWg2DXgF3G8kk34o06nv5oRvMeE XmwQJnQwH4K2ghs0RIuxtl8My7Qs53mOeLBuUAF6Pjj1RgSQ7ewm9Ln6Ei+kW0yb t/8xcKCOIBwSYijiKz43IAtYAeCZ63QYG0iWmJVG16/DYULNadPIBzECIugWklWw W0EwgiIxZj450hz5L4ChSow1VIy6qBUvGw4lMvOBJAPBdqQELxhErjUBnRrjJ2dX ggRAQfksN8xtWdES2/PJjJmJVOHlWV0PPj4HkwMfWsbIKThB4n0/Rhyh/YoFqtSb uo7pjER49TKTjxUQjsfjJGMT9PssrvRGmDgsKge76RzxzDIZdFZCA187v/atS2Mg +siWcE8y6Zx22YqLHBrIdPgDG+gr2XH8oKfI0pzgKvVX/e+iJGa7L9UwRzAUl02R OZ4Ng55M4Euw596NBONknOVkuR2voeuMmizphDduyI62Cg88lP9TUXTiVBSR4cPd THNZQdZoej5ufAATcr5SBrh71HV4WvwwFLObvi5Drz3FY7fNGR60cym0AwFWI5Kk yFTef7wTjjhGG5GquLfv =aml7 -----END PGP SIGNATURE----- --hm2hT6LDD2XRtLHXGe3ibkNaa6sIc72eC--
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