Date: Thu, 03 Aug 2017 07:49:05 -0400 From: Ernie Luzar <luzar722@gmail.com> To: Tim Daneliuk <tundra@tundraware.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Adapter em0 link state changing down/up on 11.1 Message-ID: <59830DB1.2070008@gmail.com> In-Reply-To: <24d2160d-b414-7194-d512-79dadc087640@tundraware.com> References: <59821410.2060309@gmail.com> <24d2160d-b414-7194-d512-79dadc087640@tundraware.com>
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Tim Daneliuk wrote: > On 08/02/2017 01:04 PM, Ernie Luzar wrote: >> Hello List; >> >> Running 11.1 and em0 is a Intel Pro/1000. >> I keep getting these messages >> Kernel: em0: Link state changed to Down >> Kernel: em0: Link state changed to Up >> >> This happens 3 to 8 times during a 24 hour period. >> em0 is connected to the public internet and this down/up cycle >> disconnects all browser connections that are active. >> >> What can I do to fix this? > > I seem to recall seeing this same problem on a 9.x or 10.x system. In > my case the fix was to replace a failed component. For the life of > me I cannot recall whether it was the NIC, the cable, or the switch. As > a first step, at least, I'd swap cables. If that doesn't fix it, move > it to a different switch port - or better still, a different switch > entirely. > For the archive record I replaced the cable between the gateway server and the Time Warner cable modem and the down/up messages have not happened in the last 24 hours.
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