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Date:      Mon, 20 Jul 1998 17:06:56 -0700 (PDT)
From:      Doug White <dwhite@resnet.uoregon.edu>
To:        Russ Panula <rpanula@mplspop1.mpls.uswest.net>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: de1 "no carrier" message
Message-ID:  <Pine.BSF.4.00.9807201703560.16885-100000@resnet.uoregon.edu>
In-Reply-To: <35B3BDF1.9A6C92AE@mplspop1.mpls.uswest.net>

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On Mon, 20 Jul 1998, Russ Panula wrote:

> After a recent reboot (new kernel) on a 2.2.6-STABLE box, my de1 card
> started reporting "no carrier":
> 
> de0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> 	inet 10.0.1.1 netmask 0xffffff00 broadcast 10.0.1.255
> 	ether 00:c0:6d:15:00:71
> 	media: 100baseTX status: active
> de1: flags=c943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,LINK2,MULTICAST>
> mtu 1500
> 	inet 207.109.3.210 netmask -0xffffff00 broadcast 207.109.3.255
> 	ether 00:c0:6d:13:d0:44
> 	media: 100baseTX status: no carrier
               ^^^^^^^^^
Speed was misdetected ....

> de0 is connected to a 100baseTX hub, ep0 is connected to a 10baseT hub,
> and de1 is connected via a crossover cable to a Netspeed ADSL "modem".

I suggest forcing the link speed using the `media' argument to ifconfig.
The de driver and cards get very, very angry if you pull their cable out,
and sometimes will misdetect the link speed.  A command like

ifconfig de1 inet x.y.z.q netmask a.b.c.d media 10BaseT/UTP

should do it, assuming the NetSpeed is a 10mbit device.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major



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