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From: Peter Jeremy <peter.jeremy@alcatel.com.au>
Subject: Re: Understanding ifconfig output
In-reply-to: <20000221113615.398.qmail@yusufg.portal2.com>; from
 yusufg@outblaze.com on Mon, Feb 21, 2000 at 10:38:13PM +1100
To: Yusuf Goolamabbas <yusufg@outblaze.com>
Cc: freebsd-stable@FreeBSD.ORG, freebsd-net@FreeBSD.ORG
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On 2000-Feb-21 22:38:13 +1100, Yusuf Goolamabbas <yusufg@outblaze.com> wrote:
>does SIMPLEX mean that the card is in half duplex mode,

No. From /usr/include/net/if.h:
#define IFF_SIMPLEX     0x800           /* can't hear own transmissions */

>What is the recommended way to determine link speed from a machine to
>a hub/switch.

With FreeBSD, the `media' line of ifconfig output:
>media: autoselect (100baseTX <full-duplex>) status: active

> (e.g A colo provider claims that there is 100 Mbit card
>in the box and one would want to verify that)

Configure the other end to 100baseTX only and verify the link comes up.

Peter


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