Re: half-duplex on network card.
From: Bill Vermillion (bv_at_wjv.com)
Date: 07/19/04
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Date: Sun, 18 Jul 2004 23:55:01 GMT
In article <c93q8n$1ae5$1@news.hgc.com.hk>,
sam <samwun@hgcbroadband.com> wrote:
>Hi,
>
>I got a 1000base network card installed in freebsd 5.2.1.
>I found that the card is currently enabled by the system as half-duplex,
>isn't it should be full-duplex? and 1000baseTX?
>
>Here is the result of ifconfig -a:
>root@fbsd [11:44am] [/etc/openvpn]# ifconfig -a
>em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> options=3<RXCSUM,TXCSUM>
> inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
> inet6 fe80::20e:cff:fe05:8229%em0 prefixlen 64 scopeid 0x1
> ether 00:0e:0c:05:82:29
> media: Ethernet autoselect (10baseT/UTP <half-duplex>)
> status: active
It is in autoselect mode, so that it negotiates with whatever it is
connected to at the fastest rate and duplex setting they can both
handle.
What is it connected to? A hub? A switch? Another machine with a
cross-overr?.
>I tried to manually configure the file /etc/rc.conf with the following
>ifconfig line:
>ifconfig_em0="inet 192.168.1.1 netmask 255.255.255.0 mediaopt full-duplex"
>
>but this line caused the nic failed to be initialised with the IP address.
>How can I force it to be a 1000base and full-duplex card by the system?
Only if what you are connected to supports that.
-- Bill Vermillion - bv @ wjv . com
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