Change the cable and or port on the switch.
Yang
----- Original Message -----
From: Guolin Cheng <guolin@xxxxxxxxx>
Date: Tue, 28 Sep 2004 10:52:58 -0700
Subject: Problem: Intel 82543 card reports lots of carrier errors
To: fedora-list@xxxxxxxxxx
Hi,
Anyone know why Intel 82543 gigabit cards report lots of carrier
problems? I don't know why Intel 82543 gigabit network card using
external transceiver(reported by ethtool) since it is directly
connected to HP Switch with CAT-6 RJ45 network cables. Any one can
explain where is the external transceiver for the Intel 82543 cards?
I tried to run "ethtool âs eth1 xcvr internal" trying to set its
transreciver to internal(on-board) but the operation fails silently.
Please help.
In contrast, Intel 82540 gigabit cards reports no carrier problems at
all, and use internal transceiver(reported by ethtool).
The following are the output of commands ethtool and ifconfig:
[root@dumbboy root]# ifconfig eth1 | grep carrier
TX packets:56944847 errors:0 dropped:0 overruns:0 carrier:39363496
[root@dumbboy root]# ethtool -S eth1 | grep -E 'carrier|tx_packets'
tx_packets: 57027012
tx_carrier_errors: 39417377
[root@dumbboy root]# ethtool eth1
Settings for eth1:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: externel
Auto-negotiation: on
Supports Wake-on: d
Wake-on: d
Link detected: yes
[root@dumbboy root]#
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