leroy on Fri, 9 Aug 2002 03:11:16 -0400


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[PLUG] full-duplex nic's


my company has a production server with 3 broadcom 5701 cards in it, but
only two are being used.  for some reason, the two cards don't default to
full duplex mode, so in /etc/modules.conf, i force them into full duplex
mode (yes, the card does support full duplex and it is a recognized module
parameter):

alias eth0 bcm5700
alias eth1 bcm5700
alias eth2 bcm5700
options bcm5700 full_duplex=1

after a quick reboot (yes, i know i can do this without rebooting but i'm 
in new mexico and the box is in philly), eth2 is now in full duplex mode, 
but eth1 is still half duplex (from /var/log/messages):

Aug  9 02:38:42 wsedb01 kernel: bcm5700: eth1 NIC Link is UP, 100 Mbps 
half duplex
Aug  9 02:38:42 wsedb01 kernel: bcm5700: eth2 NIC Link is UP, 100 Mbps 
full duplex

so is this something that is negotiated by the hub/router it's attached to 
or am i missing something in my attempt to force two nic's into full 
duplex mode?  thanks

stephen

-- my name is not leroy

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