[K12OSN] hub vs. switch at eth0
Petre Scheie
petre at maltzen.net
Mon Aug 29 21:34:10 UTC 2005
Perhaps you already tried this, but have you edited the /etc/modules.conf file to
reverse the card-to-ethernet-port assignments? In other words, what happens if you set
the onboard NIC to be eth0 again?
Petre
mo_luscre wrote:
> This summer I did a completely new install on a server and lab that has been
> working fine for last 2 1/2 years. I originally had the built in NIC port of
> this Dell 600 Server as eth0. On the new installation it insisted on reversing
> the network cards, so now eth0 is a PCI Realtek NIC. OK, I thought I could
> live with the change, but I am having a baffling problem. All original
> hardware- cabling Amer.com switch and terminals are still in place. Wehn I
> switched the network cables on the server to allow for the changed eth0 the
> terminals could not connect. After many attempts at chaning NIC assignments in
> Fedeora still no connection. By accident I found if I insert a 10 based hub
> (not a switch) in the line between eth0 and the labs 24 port Amer.com switch
> everything works fine, but if I replace the hub with a 100 Switch no go! The
> only way the terminals connect is if there is the hub in the line (it only
> works when I use to standard ports and will not work if I use uplink port. I
> have also tried inserting a crossover cable in place of the hub but no go. I
> have tried a number of switches to check for a bad switch and still no go.
>
> I am stumped
>
> Anthony Luscre
> Technology Director
> Mogadore Local Schools
>
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