Network Problems (HLFS build 20080328)

Gilles Espinasse g.esp at free.fr
Mon Jun 30 05:45:16 PDT 2008


Selon Mwanguhya Daniel Murungi <dmurungi at dicts.mak.ac.ug>:

> I built an HLFS system for use as our Faculty firewall. The machine (Tyan
> motherboard) has 3 network cards, and 1 GB of RAM. We have two networks (NOC
> and students). When I connect the NOC network (less than 50 users - eth1),
> everything is fine. When I connect the student's network (> 500 users -eth2)
> the machine freezes until I remove the network cable from the Student's
> network.
>
> When I ran my LFS distro on the same machine, both networks are OK and can
> access the Internet. I have looked at the interrupts and ensured each
> network interface has a separate IRQ but I still face the same problem. (I
> also enabled TCP congestion control in the kernel.) Any ideas will be
> appreciated!
>
> Daniel
>
Are the three NIC with same hardware?
If not, if you switch the two networks, what happen?

Wich network driver?  with NAPI?
Wich kernel? with acpi enabled?


Gilles



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