Hello everybody,
I've trying quite successfully to turn an old computer
(Pentium 150 Mhz / 48 MB of RAM) of mine into a router
for my home network. This computer has an add on USB
PCI card on which is connected my USB modem (Sagem
[EMAIL PROTECTED] 800) and a PCI Realtek 8139 Ethernet board for
the connection to the home lan. My distribution runs
out of a floppy based on kernel 2.4.25, uclibc
0.9.24, busybox 1.00 pre 7, eagle modem driver 1.9.4,
dnsmasq 2.2 and iptables 1.2.9.
Everything works fine for normal web browsing or email
access but big download always kill my internet
connection after a while : sometimes I can download
400 Mb in a row before it dies. The symptom is that
the Internet is unreachable but there is not a single
error message in the system logs.
In this case, the only solution is to perform a
"ifconfig eth1 down ; udhcpc -i eth1" on the router
and the connection is back to life.
To eliminate problems, I have replaced my old PC by my
brand new laptop : in this case, everything works fine
without a single interruption of service. My
conclusion is that my software configuration is ok, my
modem is ok and my modem driver is ok.
Using 'top', I see on my old PC that the memory
consumption is constant(stable 12MB) and that
processor load does not exceed 20%. So, there is no
memory leak and the processor is powerfull enough.
Still, it is the Internet/USB side that is causing me
problems : thus I am starting to suspect my USB PCI
board which is an inexpensive USB 2 PCI with 5 ports.
It's name is SNX 1074NC and it contains one NEC Corp /
USB 2.0 Host Controller (1033:00e0 rev 4, latency
128) and 2 NEC Corp / USB Host Controller (1033:0035
rev 67, latency 32).
My startup sequence is the following :
modprobe ehci-hcd
modprobe usb-ohci
mount -t usbdevfs /proc/bus/usb
modprobe eagle-usb
eaglectrl -w
udhcpc -i eth1
....
Is there something specific I should do about my
hardware ? I've really been investigating on that one
and have no more clues. So any idea is more than
welcome.
Many thanks in advance.
Sorry for the long mail.
TooToon.
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