Ray Olszewski wrote:
>
> Hard to pinpoint a problem from what you've said. But here are a few basics
> to check out.
>
> 1. Do you have an IRQ conflict. (This can cause packets to be sent but not
> received.) Check /proc/interrupts and make sure the NIC is where you think
> it should be.
>
eth0= irq 10, pretty sure nothing else is using 10.
> 2. Does ifconfig succeed? (Probably, if you see the hub lights flashing when
> you try to ping.) To be sure, run ifconfig in probe mode (that is, whthout
> any arguments) and see if the results look right. Does each eth0 have the
> right broadcast address (I can't remember the default if you don't specify
> it, and the arp request needs a working broadcast address).
yes it does
>
> 3. Might you have a routing problem? (Again, probably not, if the lights
> flash.) To be sure, check the output of "route -n".
>
> 4. Might you have a kernel problem? Can each machine successfully ping
> localhost?
>
yes they can
> 5. After you try to ping, what does /proc/net/arp show about the destination
> machine? Does its IP address have an associated MAC (Ethernet) address, or
> is the entry all 0s?
The interesting one,
IP address HW type Flags HW address Mask
Device
192.168.1.2 0x1 0x2 00:20:AE:E0:47:70 *
eth0
>
> Hope this gives you some helpful ideas. BTW, if you post again, mention the
> basics of your setup - hardware, Linux distribution and version, and kernel
> version. For now, good luck.
Slack 3.2 (old i know)
kernel 2.2.4
p 133 48 ram,
3c509b ethernet cards
>
> At 06:12 PM 4/10/99 -0500, Andrew R. Brink wrote:
> >Hi,
> >I've got my network cards (3c509b) setup on 2 machines. But they cant
> >ping each other?
> >
> >Here's the setup.
> >
> >machine 1 ---- 3com hub ----- machine 2
> >
> >machine 1 : ifconfig eth0 192.168.1.1 up
> > route add -net 192.168.1.0 netmask 255.255.255.0 eth0
> >
> >machine 2 : ifconfig eth0 192.168.1.2 up
> > route add -net 192.168.1.0 netmask 255.255.255.0 eth0
> >
> >What have I missed in my configuration? Why can't they ping each other?
> >
> >I'm pretty sure that the cables are working because when the machines
> >try to ping each other, the packet light on my hub flashes.
>
> ------------------------------------"Never tell me the odds!"---
> Ray Olszewski -- Han Solo
> 762 Garland Drive
> Palo Alto, CA 94303-3603
> 650.328.4219 voice [EMAIL PROTECTED]
> ----------------------------------------------------------------
