Jeff Sapp wrote:
>
> Hey all, I have a strange problem I can't seem to figure out.
>
> I have a laptop running Redhat 6.0, 2.2.13, with the latest pcmcia
> support.
> Its using a 3com 3ccFEM656 ethernet pcmcia card.
>
> Ok, The laptop is on one of our subnets *.*.97.*, the laptop's ip is
> *.*.97.211,
> the default router is at *.*.97.1, my computer is at *.*.97.210.
>
> I can bring the ethernet card up correctly and it seems to work fine. I
> can
> ping any address on the *.*.97.* subnet, including the default router
> and my computer.
>
> I added the default route for the gateway, but I can't seem to get the
> packets to
> go beyond the router. Here are the routes I have.
>
> [jas@laptop jas]$ /sbin/route
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use
> Iface
> *.*.97.0 * 255.255.255.0 U 0 0 0
> eth0
> 127.0.0.0 * 255.0.0.0 U 0 0 0
> lo
> default *.*.97.1 0.0.0.0 UG 0 0 0
> eth0
Added weirdness, I noticed that I am in fact not using a nameserver on
the *.*.97.0
subnet, but I'm using one on the *.*.98.0 subnet. I can also make
connections of
other types (tcp, icmp) to the nameserver.
>
> I'm pretty sure the routes are correct, because when I traceroute
> anything not
> on the same subnet, it heads toward the router. It does manage to do DNS
> lookups
> because I've got a nameserver on the same subnet. This routing table is
> identical
> to the one on my computer, which is also running Redhat 6.0, 2.2.13.
>
> Here is a list of things I'm trying to keep in mind.
>
> A. The router isn't mine, therefore, I can't touch it. But I shouldn't
> need to because
> it works fine with my computer. And the router isn't filtering
> packets, because I tried
> using my computer's ip on the laptop. Which didn't help at all.
>
> B. The network is all switched, so tcpdump doesn't help me.
>
> C. I guess it might be something in the sketchy support for the card I'm
> using, but
> I thought I'd see if any here could help me before I bother the
> grumpy people who
> are developing pcmcia support. ;)
>
> Thanks in advanced,
>
> Jeff
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