Jacques Du Pasquier wrote:
>
> Hello there,
>
> I am trying to setup a 2 machines TCP/IP LAN. I have read carefully
> the NET-3 HOWTO and the Intranet HOWTO (among others), and I think I
> followed all indications. It doesn't work, I have no clue where to
> investigate further the problem, so let me say a bit more in case some
> good soul in here could suggest me something.
>
> As you'll see below, it seems that about EVERYTHING works (including
> the hardware), except than I cannot even ping a machine from the other
> :-). If someone could suggest me further tests to help me identify the
> problem, I'd be grateful.
>
> Set-up:
>
> - one machine is named "phat" (IP 192.168.1.1), has RedHat 5.0
> - the other is named "admin" (IP 192.168.1.2), has Win95 with MS-TCP/IP
> - local domain name is corcise
> - netmask in both machines is 255.255.255.0
>
> What doesn't work:
>
> - I cannot successfully ping phat from admin or admin from phat (and
> so no other networking works either).
>
> What does work:
>
> - DNS looks OK, on both machines the name addres is resolved into the
> right IP address (phat=162.198.1.1, admin=162.198.1.2); I've set a
> netmask of 255.255.255.0 on both machines.
Is this really DNS or do you have host files set up?
>
> - the hardware looks OK, as the LAN does work if I boot phat in Win95
> (NetBeui LAN);
>
> - I can ping localhost fine on both machines
>
> - when I ping phat on admin, ping fails (times out), but the phat LAN
> adapter led blinks in rythm with the ping packets sent (also true in
> the other way, ie when I ping admin from phat).
>
> - on phat, some command (I've forgotten which one), that reports bytes
> sent to and received from an interface, reports the bytes sent when
> I ping admin from phat; and the bytes received when I ping phat from
> admin
>
> - also note that I did manage to make the link work some months ago
> with the same hardware (some guru no more available made it work
> using forgotten incantations).
>
> - I connect to the INternet fine with both machines (each has its modem)
>
> Some outputs on phat (the Linux box):
>
> /home/jacques 1010 # ping admin
> PING admin.corcise (192.168.1.2): 56 data bytes
> [hangs; then when interrupted reports:]
> --- admin.corcise ping statistics ---
> 9 packets transmitted, 0 packets received, 100% packet loss
try to ping 192.168.1.2
>
> /home/jacques 1012 # ifconfig
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Bcast:127.255.255.255 Mask:255.0.0.0
> UP BROADCAST LOOPBACK RUNNING MTU:3584 Metric:1
> RX packets:389 errors:0 dropped:0 overruns:0
> TX packets:389 errors:0 dropped:0 overruns:0
>
> eth0 Link encap:Ethernet HWaddr 00:00:E8:DE:CA:BB
> inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:198 errors:0 dropped:0 overruns:0
> TX packets:79 errors:0 dropped:0 overruns:0
> Interrupt:11 Base address:0x6500
Interesting base address (mine's 0x300 I believe)
>
> /home/jacques 1013 # route
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use Iface
> 192.168.1.0 phat.corcise 255.255.255.0 UG 0 0 4 eth0
> 192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
> 127.0.0.0 * 255.0.0.0 U 0 0 7 lo
>
> Don't hesitate to ask me for more information in case you think it
> could be useful.
>
> Any help appreciated,
>
> Jacques Du Pasquier
Take a look here, I have collected a bunch of Linux networking info and
links;
http://www.on-net.net/~jsprag/linuxnet.htm
