Hi Chuck,
from the ifconfig output on delta I can see that you have no IP address
defined for delta's eth0.
bye
Peter
----- Original Message -----
From: "Chuck Martin" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, July 21, 2000 1:55 AM
Subject: Notebook ethernet problems
> I have two older notebook computers (486's) I've been trying to network
> together, and can't seem to get it to work for some reason, and I was
> wondering if anyone could tell me what I'm doing wrong.
>
> Here's what I'm doing. I recently picked up two used IBM ethernet
> cards (pcmcia - cardmgr reports them as "IBM Credit Card Ethernet"
> in /var/log/messages). These have BNC connectors on them. I also
> picked up two BNC tee connectors, two terminators, two BNC to RJ11
> adapters, and a 2' cord with an RJ11 plug on each end. I hook
> everything up in the obvious way, and then proceed as follows (I
> should mention that the hostnames for the two computers are gamma
> and delta; gamma is running Slackware 7.1 and delta is running Slackware
> 4.0).
>
> First, I put the addresses of gamma (192.168.0.3) and delta (192.168.0.4)
> in the /etc/hosts file of each computer. Then, on gamma, I do this:
>
> |root@gamma:~# ifconfig eth0 gamma
> |root@gamma:~# route add -host delta eth0
> |root@gamma:~# ifconfig
> |eth0 Link encap:Ethernet HWaddr 00:06:29:14:42:1A
> | inet addr:192.168.0.3 Bcast:192.168.0.255 Mask:255.255.255.0
> | UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> | RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> | TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> | collisions:0 txqueuelen:100
> | Interrupt:3 Base address:0x300 Memory:c00d1000-c00d5000
> |
> |lo Link encap:Local Loopback
> | inet addr:127.0.0.1 Mask:255.0.0.0
> | UP LOOPBACK RUNNING MTU:3924 Metric:1
> | RX packets:18 errors:0 dropped:0 overruns:0 frame:0
> | TX packets:18 errors:0 dropped:0 overruns:0 carrier:0
> | collisions:0 txqueuelen:0
> |
> |root@gamma:~# route -n
> |Kernel IP routing table
> |Destination Gateway Genmask Flags Metric Ref Use
Iface
> |192.168.0.4 0.0.0.0 255.255.255.255 UH 0 0 0
eth0
> |192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0
eth0
> |127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0
lo
>
> Then, on delta, I do this:
>
> |root@delta:~# ifconfig eth0 delta
> |root@delta:~# route add -host gamma eth0
> |root@delta:~# ifconfig
> |eth0 Link encap:Ethernet HWaddr 00:04:AC:90:52:E9
> | UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> | RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> | TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> | collisions:0 txqueuelen:100
> | Interrupt:3 Base address:0x300 Memory:c00d1000-c00d5000
> |
> |lo Link encap:Local Loopback
> | inet addr:127.0.0.1 Mask:255.0.0.0
> | UP LOOPBACK RUNNING MTU:3924 Metric:1
> | RX packets:11121 errors:0 dropped:0 overruns:0 frame:0
> | TX packets:11121 errors:0 dropped:0 overruns:0 carrier:0
> | collisions:0 txqueuelen:0
> |
> |root@delta:~# route -n
> |Kernel IP routing table
> |Destination Gateway Genmask Flags Metric Ref Use
Iface
> |192.168.0.3 0.0.0.0 255.255.255.255 UH 0 0 0
eth0
> |127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0
lo
>
> So far, everything looks good, as far as I can tell, but if I try to
> ping either machine from the other, I get nothing back. I also can't
> telnet or ftp from one machine to the other. I might add that I've
> successfully done all of these things with pppd and a null modem through
> the serial ports, but I'd like a faster connection.
>
> I've tried a few variations of the above, setting a default route and
> gateway, for example, but it seems that the above ought to work as is.
> I have tcpdump on gamma, but not on delta, and when I run it, I can see
> outgoing packets, but not incoming packets. The LEDs on both interfaces
> flash rhythmically when I run ping from either machine, so the 2' cord
> between them must be good, but I don't know what's coming across because
> I can't see anything with tcpdump. Am I missing something? Any help
> would be appreciated.
>
> Chuck
>
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