Troubles Running Ethernet using a 3com 3c509 and a d-link 620

Troubles Running Ethernet using a 3com 3c509 and a d-link 620

Post by Russell Ochoc » Tue, 29 Nov 1994 01:51:16



I'm having some troubles setting up an Ethernet connection between two
machines.  The cards are recognized by the kernel.  They get configured
with ifconfig & I've set up the route table.  But, when I ping the other
machine, I get 100% packet loss.  Cat /proc/net/dev shows some packets
sent, but zero for received, error, etc.  Repeated the process on the
other machine, same result.

I am running Linux 1.1.62 on both machines.  I have a 3c509 coax card in
my desktop machine and a d-link 620 pocket adaptor in my portable.

I've tried running the 3c509 at different I/O addresses.  No difference.

Both cards initialize okay.  Ifconfig & route report the following on the
desktop machine:

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:2000  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0
          TX packets:0 errors:0 dropped:0 overruns:0

eth0      Link encap:10Mbps Ethernet  HWaddr 00:20:AF:15:17:26
          inet addr:200.120.86.1  Bcast:200.120.86.255  Mask:255.255.255.0
          UP BROADCAST RUNNING  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0
          TX packets:1 errors:0 dropped:0 overruns:0
          Interrupt:10 Base address:0x230

Kernel routing table
Destination     Gateway         Genmask         Flags MSS    Window Use Iface
localhost       *               255.255.255.255 UH    1936   0        0 lo
kynesnet        *               255.255.255.0   U     1436   0        1 eth0

And on the portable.....

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:2000  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0
          TX packets:0 errors:0 dropped:0 overruns:0

eth0      Link encap:10Mbps Ethernet  HWaddr 00:80:C8:73:59:2A
          inet addr:200.120.86.2  Bcast:200.120.86.255  Mask:255.255.255.0
          UP BROADCAST RUNNING  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0
          TX packets:1 errors:0 dropped:0 overruns:0
          Interrupt:7 Base address:0x378

Kernel routing table
Destination     Gateway         Genmask         Flags MSS    Window Use Iface
localhost       *               255.255.255.255 UH    1936   0        0 lo
kynesnet        *               255.255.255.0   U     1436   0        1 eth0

I've run the DOS-based diagnostic tests that came with each card.  Both
report that everything is okay.

I don't get any error messages.  My problem is packets are never received by
either machine.  No errors or collisions, nothing.  Does that mean my problem
is in the cabling?

I've got T connectors plugged into each machine with 25' of RG58 cable
between them with 50 ohm terminators plugged into the unused side of
each T.

Any suggestions on what is the source of my problem?  Software?  The cards?
The cabling?
--
______________________________________________________________________________
|  Russell Ochocki        |     Where there's a will....

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

 
 
 

1. Ethernet driver for D-Link DE-620?

Forgive me if this is the wrong place to post this, but I can't find any
info on this in the FAQs and HOWTOs I've seen.

I've got Linux (Slackware 2.0.0, with linux 1.0.9 kernel) on a laptop system,
and I'd like to get network support set up on it.  We've been using the
D-Link DE-620 Pocket LAN Adaptors for our laptops, and they work fine under
PC-NFS, but Linux doesn't seem to support them.  The Ethernet HOWTO that
comes with Slackware indicates that support for the DE-600 is there, but
that so far nobody had provided the info on the 620 they need to write the
driver for it.

Of course, this was a while ago, so I'm hoping that the situation has
changed by now.  Does anyone know if the 620 is now supported, and if so,
where the driver can be obtained?  (Preferably, I'd like a driver that would
work in my 1.0.9 kernel, since I don't want to have to fetch all the source
for a newer kernel, and mess with a lot of other changes.)

Please e-mail me, and I'll post a summary of relevant replies.  Thanks.

--


University of Manitoba                  Phone: (204)474-8161 (or Intercom 32)
Winnipeg, MB, CANADA  R3T 2N2           Fax:   (204)269-9178
     "The earth is like a tiny grain of sand, only much, much heavier."

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