On Wednesday 06 February 2002 04:10 am, you wrote: > One of my boxes on the network is having extreme difficulty in > communicating with the rest of the network. If I do an ifconfig, I see > upwards of half of the packets dropped: > > > eth0 Link encap:Ethernet HWaddr 00:02:E3:05:92:46 > inet addr:10.0.0.1 Bcast:10.0.0.255 Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:1744 errors:967 dropped:0 overruns:0 frame:2462 > TX packets:12380 errors:32 dropped:0 overruns:0 carrier:64 > collisions:0 txqueuelen:100 > RX bytes:288515 (281.7 Kb) TX bytes:16860881 (16.0 Mb) > Interrupt:10 Base address:0x8000 It looks like errors to me <not dropped packets> > > Now the network is just four boxes, no DNS, just host files and static > IP addresses for three plus one laptop that uses DHCP (which isn't the > box that is having problems). My question is: how do I determine if I > have a bad network card/driver versus a bad network configuration. I I would start by checking/replacing the cables. Then check/replace your hub. Maybe use different ports on your hub. My guess is a bad cable. > started digging around with some of the network tools to try to diagnose > the problem but nothing popped up. However, I am network-challenged in > this area and something could be staring me in the face and I wouldn't > know it. If that gives you no relief then I would say try replacing the NIC in the offending box. And pay attention to the other suggestions that are bound to follow.