Re: Network setup question again

[cheng@fourier.csl.uiuc.edu]

On Jun 6, Nathan E Norman wrote:
> 
> ps.  Between dmesg, ifconfig, and the proc filesystem you can poke
> around and get a good idea of what Linux thinks is going on, and how
> that meshes with what's supposed to be going on.
>
Thanks for the suggestions. I check with all these commands.
Here is the message I get from those programs. They all seems pretty
well.

dmesg:
  NE*000 ethercard probe at 0x300 : 00 40 05 17 a9 a7
  eth0: NE2000 found at 0x300, using IRQ 3

ifconfig:
  eth0: Link encap 10Mbps Ethernet   HWaddr 00 40 05 17 a9 a7 
        inet addr: 128.174.57.79 Bcast 128.174.255.255 Nmask 255.255.0.0
        UP BROADCASTING RUNNING MULTICAST   MTU: 1500  Metric: 1
        Rx packets:0  errors: 0 drops: 0  overruns: 0
        Tx packets:87 errors: 0 drops: 0  overruns: 0
        Interrupt 3 Base Address 0x300
route:
  Destination   Gateway   Genmask         Flags   Metric  Ref  Use  Iface
  128.174.0.0    *        255.255.0.0     U        0      0    5    eth0
  127.0.0.0      *        255.0.0.0       U        0      0    2    lo
  default       128.174.57.65  0.0.0.0    UG       0      0    9    eth0 

/proc/net/arp:
  IP address   HW type   Flags        HW address     Mask    Device
  128.174.57.65  0x1       0x0    00 00 00 00 00 00     *

The only abnormal thing is that 'Device' in file /proc/net/arp is null. And
when using 'route', it takes a long time to display the third row 'default'.

So, what is the cause for this? Actually, the LAN works all the time. IS
the configuration not correct?

-ctang


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