[Ilugc] Network Problem with SystemRescueCD
- From: muneerch@xxxxxxxxx (Muneer)
- Date: Thu Oct 18 16:36:17 2007
On 10/18/07, Mohan R <mohan34u@xxxxxxxxx> wrote:
could you tell me what is the use of arp?
There will be a hardware address (MAC) associated with a NIC. For the
NIC to accept the packet, the packet should have its MAC address in
ethernet header. So the sender will try to findout the hardware
address of the destination IP using the ARP packet. Basically an ARP
packet will be asking the hardware address of the NIC which uses a
particular IP address.
So here, before sending the ping packet, srcd will send an ARP packet
to find out the MAC of 192.168.1.1 and ping packet will be sent only
if ARP is successfully replied by the destination. That is why I asked
you to dump the output of arp command.
But the output provided by you looks like it is before issuing the
ping command. If it is so, please issue a ping command and let it
fail, after that issue arp command to see whether ARP is resolved.
and why u suggested not to use 192.168.1.3? because I booted that system
with srcd not with the windows.
I thought windows is running on different machine. If so, an IP
conflict will occure which will result in inconsistent output.
By the way have you checked the cable? are you able to ping using the
same cable when booted on Windows?
If the ARP is not resolved and the cable you are using is perfectly
OK, then I think there is some problem with the NIC support in your
Linux.
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