Greetings all,
How would I go about finding the MAC address of a given ip address,
from a remote computer. (ie: I cant physically get to the machine to
do a ipconfig but must have the mac addy.)
by Neil Wils » Wed, 29 Dec 1999 04:00:00
How would I go about finding the MAC address of a given ip address,
from a remote computer. (ie: I cant physically get to the machine to
do a ipconfig but must have the mac addy.)
by Peter Edd » Wed, 29 Dec 1999 04:00:00
If the machine's on your local net, you can use arp:
arp | grep machinename
Otherwise, I don't know
by epadi » Wed, 29 Dec 1999 04:00:00
tcpdump -e src <IP address>
This should show you link header infro for all packets coming from the
<ip address>
> If the machine's on your local net, you can use arp:
> arp | grep machinename
> Otherwise, I don't know
> > How would I go about finding the MAC address of a given ip address,
> > from a remote computer. (ie: I cant physically get to the machine to
> > do a ipconfig but must have the mac addy.)
1. Determining IP address from MAC address
Hi,
I have a MAC address for a given system and need to be able to
programatically determine it's IP address for use with a TCP-IP based
application. Clearly, the ip address might be in the arp table for ced
host but the problem occurs when it is not. The options as I see it
are
1) broadcast ping (programmatically horrible as every host on the
network will respond)
2) inverse arp lookup
My questions are:
1) Does linux support the inverse arp protocol, as various resources
I've seen indicate it is primarily used for frame relay? If so could
you direct me to the appropriate resources as I've been unable to
determine if linux supports this.
2) What other methods could I use to obtain this information?
Regards
Ian Neal
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