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Rarp Utility
Is there a utility for NT/win95 that given a MAC address, will return the ip address??
ASKER
Adjusted points to 195
Let me know if you find one!
rasta11@voicenet.com
rasta11@voicenet.com
If you're using DHCP, you can look it up in the active leases - double click on the ip number.
Failing that from the command line type:
ping 192.168.1.4 (Or whatever number you're intersted in)
This will fore an ARP resolution
and then use
arp -a 192.168.1.4 (Or the adress you want)
To display the ARP table
This could easily be turned into a script
or even a GUI tool - Mail me if you would like me to write you one.
Failing that from the command line type:
ping 192.168.1.4 (Or whatever number you're intersted in)
This will fore an ARP resolution
and then use
arp -a 192.168.1.4 (Or the adress you want)
To display the ARP table
This could easily be turned into a script
or even a GUI tool - Mail me if you would like me to write you one.
ASKER
I understand this answer, but it requires that the ip address be known ahead of time. I want to be able to find the ip address using the MAC address only
OK, I read the question around the wrong way.
Are you looking for a RARP server, which is basically supplies an IP number from a MAC->IP number table set up manually, or are
you looking for a diagnostic tool to determine the IP number of a known ethernet card.
If it's the second case, then I could write you a script along the lines of the example I gave you before, simply by forcing resolution of a range of IP numbers, and then looking at the ARP table to see which one matches the MAC address.
Are you looking for a RARP server, which is basically supplies an IP number from a MAC->IP number table set up manually, or are
you looking for a diagnostic tool to determine the IP number of a known ethernet card.
If it's the second case, then I could write you a script along the lines of the example I gave you before, simply by forcing resolution of a range of IP numbers, and then looking at the ARP table to see which one matches the MAC address.
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Just 'ping' the network broadcast address (xxx.xxx.xxx.255 on a class C net), then type "arp -a". This will give you a list of all the IP addresses that responded, along with their MAC address.
You could redirect this to a file and use an editor to sort, search, etc. I do this all the time when someone assigns a duplicate IP address to a system on my net.
You could redirect this to a file and use an editor to sort, search, etc. I do this all the time when someone assigns a duplicate IP address to a system on my net.
ASKER