Hi,
I have a situation where I'm trying to determine an IP address from a mac
address on a network that uses a DHCP server. I use the following command:
arp -a | grep $macAddress | awk "{print $2}"
but this is returning multiple addresses. I believe what's happening is that
we're restarting these hosts frequently during testing and the old leases for
the mac address are not up yet and so there are multiple entries in the dhcp
table.
What's the best way to solve this? I need to determine for sure which IP
address is being used. Should I just ping each address that I get or is there a
better way to do this?
-Dan
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