软件包: iputils-arping (3:20071127-2ubuntu1)
Original Maintainer (usually from Debian):
- Noah Meyerhans
It should generally not be necessary for users to contact the original maintainer.
Tool to send ARP Requests for an IP address
The standard ping command sends ICMP Echo Requests to an IP address. To do that on an Ethernet-type link, however, the sending node needs to know the MAC address of the destination, so when standard ping fails, you don't really know whether it is the address resolution or the Echo Request that fails.
The arping command only does the ARP part, so it can be useful after a failed ping in figuring out whether it is the resolution or the ICMP Echo that fails. It can do other useful things, too.
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