Ping question
When pinging the server by IP or hostname and if its not available, getting reply back from the host I am ping from. 'Reply from 10.1.1.10: Destination host unreachable.'
Is this a normal design?
Is this a normal design?
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It's correct, but not because the ping timed out. The ping was never sent because the ARP request did not return an address.
The example IP address is non-routable, so the network assumption is that the server is on the same network as the device that tried to ping. The ping should therefore go to the MAC address. But if the server is actually down, then no MAC address will satisfy the ARP query. The interpretation is essentially that "there is no route available to that address", hence the phrasing "Destination host unreachable."
It can seem a little odd in the wording, but it is essentially 'as designed'. But no "ping" actually was sent. It all happened by the address resolution protocol (ARP).
Tom
The example IP address is non-routable, so the network assumption is that the server is on the same network as the device that tried to ping. The ping should therefore go to the MAC address. But if the server is actually down, then no MAC address will satisfy the ARP query. The interpretation is essentially that "there is no route available to that address", hence the phrasing "Destination host unreachable."
It can seem a little odd in the wording, but it is essentially 'as designed'. But no "ping" actually was sent. It all happened by the address resolution protocol (ARP).
Tom
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