Joachim wrote:
> Hallo,
> I am wondering if anybody could help me to explain the fifth line in
Lines 3, 5, 6, and 7 all convey the same format (Gateway Address).
> the following routing table:
>
> Network Address Netmask Gateway Address
> 0.0.0.0 0.0.0.0 205.217.146.1
> 127.0.0.0 255.0.0.0 127.0.0.1
> 205.217.146.0 255.255.255.0 205.217.146.200
> 205.217.146.200 255.255.255.255 127.0.0.1
> 205.217.146.255 255.255.255.255 205.217.146.200
> 224.0.0.0 224.0.0.0 205.217.146.200
> 255.255.255.255 255.255.255.255 205.217.146.200
>
> The first line is the default route for everything not mentioned
> elsewhere.
> The second line is the local host.
> The third line is the local network direct connected to the PC.
> The fourth line is the PC itself.
Reached via the loopback interface. Packet NOT required to be placed on
the wire.
> The fifth line is a broadcast address ???
Reached via a connected route. The packet is required to be placed on
the wire, via a specific interface.
> (Means that any broadcasts should be send to 205.217.146.200 ?)
Perhaps this just conveys that the destination is directly reachable by
the host itself (205.217.146.200), without the aid of a router (i.e.: a
connected route).
If you had more than one NIC with an assigned IP address, this might
help convey which NIC to use to get to a specific destination. Although,
that does seem a bit redundant given that there is an "interface" column
in the route table (at least on my host).
> Is that line really needed? When is it needed?
> Is it needed for the arp protocol?
Would be needed for any communication, not just ARP.
>
> Any comments to my question are appreciated.
> Joachim
>
Best Regards,
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