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nud_noarp
2007 Dec 31
0
ip neigh show and NUD_NOARP state - is it possible ?
Hello,
I know that there are devices which are not working with arp. For example,
the loopback device.
I was wondering whether it is possible to create neighbours in a
NUD_NOARP state; so that "ip neigh show"
will show such neighbours where their state is NUD_ARP.
I made some tests with the loopback device , but could not find such a
way to cause it
to appear as NUD_NOARP.
Also if I ping a (nonexisting) multicast address (like 224.0.0.0) I
don''t see it in
"ip neigh show" (but I see it in the routing cache).
Could it be done ? (maybe with...