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Update wording of the one message that was in the DIAGNOSTICS section.

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Add three other common messages.

This should be in 2.2 to go with the netinet/if_ether.c rewording.
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Bill Fenner 1996-11-17 23:25:17 +00:00
parent cd7d667682
commit 31a322801a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=19839
1 changed files with 19 additions and 1 deletions
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usr.sbin/arp/arp.4
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@ -98,11 +98,29 @@ This is no longer supported.
ARP watches passively for hosts impersonating the local host (i.e. a host
which responds to an ARP mapping request for the local host's address).
.Sh DIAGNOSTICS
.Em "duplicate IP address %x!! sent from ethernet address: %x:%x:%x:%x:%x:%x."
.Em "arp: %x:%x:%x:%x:%x:%x is using my IP address %d.%d.%d.%d!" :
ARP has discovered another host on the local network which responds to
mapping requests for its own Internet address with a different Ethernet
address, generally indicating that two hosts are attempting to use the
same Internet address.
.Pp
.Em "arp: ether address is broadcast for IP address %d.%d.%d.%d!" :
ARP requested information for a host, and received an answer indicating
that the host's ethernet address is the ethernet broadcast address.
This indicates a misconfigured or broken device.
.Pp
.Em "arp: %d.%d.%d.%d moved from %x:%x:%x:%x:%x:%x to %x:%x:%x:%x:%x:%x" :
ARP had a cached value for the ethernet address of the referenced host,
but received a reply indicating that the host is at a new address. This
can happen normally when host hardware addresses change, or when a mobile
node arrives or leaves the local subnet. It can also indicate a problem
with proxy ARP.
.Pp
.Em "arpresolve: can't allocate llinfo for %d.%d.%d.%d" :
The route for the referenced host points to a device upon which ARP is
required, but ARP was unable to allocate a routing table entry in which
to store the host's MAC address. This usually points to a misconfigured
routing table. It can also occur if the kernel cannot allocate memory.
.Sh SEE ALSO
.Xr inet 4 ,
.Xr route 4 ,