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authorbms <bms@FreeBSD.org>2003-10-03 01:15:40 +0000
committerbms <bms@FreeBSD.org>2003-10-03 01:15:40 +0000
commit15fe99c2f8855cd0ede4b25e338f8132e6e386ba (patch)
tree090c0e8ce9b73a86c571e3cf4f4dcccce85ba72c /usr.sbin/arp/arp.4
parent2f3f07c40c0a72d8f1d7fc2471e0d4f782369c56 (diff)
downloadFreeBSD-src-15fe99c2f8855cd0ede4b25e338f8132e6e386ba.zip
FreeBSD-src-15fe99c2f8855cd0ede4b25e338f8132e6e386ba.tar.gz
Update arp(4) to document the 'arp: foo is on if0 but got reply from
bar on if1' message. PR: bin/48489 Requested by: ru
Diffstat (limited to 'usr.sbin/arp/arp.4')
-rw-r--r--usr.sbin/arp/arp.49
1 files changed, 9 insertions, 0 deletions
diff --git a/usr.sbin/arp/arp.4 b/usr.sbin/arp/arp.4
index 87cace3..5d2094a 100644
--- a/usr.sbin/arp/arp.4
+++ b/usr.sbin/arp/arp.4
@@ -124,6 +124,15 @@ 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.
+.Pp
+.Em "arp: %d.%d.%d.%d is on if0 but got reply from %x:%x:%x:%x:%x:%x on if1" :
+Physical connections exist to the same logical IP network on both if0 and if1.
+It can also occur if an entry already exists in the ARP cache for the IP
+address above, and the cable has been disconnected from if0, then reconnected
+to if1.
+This message can only be issued if the sysctl
+.Dv net.link.ether.inet.log_arp_wrong_iface
+is set to 1, which is the system's default behaviour.
.Sh SEE ALSO
.Xr inet 4 ,
.Xr route 4 ,
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