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Explicitly document all variables in the net.link.ether.inet MIB.

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Gleb Smirnoff 2012-09-03 14:16:16 +00:00
parent 3582a9f6c6
commit 5610c8a7ac
1 changed files with 38 additions and 5 deletions
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43
usr.sbin/arp/arp.4
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@ -28,7 +28,7 @@
.\" @(#)arp4.4 6.5 (Berkeley) 4/18/94
.\" $FreeBSD$
.\"
.Dd March 28, 2007
.Dd September 3, 2012
.Dt ARP 4
.Os
.Sh NAME
@ -119,20 +119,53 @@ branch
of the
.Xr sysctl 3
MIB.
.Bl -tag -width "useloopback"
.Bl -tag -width "log_arp_permanent_modify"
.It Va log_arp_movements
Should the kernel log movements of IP addresses from one hardware
address to an other.
See
.Sx DIAGNOSTICS
below.
Turned on by default.
.It Va log_arp_permanent_modify
Should the kernel log attempts of remote host on network to modify a
permanent ARP entry.
See
.Sx DIAGNOSTICS
below.
Turned on by default.
.It Va log_arp_wrong_iface
Should the kernel log attempts to insert an ARP entry on an interface
when the IP network the address belongs to is connected to an other
interface.
See
.Sx DIAGNOSTICS
below.
Turned on by default.
.It Va max_age
How long an ARP entry is held in the cache until it needs to be refreshed.
Default is 1200 seconds.
.It Va maxhold
How many packets hold in the per-entry output queue while the entry
is being resolved.
Default is one packet.
.It Va maxtries
Number of retransmits before host is considered down and error is returned.
Default is 5 tries.
.It Va proxyall
Enables ARP proxying for all hosts on net.
Turned off by default.
.It Va useloopback
If an ARP entry is added for local address, force the traffic to go through
the loopback interface.
.It Va proxyall
Enables ARP proxying for all hosts on net.
Turned on by default.
.It Va wait
Lifetime of an incomplete ARP entry.
Default is 20 seconds.
.El
.Sh DIAGNOSTICS
.Bl -diag
.It "arp: %x:%x:%x:%x:%x:%x is using my IP address %d.%d.%d.%d!"
.It "arp: %x:%x:%x:%x:%x:%x is using my IP address %d.%d.%d.%d on %s!"
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