arp.4 (1a5d3a92f2c7bade925679817946f53d4d01ff9b) arp.4 (44ec3c8c44d8dcff0f863ebd2c07d511ac51ba74)
1.\" Copyright (c) 1985, 1986, 1988, 1994
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

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114.Sh MIB Variables
115The ARP protocol implements a number of configrable variables in
116.Va net.link.ether.inet
117branch
118of the
119.Xr sysctl 3
120MIB.
121.Bl -tag
1.\" Copyright (c) 1985, 1986, 1988, 1994
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

--- 105 unchanged lines hidden (view full) ---

114.Sh MIB Variables
115The ARP protocol implements a number of configrable variables in
116.Va net.link.ether.inet
117branch
118of the
119.Xr sysctl 3
120MIB.
121.Bl -tag
122.It Dv prune_intvl
122.It Va prune_intvl
123How frequently the ARP cache is cleaned from expired entries.
123How frequently the ARP cache is cleaned from expired entries.
124.It Dv max_age
125How long an ARP entry is hold in cache until it needs to be refreshed.
126.It Dv maxtries
124.It Va max_age
125How long an ARP entry is held in the cache until it needs to be refreshed.
126.It Va maxtries
127Number of retransmits before host is considered down and error is returned.
127Number of retransmits before host is considered down and error is returned.
128.It Dv useloopback
128.It Va useloopback
129If an ARP entry is added for local address, force the traffic to go through
129If an ARP entry is added for local address, force the traffic to go through
130the loopback interface. If set to 0 the traffic will be enforced to go
131through the hardware.
132.It Dv proxyall
130the loopback interface.
131.It Va proxyall
133Enables ARP proxying for all hosts on net.
134.El
135.Sh DIAGNOSTICS
136.Em "arp: %x:%x:%x:%x:%x:%x is using my IP address %d.%d.%d.%d!" :
137ARP has discovered another host on the local network which responds to
138mapping requests for its own Internet address with a different Ethernet
139address, generally indicating that two hosts are attempting to use the
140same Internet address.

--- 49 unchanged lines hidden --- 		132Enables ARP proxying for all hosts on net.
133.El
134.Sh DIAGNOSTICS
135.Em "arp: %x:%x:%x:%x:%x:%x is using my IP address %d.%d.%d.%d!" :
136ARP has discovered another host on the local network which responds to
137mapping requests for its own Internet address with a different Ethernet
138address, generally indicating that two hosts are attempting to use the
139same Internet address.

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