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version 1.1.1.1.2.1, 2013/07/22 01:01:52
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version 1.1.1.1.2.2, 2016/10/18 13:39:35
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| .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| .\" SUCH DAMAGE. |
.\" SUCH DAMAGE. |
| .\" |
.\" |
| .Dd October 11, 2002 | .Dd November 20, 2014 |
| .Dt CHOPARP 8 |
.Dt CHOPARP 8 |
| .Os |
.Os |
| .Sh NAME |
.Sh NAME |
| .Nm choparp |
.Nm choparp |
| .Nd cheap and omitted proxy ARP |
.Nd cheap and omitted proxy ARP |
| .Sh SYNOPSIS |
.Sh SYNOPSIS |
| .Nm choparp | .Nm chpoarp |
| .Op Fl v | |
| .Ar if_name mac_addr |
.Ar if_name mac_addr |
| .Oo Fl Oc Ns Ar net_addr Ns |
.Oo Fl Oc Ns Ar net_addr Ns |
| .Op / Ns Ar net_mask |
.Op / Ns Ar net_mask |
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| .Sh DESCRIPTION |
.Sh DESCRIPTION |
| .Pp |
.Pp |
| .Nm choparp |
.Nm choparp |
| is an easy-to-use proxy ARP daemon. | is a easy-to-use proxy ARP daemon. |
| It watches ARP request packets visible on the interface specified by argument |
It watches ARP request packets visible on the interface specified by argument |
| .Ar if_name , |
.Ar if_name , |
| and sends proxy ARP reply to the sender if the ARP request queries the |
and sends proxy ARP reply to the sender if the ARP request queries the |
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Line 53 for the network specified by
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Line 52 for the network specified by
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| .Ar net_addr Ns / Ar net_mask . |
.Ar net_addr Ns / Ar net_mask . |
| .Pp |
.Pp |
| .Ar mac_addr |
.Ar mac_addr |
| is the MAC address to be published for the specified hosts. | is th MAC address to be published for the specified hosts. |
| It is normally the address of |
It is normally the address of |
| .Ar if_name . |
.Ar if_name . |
| The format of |
The format of |
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Line 64 The keyword
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Line 63 The keyword
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| .Ad auto |
.Ad auto |
| can also be used to use the address of |
can also be used to use the address of |
| .Ar if_name |
.Ar if_name |
| from the system configuration | from the system configuration. |
| .Pp |
.Pp |
| |
A |
| |
.Xr carp 4 |
| |
virtual router address can be specified as |
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.Ad vhid:<hex> |
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. |
| |
.Pp |
| .Ar net_addr |
.Ar net_addr |
| must be in dotted quad notation |
must be in dotted quad notation |
| .Pq for example Ad 133.138.1.134 |
.Pq for example Ad 133.138.1.134 |
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Line 73 or be a 32 bit hexadecimal value starting with
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Line 78 or be a 32 bit hexadecimal value starting with
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| .Dq 0x |
.Dq 0x |
| .Pq for example Ad 0x858a0186 . |
.Pq for example Ad 0x858a0186 . |
| .Ar net_mask |
.Ar net_mask |
| can likewise be specified as a dotted quad or hexadecimal value, | can likewise be speficied as a dotted quad or hexadecimal value, |
| or alternatively as a mask length. The following address specifications |
or alternatively as a mask length. The following address specifications |
| are therefore equivalent: |
are therefore equivalent: |
| .Bl -item -offset indent |
.Bl -item -offset indent |
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Line 90 Addresses can be
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Line 95 Addresses can be
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| .Em excluded |
.Em excluded |
| by preceding them with |
by preceding them with |
| .Fl |
.Fl |
| .Pp |
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| .Fl v |
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| option enables verbose mode, showing warning for invalid ARP packets. |
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| .Pp |
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| .Nm choparp |
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| uses the Berkeley Packet Filter |
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| .Nm bpf(4) |
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| and so the kernel must be compiled with support for the |
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| .Nm bpf |
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| device. |
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| .Sh EXAMPLES |
.Sh EXAMPLES |
| If you have network interface |
If you have network interface |
| .Dq ne0 |
.Dq ne0 |
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