2 .\" Copyright (c) 2008 The DragonFly Project. All rights reserved.
4 .\" This code is derived from software contributed to The DragonFly Project
5 .\" by Matthew Dillon <dillon@backplane.com>
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34 .\" $DragonFly: src/usr.bin/vknet/vknet.1,v 1.2 2008/05/31 12:04:15 swildner Exp $
41 .Nd create a bridged network between two hosts over
46 .Op Fl b Ar local-bridge
47 .Op Fl B Ar remote-bridge
48 .Op Fl r Ar delay[:retries]
50 .Ar [user@]host[:remote-spec]
53 .Op Fl b Ar local-bridge
58 utility connects the local machine's network to the remote machine's
59 network over a SSH connection.
61 The local and remote specification
62 typically supplies a path to a vknetd socket such as
64 but may also specify a
68 keyword to automatically allocate a
72 If a tap interface is used on any given side it can be bridged on that
75 If a unix domain socket path is specified
77 connects to use via the SOCK_SEQPACKET socket type.
79 sockets cannot be bridged (but you don't want to anyway because vknetd
80 is already typically connected to a potentially bridged TAP interface).
82 The following options are available:
87 compress the connection.
88 .It Fl b Ar local-bridge
89 Specify that the local specification, which must be a TAP interface or
91 be bridged to the specified bridge.
92 .It Fl B Ar remote-bridge
93 Specify that the remote specification, which must be a TAP interface or
95 be bridged to the specified bridge on the remote side.
96 .It Fl r Ar delay[:retries]
97 If the link cannot be established or is lost, delay the specified number
98 of seconds and retry. If no retry limit is specified an infinite number
99 of retries will be made.
101 This option is used by the
103 run on the remote side of the ssh link to use stdin and stdout as its
104 remote specification. This option is typically not specified manually.
107 .Li "vknet -r 5 /dev/vknet myhomesystem:/dev/vknet"
109 .Li "vknet -r 5 -b bridge0 -B bridge0 auto myhomesystem:auto"
111 You may have to load the
117 to provide an interconnect to the local and remote machine's nework.
119 .Bl -tag -width /var/log/lastlog -compact
121 TAP interface used to route packets from userland providers back into the
122 real machine. If not otherwise specified an unused tap interface will be
128 typically connects to, established by
132 There are currently no known bugs.
140 command was written by Matthew Dillon and first appeared in