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1 perry 1 ifupdown
2 !!!ifupdown
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 OPTIONS
7 NOTES
8 FILES
9 AUTHOR
10 SEE ALSO
11 ----
12 !!NAME
13
14
15 ifup - bring a network interface up
16
17
18 ifdown - take a network interface down
19 !!SYNOPSIS
20
21
22 __ifup [[-sinv] [[--interfaces=__''file''__] [[--no-act]
23 [[--verbose] [[-a|__''ifaces''__]__
24
25
26 __ifdown [[-sinv] [[--interfaces=__''file''__]
27 [[--no-act] [[--verbose]
28 [[-a|__''ifaces''__]__
29 !!DESCRIPTION
30
31
32 The __ifup__ and __ifdown__ commands may be used to
33 configure (or, respectively, deconfigure) network
34 interfaces, based on descriptions of the interfaces entered
35 into the file ''/etc/network/interfaces''.
36 !!OPTIONS
37
38
39 These programs follow the usual GNU command line syntax,
40 with long options starting with two dashes (`-'). A summary
41 of options is included below.
42
43
44 __-h, --help__
45
46
47 Show summary of options.
48
49
50 __-V, --version__
51
52
53 Show copyright and version information.
54
55
56 __-a, --all__
57
58
59 Affect all interfaces marked __auto__.
60
61
62 __-i__ file__, --interfaces__ file
63
64
65 Read interface definitions from a different
66 file.
67
68
69 __-v, --verbose__
70
71
72 Show commands being executed.
73
74
75 __-n, --no-act__
76
77
78 Don't actually execute the commands (this doesn't disable
79 mappings, however)
80
81
82 __--no-mappings__
83
84
85 Don't run any mappings.
86
87
88 __--force__
89
90
91 Force de/configuration of interface.
92 !!NOTES
93
94
95 The __ifup__ and __ifdown__ programs don't actually
96 know anything about configuring interfaces themselves but
97 instead invoke lower-level utilities such as __ifconfig__
98 and __route__ to do the actual dirtywork. The main
99 advantages to using __ifup__ and __ifdown__ instead of
100 calling the lower-level utilities directy is the ability to
101 keep all your interface specifications in a single (easily
102 parsable) file, and to not have to deal with the various
103 idiosyncracies of the lower-level commands.
104 !!FILES
105
106
107 __/etc/network/interfaces__
108
109
110 Descriptions of all the network interfaces the system
111 has.
112
113
114 __/etc/network/ifstate__
115
116
117 Current state of network interfaces.
118 !!AUTHOR
119
120
121 The ifupdown suite written by Anthony Towns
122 !!SEE ALSO
123
124
125 interfaces(5), ifconfig(8),
126 ----
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