1 .. SPDX-License-Identifier: GPL-2.0 1 .. SPDX-License-Identifier: GPL-2.0
2 2
3 ==== 3 ====
4 IPv6 4 IPv6
5 ==== 5 ====
6 6
7 7
8 Options for the ipv6 module are supplied as pa 8 Options for the ipv6 module are supplied as parameters at load time.
9 9
10 Module options may be given as command line ar 10 Module options may be given as command line arguments to the insmod
11 or modprobe command, but are usually specified 11 or modprobe command, but are usually specified in either
12 ``/etc/modules.d/*.conf`` configuration files, 12 ``/etc/modules.d/*.conf`` configuration files, or in a distro-specific
13 configuration file. 13 configuration file.
14 14
15 The available ipv6 module parameters are liste 15 The available ipv6 module parameters are listed below. If a parameter
16 is not specified the default value is used. 16 is not specified the default value is used.
17 17
18 The parameters are as follows: 18 The parameters are as follows:
19 19
20 disable 20 disable
21 21
22 Specifies whether to load the IPv6 mod 22 Specifies whether to load the IPv6 module, but disable all
23 its functionality. This might be used 23 its functionality. This might be used when another module
24 has a dependency on the IPv6 module be 24 has a dependency on the IPv6 module being loaded, but no
25 IPv6 addresses or operations are desir 25 IPv6 addresses or operations are desired.
26 26
27 The possible values and their effects 27 The possible values and their effects are:
28 28
29 0 29 0
30 IPv6 is enabled. 30 IPv6 is enabled.
31 31
32 This is the default value. 32 This is the default value.
33 33
34 1 34 1
35 IPv6 is disabled. 35 IPv6 is disabled.
36 36
37 No IPv6 addresses will be adde 37 No IPv6 addresses will be added to interfaces, and
38 it will not be possible to ope 38 it will not be possible to open an IPv6 socket.
39 39
40 A reboot is required to enable 40 A reboot is required to enable IPv6.
41 41
42 autoconf 42 autoconf
43 43
44 Specifies whether to enable IPv6 addre 44 Specifies whether to enable IPv6 address autoconfiguration
45 on all interfaces. This might be used 45 on all interfaces. This might be used when one does not wish
46 for addresses to be automatically gene 46 for addresses to be automatically generated from prefixes
47 received in Router Advertisements. 47 received in Router Advertisements.
48 48
49 The possible values and their effects 49 The possible values and their effects are:
50 50
51 0 51 0
52 IPv6 address autoconfiguration 52 IPv6 address autoconfiguration is disabled on all interfaces.
53 53
54 Only the IPv6 loopback address 54 Only the IPv6 loopback address (::1) and link-local addresses
55 will be added to interfaces. 55 will be added to interfaces.
56 56
57 1 57 1
58 IPv6 address autoconfiguration 58 IPv6 address autoconfiguration is enabled on all interfaces.
59 59
60 This is the default value. 60 This is the default value.
61 61
62 disable_ipv6 62 disable_ipv6
63 63
64 Specifies whether to disable IPv6 on a 64 Specifies whether to disable IPv6 on all interfaces.
65 This might be used when no IPv6 addres 65 This might be used when no IPv6 addresses are desired.
66 66
67 The possible values and their effects 67 The possible values and their effects are:
68 68
69 0 69 0
70 IPv6 is enabled on all interfa 70 IPv6 is enabled on all interfaces.
71 71
72 This is the default value. 72 This is the default value.
73 73
74 1 74 1
75 IPv6 is disabled on all interf 75 IPv6 is disabled on all interfaces.
76 76
77 No IPv6 addresses will be adde 77 No IPv6 addresses will be added to interfaces.
78 78
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