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1.. SPDX-License-Identifier: GPL-2.02 3====4IPv65====6 7 8Options for the ipv6 module are supplied as parameters at load time.9 10Module options may be given as command line arguments to the insmod11or modprobe command, but are usually specified in either12``/etc/modules.d/*.conf`` configuration files, or in a distro-specific13configuration file.14 15The available ipv6 module parameters are listed below. If a parameter16is not specified the default value is used.17 18The parameters are as follows:19 20disable21 22 Specifies whether to load the IPv6 module, but disable all23 its functionality. This might be used when another module24 has a dependency on the IPv6 module being loaded, but no25 IPv6 addresses or operations are desired.26 27 The possible values and their effects are:28 29 030 IPv6 is enabled.31 32 This is the default value.33 34 135 IPv6 is disabled.36 37 No IPv6 addresses will be added to interfaces, and38 it will not be possible to open an IPv6 socket.39 40 A reboot is required to enable IPv6.41 42autoconf43 44 Specifies whether to enable IPv6 address autoconfiguration45 on all interfaces. This might be used when one does not wish46 for addresses to be automatically generated from prefixes47 received in Router Advertisements.48 49 The possible values and their effects are:50 51 052 IPv6 address autoconfiguration is disabled on all interfaces.53 54 Only the IPv6 loopback address (::1) and link-local addresses55 will be added to interfaces.56 57 158 IPv6 address autoconfiguration is enabled on all interfaces.59 60 This is the default value.61 62disable_ipv663 64 Specifies whether to disable IPv6 on all interfaces.65 This might be used when no IPv6 addresses are desired.66 67 The possible values and their effects are:68 69 070 IPv6 is enabled on all interfaces.71 72 This is the default value.73 74 175 IPv6 is disabled on all interfaces.76 77 No IPv6 addresses will be added to interfaces.78 79