.. SPDX-License-Identifier: GPL-2.0
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====
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IPv6
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====
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Options for the ipv6 module are supplied as parameters at load time.
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Module options may be given as command line arguments to the insmod
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or modprobe command, but are usually specified in either
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``/etc/modules.d/*.conf`` configuration files, or in a distro-specific
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configuration file.
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The available ipv6 module parameters are listed below. If a parameter
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is not specified the default value is used.
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The parameters are as follows:
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disable
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Specifies whether to load the IPv6 module, but disable all
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its functionality. This might be used when another module
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has a dependency on the IPv6 module being loaded, but no
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IPv6 addresses or operations are desired.
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The possible values and their effects are:
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0
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IPv6 is enabled.
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This is the default value.
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1
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IPv6 is disabled.
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No IPv6 addresses will be added to interfaces, and
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it will not be possible to open an IPv6 socket.
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A reboot is required to enable IPv6.
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autoconf
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Specifies whether to enable IPv6 address autoconfiguration
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on all interfaces. This might be used when one does not wish
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for addresses to be automatically generated from prefixes
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received in Router Advertisements.
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The possible values and their effects are:
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0
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IPv6 address autoconfiguration is disabled on all interfaces.
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Only the IPv6 loopback address (::1) and link-local addresses
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will be added to interfaces.
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1
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IPv6 address autoconfiguration is enabled on all interfaces.
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This is the default value.
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disable_ipv6
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Specifies whether to disable IPv6 on all interfaces.
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This might be used when no IPv6 addresses are desired.
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The possible values and their effects are:
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0
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IPv6 is enabled on all interfaces.
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This is the default value.
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1
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IPv6 is disabled on all interfaces.
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No IPv6 addresses will be added to interfaces.
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