radvd: Rewrite manual for mvc implementation #834
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fichtner
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Jan 14, 2026
source/manual/radvd.rst
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| **Interface** Choose the interface that should send Router Advertisements. The prefix will be automatically | ||
| constructed from available IPv6 addresses of this interface. | ||
| **Constructor** Construct a prefix out of IPv6 addresses of an additional interface (e.g. the WAN interface). | ||
| In most cases an NDP proxy is required if the same prefix is shared by multiple interfaces. |
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this is vague and confusing for people trying to use this, perhaps:
- mark advanced fields as such
- Interface setting will contsruct a prefix from the primary IP of that interface, which is assigned by "Identity Association" or "Track interface" IPv6 modes of said interface.
- Say that "alternatively" a WAN interface prefix can be used for the constructor.
fichtner
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Jan 14, 2026
source/manual/radvd.rst
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| **DNS Search List Lifetime** Lifetime in seconds for advertised DNS search domains. | ||
| ========================================= ==================================================================================== | ||
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| For supported clients, DNS settings can also be propagated by radvd as detailed in `RFC 8106 <https://tools.ietf.org/html/rfc8106>`__ |
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Not sure if this remark adds any value?
fichtner
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Jan 14, 2026
| ========================================= ==================================================================================== | ||
| **Option** **Description** | ||
| ========================================= ==================================================================================== | ||
| **Enable DNS** Control the sending of the embedded DNS configuration (RFC 8106). |
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another advanced field, should only be disabled if the users know what they doing
fichtner
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Jan 14, 2026
source/manual/radvd.rst
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| router advertisements from the interface, in seconds. | ||
| Must be no less than 4 seconds and no greater than 1800 seconds. | ||
| ==================================== =============================================================================== | ||
| # TODO |
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for most purposes adding a new entry for the interface at hand and save+apply does all the work
of note is the "Track interface (legacy)" scope where adding an entry for an automatic and disabling it is the best way if you don't want to change the track mode, or switching to "Idenity Association" instead and adding a manual config if needed.
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opnsense/core#9603