doc,dgram: fix addMembership documentation
Adding membership using `IP_ADD_MEMBERSHIP` with interface address set to `INADDR_ANY` for `IPv4` or as an index of `0` for `IPv6` leads to using only one interface selected by the operating system. Fixes: https://github.com/nodejs/node/issues/1692 PR-URL: https://github.com/nodejs/node/pull/7244 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
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@ -78,10 +78,11 @@ added: v0.6.9
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* `multicastAddress` {String}
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* `multicastAddress` {String}
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* `multicastInterface` {String}, Optional
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* `multicastInterface` {String}, Optional
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Tells the kernel to join a multicast group at the given `multicastAddress`
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Tells the kernel to join a multicast group at the given `multicastAddress` and
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using the `IP_ADD_MEMBERSHIP` socket option. If the `multicastInterface`
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`multicastInterface` using the `IP_ADD_MEMBERSHIP` socket option. If the
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argument is not specified, the operating system will try to add membership to
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`multicastInterface` argument is not specified, the operating system will choose
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all valid networking interfaces.
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one interface and will add membership to it. To add membership to every
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available interface, call `addMembership` multiple times, once per interface.
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### socket.address()
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### socket.address()
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