Merge pull request #3927 from hashicorp/docs-encrypt-key-note
Docs: Clarify encrypt key for WAN joined DCs
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@ -18,6 +18,8 @@ Enabling gossip encryption only requires that you set an encryption key when
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starting the Consul agent. The key can be set via the `encrypt` parameter: the
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value of this setting is a configuration file containing the encryption key.
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~> **WAN Joined Datacenters Note:** If using multiple WAN joined datacenters, be sure to use _the same encryption key_ in all datacenters.
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The key must be 16-bytes, Base64 encoded. As a convenience, Consul provides the
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[`consul keygen`](/docs/commands/keygen.html) command to generate a
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cryptographically suitable key:
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