DOC-14009 XDCR Support for CNG - #4104
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updated with port info and edits
updated with securetype is full, a=documented switching between direct and CNG, and added that hostname can accept couchbase2:// prefixed connection
hyunjuV
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Jul 14, 2026
hyunjuV
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Jul 15, 2026
incorporated PM comments
PM comments and some Vale changes
updated xrefs from docs operator to docs cloud native gateway
…ouchbase/docs-server into DOC-14009-xdcr-support-for-cng
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Sep 1, 2026
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It looks like this content needs to be broken up into separate pages. I've left comments as to what parts probably need to move.
| * The self-managed CNG must allow connections from the Capella cluster nodes. | ||
| * On the Capella cluster, create a remote reference using the `couchbase2://` prefix and the self-managed cluster CNG hostname. | ||
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| == Reference |
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Should this be someplace in the Reference > XDCR Reference section? Maybe in https://docs.couchbase.com/server/current/xdcr-reference/xdcr-security-and-networking.html? It doesn't belong in Learn... and probably not in Manage either.
| The administrator setting up XDCR must have the `Full Admin`, `Cluster Admin` or `XDCR Admin` role, on the source cluster. | ||
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| * Whether the the connection between source and target clusters will be managed securely, and if so, by what secure methodology. | ||
| * When creating a remote cluster reference for a target cluster fronted by Cloud Native Gateway (CNG), use the `couchbase2://` prefix in the hostname field. |
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| * When creating a remote cluster reference for a target cluster fronted by Cloud Native Gateway (CNG), use the `couchbase2://` prefix in the hostname field. | |
| * When creating a remote cluster reference for a target cluster fronted by Cloud Native Gateway (CNG), use the `couchbase2://` scheme in the hostname field. |
| * Whether the the connection between source and target clusters will be managed securely, and if so, by what secure methodology. | ||
| * When creating a remote cluster reference for a target cluster fronted by Cloud Native Gateway (CNG), use the `couchbase2://` prefix in the hostname field. | ||
| This instructs XDCR to use gRPC over HTTPS instead of direct node-to-node connections. | ||
| The default CNG gRPC port is *18098*. |
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Bold is genreally only used for UX references (buttons, dialogs, etc.).
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| The default CNG gRPC port is *18098*. | |
| The default CNG gRPC port is 18098. |
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| Once the reference has been saved, it can be used to specify a target cluster, when an XDCR replication is created. | ||
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| IMPORTANT: When using the `couchbase2://` connection scheme, you must set the secureType parameter to full. |
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| IMPORTANT: When using the `couchbase2://` connection scheme, you must set the secureType parameter to full. | |
| IMPORTANT: When using the `couchbase2://` connection scheme, you must set the `secureType` parameter to full. |
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DOC-14009