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AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2026-02-16 · Documentation medium

File: AWSCloudFormation/latest/TemplateReference/aws-resource-mediaconnect-routernetworkinterface.md

Summary

Added network interface types documentation and Ref/GetAtt usage examples

Security assessment

Clarified security aspects of VPC network interfaces but didn't address specific vulnerabilities

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-resource-mediaconnect-routernetworkinterface.md b/AWSCloudFormation/latest/TemplateReference/aws-resource-mediaconnect-routernetworkinterface.md
index c2422efe9..3b6655613 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-resource-mediaconnect-routernetworkinterface.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-resource-mediaconnect-routernetworkinterface.md
@@ -9 +9,10 @@ This is the new _CloudFormation Template Reference Guide_. Please update your bo
-The `AWS::MediaConnect::RouterNetworkInterface` resource Property description not available. for MediaConnect.
+The `AWS::MediaConnect::RouterNetworkInterface` resource defines how the router communicates with the outside world. Each router I/O needs a network interface, which determines how the router I/O connects to other resources and what security measures protect the connection. 
+
+You can work with two types of router network interface:
+
+  * **Public network interfaces** \- allow communication over the public internet.
+
+  * **VPC network interfaces** \- allow communication within your Amazon Virtual Private Cloud (VPC).
+
+
+
@@ -47 +56 @@ To declare this entity in your CloudFormation template, use the following syntax
-Property description not available.
+The configuration settings for a router network interface.
@@ -95,0 +105,6 @@ _Required_ : No
+When you pass the logical ID of this resource to the intrinsic `Ref` function, `Ref` returns the router network interface ARN. For example:
+
+`{ "Ref": "arn:aws:mediaconnect:us-west-2:111122223333:routerNetworkInterface:00e8efe67aa3" }`
+
+For more information about using the `Ref` function, see [`Ref`](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-ref.html).
+
@@ -97,0 +113,4 @@ _Required_ : No
+The `Fn::GetAtt` intrinsic function returns a value for a specified attribute of this type. The following are the available attributes and sample return values.
+
+For more information about using the `Fn::GetAtt` intrinsic function, see [`Fn::GetAtt`](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-getatt.html).
+