<dependency>
<groupId>org.eclipse.californium</groupId>
<artifactId>cf-nat</artifactId>
<version>2.0.0-RC2</version>
</dependency>
@Grapes(
@Grab(group='org.eclipse.californium', module='cf-nat', version='2.0.0-RC2')
)
<parent> <groupId>org.eclipse.californium</groupId> <artifactId>demo-apps</artifactId> <version>2.0.0-RC2</version> </parent>