Yes, the 1841 is supported in Rtr1800 6.0. Check NMSROOT/www/classpath/com/cisco/nm/xms/psu/pkgs/cvw/ and compare the list of contents to NMSROOT/MDC/tomcat/webapps/CVng/WEB-INF/classes/com/cisco/nm/cvw/devpkgs . The directory contents with regard to .zip files should be the same in both locations. You should have an RTr1800.zip file in both locations.