Configuration Declarative using regular grammar: create routerone set routerone personality "Cisco 7206 running IOS 11.1(24)" set routerone default tcp action reset add routerone tcp port 23 "scripts/router-telnet.pl" bind 10.1.0.1 routerone Machines defined via templates. Default template is used if no other template defined. Services can be proxied: add template1 udp port 53 proxy 128.9.0.107:53 add other tcp port 22 proxy $ipsrc:22 Other characteristics: Uptime configurable. IP fragmentation preferences configurable, too. And much more.