CertExams.com, a leading netsim software developer, released Juniper Network Simulator with Designer after a thorough review. The new version of the software includes several updates to its command support, and the lab exercises. The new features include Host to router/switch communication and/or router/switch to host communication and troubleshooting. Additionally, it supports DHCP configuration on routers and enables DHCP info to be obtained by the hosts connected via Juniper router/switch network.
You may download the software from the website here:
The labs supported may be viewed here: