GNS3 Vault is a website that offers free Cisco labs for CCNA,CCNP and CCIE students and cisco CCNA certification. GNS3 Vault offers Cisco labs and scenarios that you can download and use with the GNS3 / Dynamips software. CCNA, CCNP and CCIE Labs CCNA, CCNP and CCIE labs offered include: Multicast (13). Static Routing (1). OSPF (25). ..