setup a lab with real devices, GNS, cloudy router XRV

physical topology:
1. ESXI host
2. on esxi, installed 3 XRV, each one have 4 ports, make sure you can access the console of these routers
you might need name pipe(near end: server, far end: virtual machine), if network console not working.

3. windows7 installed GNS3, installed putty to access console of XRV if network console not working
    a. depend on how many links you need connect to XRV you need install network adapter for each connection to XRV.
  b. you need install 3 serial ports for the connection of console of XRV use name pipe (near client, far end: virtual machine).
4. in GNS3 add cloud, configure cloud, add network adapters to Cx
5. add routers
6. use ESXi network adapter to connect to physical devices such as layer 3 switches, or connect to internet



for ESXI you need : Go into the vswitch properties. then click on security tab and change promiscuous mode reject to accept.