25年，了不起。。

@Harold Ritter Thank you so much for your help.  I used the VMplayer to run the Pnetlab VM in a windows 10 Laptop PC.I gave 24G RAM and 12 cpu cores, is it a right configuration for pnetlab to run Cisco xrvk9 7.11.1? My ios xr software version is 7.1...

@Rich R I pasted the screenshot just for my lab learning. No more questions, thank you so much. 

 

xrv9k can be startup, but the Gi0/0/0/0 interface of the router is not functioning properly and cannot connect to the external network.