How to enable sub interface on isoxrv, how can ping fail
interface GigabitEthernet0/0/0/0
!
interface GigabitEthernet0/0/0/0.10
ipv4 address 10.1.12.1 255.255.255.0
encapsulation dot1q 10
Do not need other configuration commands, imported with VMware, tried several versions are not