Hi, DNA-Center_C (10.10.20.85) is not available in this lab: [root@devbox ~]# ping 10.10.20.80PING 10.10.20.80 (10.10.20.80) 56(84) bytes of data.64 bytes from 10.10.20.80: icmp_seq=3 ttl=254 time=3.86 ms64 bytes from 10.10.20.80: icmp_seq=4 ttl=254 ...