Probando la red me aparece el siguiente mensaje

From 192.168.70.105 icmp_seq=1 Destination Host Unreachable
From 192.168.70.105 icmp_seq=2 Destination Host Unreachable
From 192.168.70.105 icmp_seq=3 Destination Host Unreachable
From 192.168.70.105 icmp_seq=4 Destination Host Unreachable
From 192.168.70.105 icmp_seq=5 Destination Host Unreachable
From 192.168.70.105 icmp_seq=6 Destination Host Unreachable
From 192.168.70.105 icmp_seq=7 Destination Host Unreachabl

Al configurar un plugin aparece este error
Notice: Undefined variable: supercache_home in /home/usuario/public_html/dominio/wp-content/plugins/wp-super-cache/wp-cache-phase2.php on line 1143