Show system information Show IPv4 information Show IP multicast group membership netstat -gn4 Reset Internet Protocol (IP) parameters Reset Address Resolution Protocol (ARP) cache Reset ARP cache for an IPv4 address <x.x.x.x> sudo ip neigh flush to "$5" Reset ARP cache for interface sudo ip neigh flush dev "$5" Reset IP route Flush the kernel route cache sudo ip route flush cache Flush the kernel route cache for a given route <x.x.x.x> <x.x.x.x/x> sudo ip route flush cache "$5"