Инструменты сетевой диагностики

• ifconfig (ip link), arp (ip neighbor), ethtool, iwconfig (iw)
• ping, traceroute, mtr
• netstat (ss, ip route, ip -s link, ip maddr)
• hostname, nslookup, dig, host
• telnet, nc (netcat), openssl
• nmap
• tcpdump, wireshark
• iptraf
• ntop