ifconfig arp ping : icmp packets example : ping 10.6.15.254 -s 2000 -M {dont // do} for DF bit on/off wget/curl -tcp port 80 (http traffic) netstat -rn : for default gateway address arp -a : gives address in cache sudo arp -d xx.xx.xx.xx : clearing cache //filter on wireshark : eth.addr==( your mac address) to find out arp traffic sent from your computer to local network
traceroute –I web.address.com (-I for ICMP instead of usual UDP probes)
sudo dhclient -v -r wlan0/eth0/interface_name to lease IP address sudo dhclient -v wlan0/eth0/interface_name to renew the lease capture DHCP traffic on udp port 67 or udp port 68 dig @198.41.0.4 snu.edu.in to send a request to "a" nameserver whose IP address is 198.41.0.4 capture DNS traffic on udp port 53