Address of network card的用法和样例：
- In order to get the address of network card in the LAN, we can take out the content of ARP buffer by sending some packets to other computers in ICMP protocol.
- Soft Modification of MAC Address of Network Card
- The RARP protocol is used by IP to find the IP address based on the hardware address of a computer network card.
- Batch Obtaining MAC Addresses of Network Cards