1. CT1304 LAN L AB Rehab AlFallaj

2. TCP\IP U TILITIES Objectives: To understand the following TCP\IP utilities: Hostname Ipconfig Ping Arp Tracert Netstat

3. HOSTNAME To display the name of the current host. hostname

4. IPCONFIG To display information about the current TCP\IP configuration: ipconfig

5. I PCONFIG

6. Ipconfig /all

7. PING To check connectivity between two devices, OR to check if a destination host is able to receive TCP\IP packets. ICMP packet Ping IP-address

8. P ING 172.0.0.1 To test NIC Ping IP-address

9. A RP To display and modifies the IP to physical address. arp -a

10. A RP To delete arp table entry: (run as administrator) arp -d

11. ARP

13. To add a physical address into the arp table, ping the target device. Static vs. Dynamic arp entry. To add a physical address statically into the arp table, use the command: arp –s IP-Address MAC-Address Example: Arp –s 192.10.10.7 00-50-bf-54-ce-d2

14. T RACERT To trace the route packets take to a destination host. Tracert IP-address

15. TRACERT Number of hops: 1

16. TRACERT Number of hops: 13

17. NETSTAT To display protocol statistics and current TCP\IP connections. Netstat -a

18. NETSTAT To Display protocol statistics ( sent, received packets, data, bytes) number of discarded packets, packets have errors. Netstat -e

19. E XAMPLEA How to know your host physical address? How to know the physical address of device in the same LAN? How to add a physical address statically into your device arp table?