Windows Network Command Line

Question 1

ipconfig

Answer 1

• Most of your troubleshooting starts with your IP address
  – Ping your local router/gateway
• Determine TCP/IP and network adapter information
  – And some additional IP details
• View additional configuration details
  – DNS servers, DHCP server, etc.

Question 2

ping

Answer 2

ping
* Test reachability
– Determine round-trip time
– Uses Internet Control Message Protocol (ICMP)

Question 3

netstat

Answer 3

Network statistics
– Many different operating systems

Question 4

*netstat -a

Answer 4

Show all active connections

Question 5

*netstat -b

Answer 5

– Show binaries (Windows)

Question 6

netstat -n

Answer 6

Do not resolve names

Question 7

nslookup

Answer 7

Lookup information from DNS servers
– Canonical names, IP addresses, cache timers, etc

Question 8

net

Answer 8

Windows network commands
* View network resources
– net view \<servername>
– net view /workgroup:<workgroupname>
* Map a network share to a drive letter
– net use h: \\<servername>\<sharename>
* View user account information and reset passwords
– net user <username>
– net user <username> * /domain</username></username></sharename></servername></workgroupname></servername>

Question 9

tracert

Answer 9

• Determine the route a packet takes to a destination
  – Map the entire path
• Takes advantage of ICMP Time to Live Exceeded
  message
  – The time in TTL refers to hops, not
  seconds or minutes
  – TTL=1 is the first router, TTL=2 is
  the second router, etc.

Question 10

pathping

Answer 10

Combine ping and traceroute