Windows Network Diagnostics

IP Addressing

ipconfig

DHCP

ipconfig /release

ipconfig /renew

DNS

ipconfig /flushdns

Connection Monitoring

netstat -ab

Task Manager

TODO

Resource Monitor

TODO

TCPView

Packet Monitoring

Route Testing

i.e. can mybox001 talk to mybox002 on a particular port?

From mybox001...

ping mybox002

ping uses ICMP and does not use any port

tracert mybox002


telnet mybox002 3306

This opens a connection on the specified port.

tnc -port 3306 mybox002

pathping mybox002

Port Testing

To see a list of open ports and associated IP addresses...

netstat -n