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Other Command Lines

Command-Line Utilities
What are different between net use and subst



To find out a remote computer's MAC/Physical Address, use arp -a ip, for example, arp -a Another way to find out MAC is check DHCP records. To find local computer MAC, use ipconfig or winipcfg.

Note: if you receive "No ARP Entries Found" when using ARP, you may need to use ping command first and then ARP.


Command-line utilities

Viewing configuration by using ipconfig /all or winipcfg

When troubleshooting a TCP/IP networking problem, you can use the ipconfig command to get host computer configuration information, including the IP address, subnet mask, and default gateway. If it is running Win9x, ME, use winipcfg instead.

Refreshing configuration by using ipconfig /renew

When troubleshooting a TCP/IP networking problem, you can use the ipconfig /renew command to renew all network adapters on the computer that uses DHCP (except those that are manually configured) try to contact a DHCP server and renew their existing configuration or obtain a new configuration. You can also use the ipconfig command with the /release option to immediately release the current DHCP configuration for a host. For Win9x and ME, use the release and renew options of the winipcfg command instead of ipconfig /release and ipconfig /renew to perform manual release or renewal of the IP configuration lease for a client.

Flush and re-register WINS and DNS

To flush the NetBIOS cache, use nbtstat -R, and to re-registers with WINS, use nbtstat -RR.

To flushes the DNS cache, use ipconfig /flushdns, and re-registers with DNS, use ipconfig /registerdns.


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