Steps for repairing Windows XP Network faults

What actions occur when I click repair on a network connection in Windows XP and later?

A. if you right-click a network connection and select status, Windows displays information about the connection's speed, duration of connection, and packet activity. for XP and later, a repair option appears on the support tab. when you click repair, Windows attempts to resolve a range of problems. specifically, the OS

Attempts to renew the DHCP lease, if the connection obtains its IP address through DHCP, using a broadcast message.

Flushes the Address Resolution Protocol (ARP) cache using the command
ARP-D *

Flushes the NetBIOS cache using the command
NBTSTAT-R

Flushes the DNS Cache using the command
Ipconfig/flushdns

Reregisters the NetBIOS Name and IP address with wins using the command
NBTSTAT-rr

Reregisters the computer name and IP address with DNS using the command
Ipconfig/registerdns

Steps for Windows XP Network Restoration

Source: taocsdn Column

Q: If you right-click a network connection and select "status", Windows displays a dialog box that includes the following information: connection speed, connection duration, and activity status of data packets (number of received and sent packets ). In OS versions above XP, Microsoft adds a "fix" option in the status attribute in the support tab. When you click "fix ", windows will try to fix your network connection. In particular, the operating system follows the steps below (actually calling internal function implementation, this article only simulates a similar Command Line Process ):

1. If an IP address is obtained from DHCP through broadcast, the DHCP lease will be updated first.

2. Refresh ARP cache (ARP-D *)

3. Refresh the NetBIOS cache (nbtstat-R)

4. Refresh the DNS cache (ipconfig/flushdns)

5. register the NetBIOS Name and IP address (nbtstat-rr) on wins again)

6. register the computer name and IP address (ipconfig/registerdns) on the DNS again)