adapter Full name or pattern with '*' and '?' to 'match',
* matches any character, ? matches one character.
Options
/? 显示这条帮助消息
/all 显示完整的构造信息.
/release 为规定的改编者推出IP地址.
/renew 为规定的改编者更新IP地址.
/flushdns 除掉DNS Resolver缓存.
/registerdns 使所有的动态宿主配置协议契约精神振作并且再对准DNS名字
/displaydns 显示DNS Resolver缓存的内容
/showclassid 显示班标识符许可了的所有的dhcp改编者.
/setclassid 更改dhcp班id.
The default is to display only the IP address, subnet mask and
default gateway for each adapter bound to TCP/IP.
For Release and Renew, if no adapter name is specified, then the IP address
leases for all adapters bound to TCP/IP will be released or renewed.
For SetClassID, if no class id is specified, then the classid is removed.
Examples:
> ipconfig ... Show information.
> ipconfig /all ... Show detailed information
> ipconfig /renew ... renew all adapaters
> ipconfig /renew EL* ... 更新被称为了EL的改编者....
> ipconfig /release *ELINK?21* ... release all matching adapters,
eg. ELINK-21, myELELINKi21adapter.