IP address release and update on S series switch

If you need to allocate new IP addresses to PCs (DHCP clients), you must release old IP addresses from the PCs. However, you can renew IP address leases without releasing IP addresses.
1. (Optional) Releasing an IP address
The command for releasing an IP address varies according to the operating system:
a. If the PC runs the Windows 7 operating system, run the ipconfig or release command.
b. If the PC runs the Windows 98 MS-DOS operating system, run the winipcfg or release command.
2. Requesting a new IP address or renewing IP address lease
The command for requesting an IP address or renewing IP address lease also varies according to the operating system:
a. If the PC runs the Windows 7 operating system, run the ipconfig or renew command.
b. If the PC runs the Windows 98 MS-DOS operating system, run the winipcfg or renew command.

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