| 摘要 |
A local network is secured using a router or hub that includes a security switch. During or immediately after initial network configuration, the router or hub records MAC addresses of connected network devices. After initial configuration is completed, the switch is activated. After the switch is activated, the router or hub will not allow connection of additional devices, as determined by the MAC addresses of connected devices. The security switch can be deactivated to permit connection of additional devices.
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