It is sometimes inevitable to keep wireless clients from communicating with other wireless clients connected to the same Access Point or Wireless router for security reasons.

Here’s how to enable this feature on D-Link DIR-600 wireless router.

1. Login to DIR-600 setup page, default url is http://192.168.0.1, default username is admin and empty password.

2. Click on the Advanced tab, then on the left navigation menu, click on the Advanced Wireless.

3. Under the Advanced Wireless Settings box, look for the WLAN Partition and click on the checkbox to enable it.

4. Click on the Save Settings button and restart the D-Link DIR-600 router.

That’s about it, you may try to ping a connected wireless client connected to the D-Link DIR-600 router to check the restriction.