ZyXEL NBG6615 User Guide - Page 55
What You Should Know, 6.3.1 Wireless Security Overview, 6.3.2 MBSSID, MBSSID
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Chapter 6 Wireless LAN • Use the MAC Filter screen to allow or deny wireless stations based on their MAC addresses from connecting to the NBG6615 (Section 6.5 on page 59). • Use the Advanced screen to allow intra-BSS networking and set the RTS/CTS Threshold (Section 6.6 on page 60). • Use the WPS screen to quickly set up a wireless network with strong security, without having to configure security settings manually (Section 6.7 on page 61). • Use the WPS Station screen to add a wireless station using WPS (Section 6.8 on page 63). • Use the Scheduling screen to set the times your wireless LAN is turned on and off (Section 6.9 on page 63). • Use the MBSSID screen to configure multiple wireless networks on the NBG6615 (Section 6.10 on page 64). 6.3 What You Should Know Every wireless network must follow these basic guidelines. • Every wireless client in the same wireless network must use the same SSID. The SSID is the name of the wireless network. It stands for Service Set IDentity. • If two wireless networks overlap, they should use different channels. Like radio stations or television channels, each wireless network uses a specific channel, or frequency, to send and receive information. • Every wireless client in the same wireless network must use security compatible with the AP. Security stops unauthorized devices from using the wireless network. It can also protect the information that is sent in the wireless network. 6.3.1 Wireless Security Overview The following sections introduce different types of wireless security you can set up in the wireless network. 6.3.2 MBSSID Traditionally, you need to use different APs to configure different Basic Service Sets (BSSs). As well as the cost of buying extra APs, there is also the possibility of channel interference. The NBG6615's MBSSID (Multiple Basic Service Set IDentifier) function allows you to use one access point to provide several BSSs simultaneously. You can then assign varying security modes to different SSIDs. Wireless devices can use different BSSIDs to associate with the same AP. 6.3.2.1 Notes on Multiple BSSs • A maximum of eight BSSs are allowed on one AP simultaneously. • You must use different keys for different BSSs. If two wireless devices have different BSSIDs (they are in different BSSs), but have the same keys, they may hear each other's communications (but not communicate with each other). • MBSSID should not replace but rather be used in conjunction with 802.1x security. NBG6615's User's Guide 55