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Configure Tab
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NXA-WAPZD1000 ZoneDirector Smart WLAN Controller
addresses, disrupting network connections or preventing client devices from accessing network services. It
could also be used by hackers to compromise network security. Typically, rogue DHCP servers are network
devices (such as routers) with built-in DHCP server capability that has been enabled (often, unknowingly) by
users.
The NXA-WAPZD1000 has a rogue DHCP server detection feature that can help you prevent connectivity and
security issues that rogue DHCP servers may cause. When this feature is enabled, the NXA-WAPZD1000
scans the network every five seconds for unauthorized DHCP servers and generates an event every time it
detects a rogue DHCP server.
The conditions for detecting rogue DHCP servers depend on whether the NXA-WAPZD1000’s own DHCP
server is enabled:
If the built-in DHCP server is enabled, the NXA-WAPZD1000 will generate an event when it
detects any other DHCP server on the network.
If the built-in DHCP server is disabled, the NXA-WAPZD1000 will generate events when it detects
two or more DHCP servers on the network. You will need to find these DHCP servers on the
network, determine which ones are rogue, and then disconnect them or shut down the DHCP
service on them.
To enable rogue DHCP server detection on the NXA-WAPZD1000:
1.
Go to Configure > Services.
2.
In the Rogue DHCP Server Detection section, select the Enable rogue DHCP server detection check box.
3.
Click the Apply button that is in the same section.
Regularly checking the All Events/Activities page (page 39) periodically to determine if the
NXA-WAPZD1000 has detected any rogue DHCP servers is recommended. If the NXA-WAPZD1000
detected any rogue DHCP server, you will see the following event on the All Events/Activities page:
Rogue DHCP server on [IP_address] has been detected
If the check box is cleared, the NXA-WAPZD1000 will not generate these events.
Active Client Detection
Enabling active client detection allows the NXA-WAPZD1000 to trigger an event when a client with a low
signal strength joins the network.
To enable active client detection:
1.
Go to Configure > Services, and scroll down to the Active Client Detection section.
2.
Click the check box next to Enable client detection... and enter an RSSI threshold, below which an event
will be triggered.
3.
Click Apply to save your changes.
A low severity event is now triggered each time a client connects with an RSSI lower than the threshold value
entered. Go to Monitor > All Events/Activities (page 39) to monitor these events.
Summary of Contents for NXA-WAPZD1000
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Page 12: ...viii NXA WAPZD1000 ZoneDirector Smart WLAN Controller Table of Contents ...
Page 16: ...Introduction 12 NXA WAPZD1000 ZoneDirector Smart WLAN Controller ...
Page 130: ...Blocking Client Devices 126 NXA WAPZD1000 ZoneDirector Smart WLAN Controller ...
Page 146: ...Smart Mesh Networking Best Practices 142 NXA WAPZD1000 ZoneDirector Smart WLAN Controller ...
Page 153: ...Troubleshooting 149 NXA WAPZD1000 ZoneDirector Smart WLAN Controller ...