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Troubleshooting
ȱ
SpectraGuard
®
ȱEnterpriseȱInstallationȱGuideȱ
99
ȱ
9.2
Sensor
ȱTroubleshootingȱ
ȱ
ȱ
Symptoms 
Diagnosis 
Solution 
LED1: Solid 
Orange
LED2: Fast 
Blink 
The Sensor did not 
receive a valid IP 
address via the DHCP. 
The DHCP Server is unreachable. Restore the 
connectivity to the DHCP Server or set a static IP 
address via the HTTP interface or the Config Shell 
CLI.
LED1: Solid 
Orange
LED2: Slow 
Blink 
Unable to connect to 
the Server. 
Ensure that the Server is running and is reachable 
from the network to which the Sensor is attached. If 
there is a firewall or a router with ACLs enabled 
between the Sensor and the Server, ensure that the 
traffic is allowed on UDP port 3851. 
If utilizing the Server ID based discovery, ensure 
that multicast is enabled on the network. 
Alternatively, if utilizing the Server IP based 
discovery, ensure that the DNS name ‘wifi-security-
server’ has been correctly entered on the DNS 
Server. Also ensure that the DNS Server IP 
addresses are either correctly configured on the 
Sensor, or are provided by the DHCP Server. 
LED1: Solid 
Orange
LED2: Solid 
Green
The Ethernet cable is 
loose. It is probably 
disconnected from the 
network. 
Ensure that the Ethernet cable is connected. 
LED1: Solid 
Orange
LED3: Solid 
Green
An error on the 
802.11 interface has 
occurred. 
Contact
support@airtightnetworks.com 
for more 
details. 
LED1: Solid 
Orange
LED4: Solid 
Green
A fatal Software error 
has occurred. 
Contact
support@airtightnetworks.com 
for more 
details.