FLEX-6000 Signature Series – Maestro User Guide
Page 168
Copyright 2019 FlexRadio Systems. All Rights Reserved.
36 TROUBLESHOOTING TIPS
In the event that you encounter problems running your Maestro, please use the following
troubleshooting tips. If these tips do not solve the problem, please submit a HelpDesk support ticket
for assistance from FlexRadio Systems.
36.1 FLEX-6000 DOES NOT SHOW UP IN THE RADIO CHOOSER
If the FLEX-6000 does not show up in the Select Radio screen, the most probable fault is network
related. There are several network components that can be at fault.
36.1.1 Physical Layer Issues
After connecting your FLEX-6000 to either a network router, an Ethernet switch or directly connected
to your Maestro, make sure the FLEX-6000 is properly connected at the network physical layer.
Looking at the back of the FLEX-6000 at the Ethernet connection, below the connector on the left
you will find the link state LED. It should be illuminated yellow when the radio is powered on. If not,
you do not have a physical layer connection and you should check or try the following:
• Make sure the Ethernet cable is plugged all the way in on both ends. A click should be heard
when it is seated completely.
• Make sure the network router, Maestro or Ethernet switch is powered on before powering
up the FLEX-6000.
• Most network routers and Ethernet switches will have their own link state LEDs associated
with the port to which the FLEX-6000 is connected. Make sure the link state LED for the port
connected to the FLEX-6000 is illuminated. If the port connected to the FLEX-6000 is blinking
at a steady rate, this can indicate that the port is partitioned. Please refer to your network
hardware manual for additional information
• Power cycle the FLEX-6000 to re-initialize the Ethernet port.
36.1.2 Firewalls Preventing Network Access from the FLEX-6000
The FLEX-6000 broadcasts a network discovery packet (message) that is received by Maestro.
Maestro uses this information to populate the Select Radio screen. If the FLEX-6000 is not displayed
in the Select Radio screen, or, after connecting to a FLEX-6000 there is no spectrum displayed, a
firewall running on a network router, which is referred to as a “hardware” firewall, may be the source
of the problem.
The action to resolve this condition is to modify the firewall configuration to allow access from any
host on your local network to Maestro by allowing all TCP and UDP port access to Maestro.
36.1.3 MAC Address Filtering
Some hardware firewall / router / Wireless access point products have a feature that restricts access
to the network based on the connected device’s media access control (MAC) address. If this feature
has been enabled, failure to add the FLEX-6000 to the permitted MAC address access control list will
prevent the FLEX-6000 from showing up in the Select Radio screen.
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