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GadgetGateway Startup Guide
Note: Because the routers are connected between the same two channels a loop will be
created. The automatic loop detection on the routers will detect the loop and one of the
routers will stop forwarding. As a result the serial console will print out messages indicat-
ing such. You may disregard these messages as the routers will automatically recover once
in twin mode.
6. On router A go to the Twin Mode Configuration Menu and enter the IP address and port
of router B in the Twin configuration data. This should be the same IP address and port
used for 852 communications by router B. This step uniquely identifies B as Router A's
Twin.
7. On router B go to the Twin Mode Configuration Menu and enter the IP address and port
of router A in the Twin configuration data. This should be the same IP address and port
used for 852 communications by router A. This step uniquely identifies A as Router B's
Twin.
8. On router B go to the Twin Mode Configuration Menu and perform a manual sync from
its twin A. Router B should now display router A's 709.1 (IP and non IP) subnet/node
addresses. Next perform a manual sync to B's twin A. Router A should now display
router B's 709.1 (IP and non IP) subnet/node addresses. To verify go to router A's Twin
Mode Configuration Menu.
9. On router B go to the Twin Mode Configuration Menu and enable twin mode using the
appropriate option.
10.On router A go to the Twin Mode Configuration Menu and enable twin mode using the
appropriate option.
11.The routers are now act as a redundant pair. Go to the Status submenu of the Twin
Mode Configuration menu to observe operational state and failure statistics.
Note: Save configuration data after completing the configuration steps. Manually entered
configuration data will be lost on a reboot unless it is saved first. To save configuration
data to flash Select [S] from the Main Menu and press ENTER. (See Section 4.3.4)
The monitoring application on each router is now ready to be commissioned. Repeat the
following steps for each router.
12.Drag a new device shape onto the LonMaker drawing. The device should be attached
to the channel on the LON side of the GG router. Commission this device. When Twin
mode is enabled service pin #2 on the GG router is dedicated to the monitoring applica-
tion and service pin #1 is dedicated to the GG router.
3.9Configuring GadgetGateways in
Redundant Twin Mode.
3-15
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