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NOTE Before you configure redundancy, make sure that only the primary physical link is connected to the network. If a backup port is connected before you configure and enable redundancy, you create a data loop. To open the main Repeater Redundancy window: from the icon: 1. Click on the appropriate device icon to display the icon menu. 2. Drag down to Redundancy and release. from the Hub View: 1. Click on to display the Device menu. 2. Drag down to Redundancy and release. from the command line (stand-alone mode): 1. From the appropriate directory, type: Repeater Redundancy spmarun r4red NOTES The spmarun script invoked first in the above command temporarily sets the environment variables SPMA needs to operate; be sure to use this command any time you launch an application from the command line. The script is automatically invoked when you launch the application from the icon menu or from within the Hub View. If you wish to change any redundancy settings, be sure to use a community name with at least Read/Write access. If you only wish to view current settings, a community name with Read access will be sufficient. If there is a hostname mapped to your SEHI’s IP address, you can use in place of to launch this application. Please note, however, that the hostname is not the same as the device name which can be assigned via Local Management and/or SPMA; you cannot use the device name in place of the IP address. The main Repeater Redundancy window, Figure 4-1, will appear. Figure 4-1. The Repeater Redundancy Window Configuring a Redundant Circuit To establish or edit a redundant circuit: 1. In the Repeater Redundancy window, click mouse button 1 on the repeater . The Channel X Redundancy window, Figure 4-2, will appear. interface for which you would like to edit or establish a redundant circuit, then click Setting Network Circuit Redundancy Repeater Redundancy Figure 4-2. The Channel X Redundancy Window 2. appropriate circuit and click . The Change Circuit window, Figure 4-3, will appear. If you want to change a circuit’s name or the number of retries, highlight the Figure 4-3. The Change Circuit Window In the appropriate boxes, enter a new circuit name (up to 16 alphanumeric characters) and/or number of retries; Retries is the number of times the SEHI tests the connection to the first IP address listed in the Circuit Addresses window before it gives up and moves on to the next address. The valid range Setting Network Circuit Redundancy Repeater Redundancy of retries you can enter into this field is 0-16. Be sure to click on before exiting the window to save your changes. 3. With the appropriate Circuit Name highlighted, click to access the Add Circuit Address window, Figure 4-4. Figure 4-4. The Add Circuit Address Window In this window you can define IP addresses of up to 8 devices on the network. These addresses identify the destination nodes that the SEHI looks for to determine the status of the active link. If the device determines that it has lost the link with the first address in the Circuit Addresses list, it checks the link status with the next address. If it can’t establish a link with any address in the list, the device switches traffic to a backup port. To add a circuit address, enter a valid network IP address and then click . Repeat as necessary to add additional addresses. Click to exit the window. The SEHI will poll the circuit addresses in the order they were entered. a. NOTE b. To delete a circuit address, highlight the address in the Circuit Addresses list in the Channel X Redundancy window, and click 4. The bottom half of the Channel X Redundancy window is where you define the primary port and backup ports for the highlighted Circuit Name. The Status of the Circuit Name must be set to Disabled when you configure the port list. Using the Module and Port boxes and the Add button, enter up to 8 ports to define the circuit. 5. By default, all ports are created as Inactive Backup ports.You should set one port to be the Primary port and one port to be the Active port. Typically, the same port is both Primary and Active but this is not required.To select primary and active ports, click button 1 on a port to highlight it then click ; select the same or another port and click . Only one port can be the Primary port and only one port can be Active at any one time; if you set a . Setting Network Circuit Redundancy Repeater Redundancy different port to be Primary or Active, the original Primary or Active port automatically resets to Backup/Inactive. NOTE All backup ports will be disabled as soon as you enable the redundant circuit. The ports remain disabled until they become active due to primary port failure. If you disable the redundant circuit, you must manually enable each backup port in that circuit. 6. Once you have configured all the ports that compose the redundant circuit, enable the circuit by clicking . NOTE Be sure to make all physical conne...

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