Adding SNMP Functions to CBAS
SNMP is a network based protocol that allows communication with and control of various network devices. Battery backups, switches, and servers are likely candidates to support SNMP. CBAS has the capability to talk to SNMP devices and provide you valuable information about your system and device. This feature will require a CBAS and license upgrade if you are using CBAS 8.X.XX or lower.
The basic steps are as follows:
· Get the IP address of the device
· Get a copy of your products MIB file from the manufacturer
· Make sure you have software to read an MIB file (we recommend ServersCheck MIB Browser )
· Create an SNMP channel in CBAS
· Create an SNMP controller in CBAS
· Add points and configure them
In this example, we will be using a standard UPS device with an add-on Ethernet card.
Once installed and your network connected to the UPS, you will need the IP address of the device. In our case, software was provided to locate the UPS on the network and manually assign an IP. Next, you will need a copy of the MIB file for the device. The MIB was provided on the software disk for our device as well as being available as a free download from the manufacturer’s site. (Most MIB’s will be free downloads from the manufacturer) Next, install and start the MIB browser software and open your MIB file. This will list all of the functions that can be passed between the devices using the SNMP protocol.
Note: CBAS only supports the GET command at this time meaning CBAS only monitors or receives data. We do not currently support TRAPS or WRITING of the SNMP protocol.
Once you have located the point you would like to monitor, you will need to make note of the OID number from the MIB browser.
In editor mode of CBAS, go to Hardware View and Add A Channel – Name your channel and configure as SNMP. Next, select the newly created SNMP channel and select Controllers and Add a SNMP Controller – name your controller and Configure as SNMP and lastly, enter the IP address obtained at the beginning.
Note: If you do not know the IP address at the time of programming, you can add it later by going to the SNMP controller in the hardware view, select Program and enter the address.
Now we are ready to add points to our controller. Select your SNMP device through the Hardware menu and click on Points – Add A SNMP Point sand name your point and select the point type and add. Now select the point to bring up the Point Program Screen and click the SNMP box in the lower left hand corner. This will bring up an SNMP Description box and click Edit Address box in the lower right corner. The Community in most cases will be Public unless you have manually configured the device you are trying to talk to. The OID number should match the point you selected through the MIB browser and adjust the update interval accordingly. Now you are ready to exit CBAS Editor Mode and enter into CBAS Real Mode to check your additions.
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