Content Comparison

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• IP (type: string): The IP of the machine sending the trap.
• Port (type: UShort): the port used by the trap to communicate. Reserved SNMP trap port: 162.
• SecurityName (type: string): the SNMP Security Name (only available for SNMP v3).
• VarBind (type: List<KeyValuePair<Object,Object>>): the Oid/OctetString variable pairs of the SNMP trap.
  
  

SNMP Request (SNMP Get)

This activity sends a SNMP request to a given SNMP server.

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• Authentication Digest: is the protocol used for identifying the integrity of a received message (ensures that a packet has not been tampered with during transit). This protocols are used only for SNMP Version 3. Flowster Studio provides MD5, SHA1 and None as options:
  • MD5: authentication based on HMAC-MD5 algorithm.
  • SHA1: authentication based on HMAC-SHA1 algorithm.
  • None: no authentication protocol.
• CommunityName (type: string): the community name (e.g. public, private). A community name acts as a password that is shared, typically, by multiple SNMP agents and one or more SNMP managers. 
• IP (type: string): The IP of the machine when where the SNMP device is located.
• Port (type: UShort): the UDP communication port. Default value: 161.
• Privacy Protocols: the privacy protocol for the SNMP Version 3. Flowster Studio provides AES, DES, TripleDes and None as options. The AES and 3-DES Encryption Support for SNMP Version 3 feature adds Advanced Encryption Standard (AES) 128-bit encryption in compliance with RFC 3826 extensions. 
  • AES encryption uses the Cipher Feedback (CFB) mode with encryption key sizes of 128, 192, or 256 bits.
    
  • 3DES encryption uses the 168-bit key size for encryption.
• SNMP Version: the version for the SNMP device where the request will be sent. Flowster Studio provides v1, v2 and v3 as options.
• Timeout: the UDP communication timeout. Default value: 2000
• Try (type: integer): the number of retries. Default value: 1
• Username (type: string): the SNMP Security Name (only available for SNMP v3).
• Password 1 (type: string): the first password for SNMP v3
• Password 2 (type: string): the second password for SNMP v3
• Password Binding 1 (type: string): the variable containing the encrypted first password for SNMP v3
• Password Binding 2 (type: string): the variable containing the encrypted second password for SNMP v3
• VarBind: the OID(s) for the SNMP packet.
  

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• In our example OIDs for Battery Status, Remaining Battery and Battery Temperature were used:
  
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The Read Only Output variable are the possible output values that the activity will provide:

• OutputSNMPOIDs  (type: List<String>): the list of SNMP OIDs.
• OutputSNMPPackets  (type: List<Dictionary<String,String>>): the list of SNMP packets.
• OutputSNMPTypes  (type: List<String>): the list of SNMP types.
• OutputSNMPValues  (type: List<String>): the list of SNMP values.
• OutputSNMPValueTypes  (type: List<String>): the list of SNMP value types.

Execution: the activity will sent a request to the specified SNMP device and if the device responds, will retrieve the values for the given OIDs:

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SNMP Trigger

This activity sets a SNMP trap trigger.

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