To configure SNMP trap forwarding, specify the access credentials for the SNMP version you are using and then add the remote server as a trap destination.
About this task
PowerFlex Manager supports different SNMP versions, depending on the communication path and function. The following table summarizes the functions and supported SNMP versions:
Function
SNMP version
PowerFlex Manager receives traps from all devices, including iDRAC
v2
PowerFlex Manager receives traps from iDRAC devices only
v3
PowerFlex Manager forwards traps to the network management system
v2, v3
NOTE:SNMPv1 is supported wherever SNMPv2 is supported.
PowerFlex Manager can receive an SNMPv2 trap and forward it as an SNMPv3 trap.
SNMP trap forwarding configuration supports multiple forwarding destinations. If you provide more than one destination, all traps coming from all devices are forwarded to all configured destinations in the appropriate format.
PowerFlex Manager stores up to 5 GB of SNMP alerts. Once this threshold is exceeded,
PowerFlex Manager automatically purges the oldest data to free up space.
For SNMPv2 traps to be sent from a device to
PowerFlex Manager, you must provide
PowerFlex Manager with the community strings on which the devices are sending the traps. If during resource discovery you selected to have
PowerFlex Manager automatically configure iDRAC nodes to send alerts to
PowerFlex Manager, you must enter the community string used in that credential here.
For a network management system to receive SNMPv2 traps from
PowerFlex Manager, you must provide the community strings to the network management system. This configuration happens outside of
PowerFlex Manager.
For a network management system to receive SNMPv3 traps from
PowerFlex Manager, you must provide the
PowerFlex Manager engine ID, user details, and security level to the network management system. This configuration happens outside of
PowerFlex Manager.
Prerequisites
PowerFlex Manager and the network management system use access credentials with different security levels to establish two-way communication. Review the access credentials that you need for each supported version of SNMP. Determine the security level for each access credential and whether the credential supports encryption.
To configure SNMP communication, you need the access credentials and trap targets for SNMP, as shown in the following table:
If adding...
You must know...
SNMPv2
Community strings by which traps are received and forwarded
SNMPv3
User and security settings
Steps
Log in to
PowerFlex Manager.
On the menu bar, click
Settings, and click
Virtual Appliance Management.
On the
Virtual Appliance Management page, in the
SNMP Trap Configuration section, click
Edit.
To configure trap forwarding as SNMPv2, click
Add community string. In the
Community String box, provide the community string by which
PowerFlex Manager receives traps from devices and by which it forwards traps to destinations.
You can add more than one community string. For example, add more than one if the community string by which
PowerFlex Manager receives traps differs from the community string by which it forwards traps to a remote destination.
NOTE:An SNMPv2 community string that is configured in the credentials during discovery of the iDRAC or through management is also displayed here. You can create a new community string or use the existing one.
To configure trap forwarding as SNMPv3, click
Add User. Enter the
Username, which identifies the ID where traps are forwarded on the network management system. The username must be at most 16 characters. Select a
Security Level:
Security Level
Details
Description
authPassword
privPassword
Minimal
noAuthNoPriv
No authentication and no encryption
Not required
Not required
Moderate
authNoPriv
Messages are authenticated but not encrypted
(MD5 at least 8 characters)
Required
Not required
Maximum
authPriv
Messages are authenticated and encrypted
(MD5 and DES both at least 8 characters)
Required
Required
Note the current engine ID (automatically populated), username, and security details. Provide this information to the remote network management system so it can receive traps from
PowerFlex Manager.
You can add more than one user.
In the
Trap Forwarding section, click
Add Trap Destination to add the forwarding details.
In the
Target Address (IP) box, enter the IP address of the network management system to which
PowerFlex Manager forwards SNMP traps.
Provide the
Port for the network management system destination. The SNMP Trap Port is 162.
Select the SNMP
Version for which you are providing destination details.
In the
Community String/User box, enter either the community string or username, depending on whether you are configuring an SNMPv2 or SNMPv3 destination. For SNMPv2, if there is more than one community string, select the appropriate community string for the particular trap destination. For SNMPv3, if there is more than one user-defined, select the appropriate user for the particular trap destination.
Click
Save.
The
Virtual Appliance Management page displays the configured details as shown below:
Trap Forwarding <destination-ip>(SNMP v2 community string or SNMP v3 user)
NOTE:To configure nodes with
PowerFlex Manager SNMP changes, go to
Settings > Virtual Appliance Management, and click
Configure nodes for alert connector.
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