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Configuring the SNMP Agent

The SNMP agent monitors host resources and the SRC components that use the host resources. The SNMP agent obtains most of its information from the directory. A local configuration file primarily stores bootstrapping information that cannot be stored in the directory.

The SDX SNMP agent cannot act as a master agent, and it can communicate with master agents only by using the Agent Extensibility (AgentX) protocol. The SDX SNMP agent runs as a subagent to an installed AgentX master agent, such as the Net-SNMP agent. This setup means that SNMP requests to the master agent for SDX MIB objects (typically on port 161) are automatically redirected to the SDX SNMP agent (on its configured port).

You can use the local configuration tool to configure the SNMP agent.

For information about using the local configuration tool, see Chapter 37, Configuring Local Properties.

For more information about the SNMP agent, see SRC-PE Monitoring and Troubleshooting Guide, Chapter 9, Configuring the SNMP Traps on a Solaris Platform.

To configure the SNMP agent:

  1. On the SAE host, log in as root or as an authorized nonroot admin user.
  2. Start the local configuration tool from the SNMP agent installation directory.
  3. /opt/UMC/agent/etc/config -l
    
    
    

The SNMP Agent screen appears.

  1. Configure the SNMP agent by completing the fields in the tabs of the SNMP Agent screen. These sections describe the fields for each tab:
  1. Click OK when you have completed the configuration, or click Cancel to cancel all changes made since you started the tool.
  2. Restart the SNMP agent for the changes to take effect.

See Starting the SDX SNMP Agent.

Configuring Directory Connection Parameters

Use the Main tab to configure directory connection parameters.

Configuration Directory URL

Backup Configuration Directory URLs

Directory Base DN

Configuration Directory Base DN

Configuration Directory Authentication DN

Configuration Directory Password

Connect Timeout [s]

Configuring SNMP Agent Logging

Use the Loggers tab shown in Figure 24 to configure the SNMP agent logging facility.

For more information about the logging attributes and about cleaning the logs, see SRC-PE Monitoring and Troubleshooting Guide, Chapter 4, Configuring Logging for SRC Components on a Solaris Platform.


Figure 24: Logging Tab of SNMP Agent Local Configuration Tool

Severity Levels

Log filters let you specify the level of severity for the event messages to be saved in log files. The event filter provides 128 levels of severity, numbered 1-127. A higher number indicates a higher level of severity. Common levels of severity also have a specific name, as shown in Table 23.

Enable info-level logging only when you are initially setting up the SRC software or when you are troubleshooting. Do not leave info-level logging on during normal network operation. Do not enable debug logs unless you have been advised to do so by the Juniper Networks Technical Assistance Center. During normal network operations, enable error-level logging.



Table 23: Named Severity Levels  
Name
Severity Level

logmin

1

debug

10

info

20

notice

30

warning

40

error

50

crit

60

alert

70

emerg

80

panic

90

logmax

127


Error Log Filter

/severity name-

or

/severity number-

Error Log File

Error Rollover File

Error Log Rollover Size

Info Log Filter

/severity name-

or

/severity number-

Info Log File

Info Log Rollover File

Info Log Rollover Size

Debug Log Filter

/severity name-

or

/severity number-

Debug Log File

Debug Log Rollover File

Debug Log Rollover Size

Error Syslog Filter

/severity name-

or

/severity number-

Error Syslog Hostname

Info Syslog Filter

/severity name-

or

/severity number-

Info Syslog Hostname

Configuring Communication with the Master Agent

Use the SNMP tab shown in Figure 25 to configure communication with the SNMP master agent.

NOTE: If you change any of the parameters with the local configuration tool, you must restart the SDX SNMP agent.



Figure 25: SNMP Tab of SNMP Agent Local Configuration Tool

Master Agent Port

Master Agent IP Address

Configuring Other SDX SNMP Agent Parameters

Use the Other tab, shown in Figure 26, to configure parameters for the Java Runtime Environment (JRE), trap history, and the watchdog program.


Figure 26: Other Tab of SNMP Agent Local Configuration Tool

Java Runtime Environment

Java Heap Size

Trap History Table Size

WatchDog Retries

Watchdog

Sysman Agent IOR Directory


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