Cisco Systems OL-11291-01 manual Setting Snmp Environment Variables in Solaris

Chapter 4 Modifying IPM Components

Setting SNMP Timeout and Retry Environment Variables

The following environment variables control SNMP timeouts and retries:

Variable	Description
IPM_SNMP_TIMEOUT	Time in seconds for the IPM server to wait for a
	response. The valid range is 1 to 60 seconds. The
	default is 5 seconds.
IPM_SNMP_RETRIES	Number of times the IPM server tries again to send
	a request that has timed out while waiting for a
	response. The valid range is 1 to 5 retries. The
	default is 3 retries.
IPM_SNMP_TIMEOUT_	Time in seconds to add to the current time-out value
INCREMENT	for subsequent retries. The valid range is 1 to 60
	seconds. The default is 5 seconds.

Using the default values, IPM waits 50 seconds before determining that an SNMP request cannot be completed—5 seconds for the initial timeout, followed by 3 retries of 10, 15, and 20 seconds each.

If excessive SNMP timeouts are a problem in your network, try slightly increasing the timeout and timeout increment values until the problem is eliminated.

To set new values for these variables, use one of the following procedures:

•Setting SNMP Environment Variables in Solaris

•Setting SNMP Environment Variables in Windows

Setting SNMP Environment Variables in Solaris

To set SNMP environment variables in Solaris, use the following procedure:

Step 1 Make sure the IPM server is not running. You must set these environment variables while the IPM server is not running. To stop the IPM server, enter:

#cd /opt/CSCOipm/bin

#./ipm stop

Step 2 On your IPM server, use a text editor to open the ipm.env file. In Solaris, the default directory for the ipm.env file is /opt/CSCOipm/etc.

Note The default directory for installing IPM is /opt. If you installed IPM in a different directory, specify that directory instead of /opt.

	User Guide for Internetwork Performance Monitor
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