Technical data

13 Configuring SNMP
13.1 Key Concepts ............................................... 13–1
13.1.1 Understanding How SNMP Operates. . . ....................... 13–2
13.1.2 Ensuring Access to Mounted Data ............................ 13–3
13.2 Managing the SNMP Service . . . ................................ 13–4
13.3 Verifying the SNMP Installation ................................ 13–4
13.3.1 SNMP Executable and Command Files . ....................... 13–5
13.4 Configuring SNMP . . . ........................................ 13–6
13.4.1 Initial SNMP Configuration . ................................ 13–6
13.4.2 Displaying the Current SNMP Configuration ................... 13–8
13.4.3 SNMP Options . . . ........................................ 13–9
13.4.3.1 Using Logical Names to Configure SNMP ................... 13–9
13.4.3.2 Dynamic Options ...................................... 13–9
13.4.3.3 Modifying the Configuration File . . . ....................... 13–10
13.4.3.4 SNMP Configuration Options............................. 13–10
13.5 SNMP Log Files ............................................. 13–20
13.6 Solving SNMP Problems ...................................... 13–21
13.6.1 Multiple SNMP Processes Displayed for SHOW SYSTEM
Command ............................................... 13–21
13.6.2 Problems Starting and Stopping SNMP Processes . ............... 13–22
13.6.3 Restarting MIB Subagent Processes . . . ....................... 13–22
13.6.4 Obtaining Trace Log Messages ............................... 13–22
13.6.5 Processing Set Requests and Traps ........................... 13–23
13.6.5.1 Enabling Set Request Processing and Authentication Traps ..... 13–24
13.6.5.2 Displaying Configuration Information ...................... 13–24
13.6.5.2.1 Specifying Location and Contact Information ............. 13–25
13.6.5.2.2 Verifying Community Information ...................... 13–26
13.6.5.3 Enabling SNMP Version 1 Traps . . . ....................... 13–26
13.6.6 Solving Management Client Response Problems . . ............... 13–27
13.6.6.1 Solving Timeout Problems with SNMP Subagents ............. 13–29
13.6.7 Disabling SNMP OPCOM Messages . . . ....................... 13–29
Part 4 Configuring Network Applications
14 Configuring and Managing TELNET
14.1 Managing TELNET . . ........................................ 14–1
14.1.1 TELNET Startup and Shutdown ............................. 14–1
14.1.2 Managing TELNET with Logical Names ....................... 14–2
14.1.3 Setting Up User Accounts . . ................................ 14–2
14.1.4 Creating and Deleting Sessions .............................. 14–2
14.1.5 Displaying Login Messages . ................................ 14–3
14.1.6 TELNET Client (TN3270) . . ................................ 14–3
14.2 Solving TELNET Problems .................................... 14–3
14.2.1 TELNET Characteristics That Affect Performance ............... 14–4
14.2.2 Requests That Cannot Be Satisfied ........................... 14–4
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