TUT:snmpget - Revision history

Wes at 23:36, 30 June 2011

2011-06-30T23:36:12Z

2009-02-24T13:19:38Z

Distinguish between SNMPv1/2c examples

2008-06-05T15:09:59Z

‎Basic Example

2008-05-22T08:44:15Z

changed version number in command examples from 1 to 2c since it gives error on execution.

2007-10-24T12:37:30Z

Timeouts

2007-08-02T14:42:09Z

Tweak layout of multiple-commands

← Older revision		Revision as of 23:36, 30 June 2011
Line 1:		Line 1:
−	The GET request is one of the basic operations of the SNMP protocol, retrieving the information associated with the specified OID from the target agent.	+	The [[GET]] request is one of the basic operations of the SNMP protocol, retrieving the information associated with the specified OID from the target agent. The [[snmpget]] application implements this protocol operation.

	== Basic Example ==		== Basic Example ==

@@ Line 40: / Line 40: @@
 == SNMP Versions and Administration ==
-Both the original SNMPv1 and the later SNMPv2c use the clear-text "community string" as a de-facto password, to indicate whether a particular request should be authorised or not.  The SNMPv2c equivalent of the first example would be almost identical:
+Both the original SNMPv1 and the later SNMPv2c use the clear-text "community string" as a de-facto password, to indicate whether a particular request should be authorised or not.  The SNMPv1 equivalent of the first example would be almost identical:
-   % snmpget -v '''2c''' -c demopublic test.net-snmp.org sysUpTime.0
+   % snmpget -v '''1''' -c demopublic test.net-snmp.org sysUpTime.0
    SNMPv2-MIB::sysUpTime.0 = Timeticks: (586731977) 67 days, 21:48:39.77

← Older revision		Revision as of 15:09, 5 June 2008
Line 12:		Line 12:


−	In this example, ''test.net-snmp.org'' is the host name of the agent to query, using version 1 of the SNMP protocol, and the community string "demopublic". The OID being requested is <tt>sysUpTime.0</tt> from the MIB module <tt>SNMPv2-MIB</tt>.	+	In this example, ''test.net-snmp.org'' is the host name of the agent to query, using version 2 of the SNMP protocol, and the community string "demopublic". The OID being requested is <tt>sysUpTime.0</tt> from the MIB module <tt>SNMPv2-MIB</tt>.

	The same basic command can also be used to retrieve a single element from within a table:		The same basic command can also be used to retrieve a single element from within a table:

@@ Line 8: / Line 8: @@
 and what information is actually required:
-   % snmpget -v 1 -c demopublic test.net-snmp.org SNMPv2-MIB::sysUpTime.0
+   % snmpget -v 2c -c demopublic test.net-snmp.org SNMPv2-MIB::sysUpTime.0
    SNMPv2-MIB::sysUpTime.0 = Timeticks: (586731977) 67 days, 21:48:39.77
@@ Line 16: / Line 16: @@
 The same basic command can also be used to retrieve a single element from within a table:
-   % snmpget -v 1 -c demopublic test.net-snmp.org '''SNMPv2-MIB::sysORDescr.1'''
+   % snmpget -v 2c -c demopublic test.net-snmp.org '''SNMPv2-MIB::sysORDescr.1'''
    SNMPv2-MIB::sysORDescr.1 = STRING: The Mib module for SNMPv2 entities
@@ Line 27: / Line 27: @@
 equally well be given as:
-   % snmpget -v 1 -c demopublic test.net-snmp.org '''sysUpTime.0'''
+   % snmpget -v 2c -c demopublic test.net-snmp.org '''sysUpTime.0'''
    SNMPv2-MIB::sysUpTime.0 = Timeticks: (586731977) 67 days, 21:48:39.77<BR>
-   % snmpget -v 1 -c demopublic test.net-snmp.org '''sysORDescr.1'''
+   % snmpget -v 2c -c demopublic test.net-snmp.org '''sysORDescr.1'''
    SNMPv2-MIB::sysORDescr.1 = STRING: The Mib module for SNMPv2 entities

← Older revision		Revision as of 12:37, 24 October 2007
Line 85:		Line 85:
	SNMPv3 reports problems in the same way as SNMPv2c.		SNMPv3 reports problems in the same way as SNMPv2c.

		+	=== Timeouts ===
		+
		+	Another possible type of failure is that the request may timeout
		+	without returning any information at all.
		+	Assuming that the remote system is actually running an SNMP agent,
		+	the most likely cause of this would be the access control settings
		+	of the remote agent.
		+	See the FAQ entries
		+	[[FAQ:Applications 04\|Why doesn't the agent respond?]] and
		+	[[FAQ:Agent 23\|How do I configure access control?]] for further details.

	== Multiple Values ==		== Multiple Values ==