snmpget - Online in the Cloud

PROGRAM:

NAME

snmpget - communicates with a network entity using SNMP GET requests

SYNOPSIS

snmpget [COMMON OPTIONS] [-Cf] AGENT OID [OID]...

DESCRIPTION

snmpget is an SNMP application that uses the SNMP GET request to query for information on
a network entity. One or more object identifiers (OIDs) may be given as arguments on the
command line. Each variable name is given in the format specified in variables(5).

OPTIONS

-Cf If -Cf is not specified, some applications (snmpdelta, snmpget, snmpgetnext and
snmpstatus) will try to fix errors returned by the agent that you were talking to
and resend the request. The only time this is really useful is if you specified a
OID that didn't exist in your request and you're using SNMPv1 which requires "all
or nothing" kinds of requests.

In addition to this option, snmpget takes the common options described in the snmpcmd(1)
manual page. Note that snmpget REQUIRES an argument specifying the agent to query and at
least one OID argument, as described there.

EXAMPLES

The command:

snmpget -c public zeus system.sysDescr.0

will retrieve the variable system.sysDescr.0 from the host zeus using the community string
public :

system.sysDescr.0 = "SunOS zeus.net.cmu.edu 4.1.3_U1 1 sun4m"

If the network entity has an error processing the request packet, an error packet will be
returned and a message will be shown, helping to pinpoint in what way the request was
malformed. If there were other variables in the request, the request will be resent
without the bad variable.

Here is another example. The -c and -v options are defined in the snmpcmd(1) manual page.
(Note that system.sysUpTime is an incomplete OID, as it needs the .0 index appended to
it):

snmpget -v1 -Cf -c public localhost system.sysUpTime system.sysContact.0

This example will return the following:

Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
This name doesn't exist: system.sysUpTime

Similarly, the command:
snmpget -v1 -c public localhost system.sysUpTime system.sysContact.0

Will return:

Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
This name doesn't exist: system.sysUpTime

system.sysContact.0 = STRING: root@localhost

With the -Cf flag specified the application will not try to fix the PDU for you.

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