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CentOS 7.0 - man page for snmpdelta (centos section 1)

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SNMPDELTA(1)				     Net-SNMP				     SNMPDELTA(1)

NAME
       snmpdelta - Monitor delta differences in SNMP Counter values

SYNOPSIS
       snmpdelta  [  COMMON  OPTIONS ] [-Cf] [ -Ct ] [ -Cs ] [ -CS ] [ -Cm ] [ -CF configfile ] [
       -Cl ] [ -Cp period ] [ -CP Peaks ] [ -Ck ] [ -CT ] AGENT OID [ OID ... ]

DESCRIPTION
       snmpdelta will monitor the specified integer valued OIDs, and report changes over time.

       AGENT identifies a target SNMP agent, which is instrumented to monitor the given  objects.
       At  its	simplest,  the AGENT specification will consist of a hostname or an IPv4 address.
       In this situation, the command will attempt communication with the agent,  using  UDP/IPv4
       to  port 161 of the given target host. See snmpcmd(1) for a full list of the possible for-
       mats for AGENT.

       OID is an object identifier which uniquely identifies the object type within a MIB. Multi-
       ple OIDs can be specified on a single snmpdelta command.

OPTIONS
       COMMON OPTIONS
	       Please  see snmpcmd(1) for a list of possible values for COMMON OPTIONS as well as
	       their descriptions.

       -Cf     Don't fix errors and retry the request.	Without this  option,  if  multiple  oids
	       have been specified for a single request and if the request for one or more of the
	       oids fails, snmpdelta will retry the request so that data for oids apart from  the
	       ones  that  failed  will still be returned.  Specifying -Cf tells snmpdelta not to
	       retry a request, even if there are multiple oids specified.

       -Ct     Flag will determine time interval from the monitored entity.

       -Cs     Flag will display a timestamp.

       -CS     Generates a "sum count" in addition to the individual instance counts.	The  "sum
	       count" is the total of all the individual deltas for each time period.

       -Cm     Prints the max value ever attained.

       -CF configfile
	       Tells  snmpdelta to read it's configuration from the specified file.  This options
	       allows the input to be set up in advance rather than having to be specified on the
	       command line.

       -Cl     Tells snmpdelta to write it's configuration to files whose names correspond to the
	       MIB instances monitored.  For example, snmpdelta -Cl localhost  ifInOctets.1  will
	       create a file "localhost-ifInOctets.1".

       -Cp     Specifies  the  number  of  seconds  between polling periods.  Polling constitutes
	       sending a request to the agent. The default polling period is one second.

       -CP peaks
	       Specifies the reporting period in number of polling periods.  If  this  option  is
	       specified,  snmpdelta  polls  the agent peaks number of times before reporting the
	       results.  The result reported  includes	the  average  value  over  the	reporting
	       period.	In  addition,  the  highest  polled  value within the reporting period is
	       shown.

       -Ck     When the polling period (-Cp) is an increment of 60 seconds and the  timestamp  is
	       displayed in the output (-Cs), then the default display shows the timestamp in the
	       format hh:mm mm/dd. This option causes the timestamp format to be hh:mm:ss mm/dd.

       -CT     Makes snmpdelta print its output in tabular form.

       -Cv vars/pkt
	       Specifies the maximum number of oids allowed to be packaged in a single PDU.  Mul-
	       tiple  PDUs can be created in a single request. The default value of variables per
	       packet is 60.  This option is useful if a request response  results  in	an  error
	       becaues the packet is too big.

       Note  that  snmpdelta REQUIRES  an argument specifying the agent to query and at least one
       OID argument, as described in the snmpcmd(1) manual page.

EXAMPLES
       $ snmpdelta -c public -v 1 -Cs localhost IF-MIB::ifInUcastPkts.3 IF-MIB::ifOutUcastPkts.3
       [20:15:43 6/14] ifInUcastPkts.3 /1 sec: 158
       [20:15:43 6/14] ifOutUcastPkts.3 /1 sec: 158
       [20:15:44 6/14] ifInUcastPkts.3 /1 sec: 184
       [20:15:44 6/14] ifOutUcastPkts.3 /1 sec: 184
       [20:15:45 6/14] ifInUcastPkts.3 /1 sec: 184
       [20:15:45 6/14] ifOutUcastPkts.3 /1 sec: 184
       [20:15:46 6/14] ifInUcastPkts.3 /1 sec: 158
       [20:15:46 6/14] ifOutUcastPkts.3 /1 sec: 158
       [20:15:47 6/14] ifInUcastPkts.3 /1 sec: 184
       [20:15:47 6/14] ifOutUcastPkts.3 /1 sec: 184
       [20:15:48 6/14] ifInUcastPkts.3 /1 sec: 184
       [20:15:48 6/14] ifOutUcastPkts.3 /1 sec: 184
       [20:15:49 6/14] ifInUcastPkts.3 /1 sec: 158
       [20:15:49 6/14] ifOutUcastPkts.3 /1 sec: 158
       ^C
       $ snmpdelta -c public -v 1 -Cs -CT localhost IF-MIB:ifInUcastPkts.3 IF-MIB:ifOutcastPkts.3
       localhost ifInUcastPkts.3     ifOutUcastPkts.3
       [20:15:59 6/14]	   184.00    184.00
       [20:16:00 6/14]	   158.00    158.00
       [20:16:01 6/14]	   184.00    184.00
       [20:16:02 6/14]	   184.00    184.00
       [20:16:03 6/14]	   158.00    158.00
       [20:16:04 6/14]	   184.00    184.00
       [20:16:05 6/14]	   184.00    184.00
       [20:16:06 6/14]	   158.00    158.00
       ^C

       The following example uses a number of options. Since the Cl option is specified, the out-
       put is sent to a file and not to the screen.

       $ snmpdelta -c public -v 1 -Ct -Cs -CS -Cm -Cl -Cp 60 -CP 60
	 interlink.sw.net.cmu.edu .1.3.6.1.2.1.2.2.1.16.3 .1.3.6.1.2.1.2.2.1.16.4

SEE ALSO
       snmpcmd(1), variables(5).

V5.7.2					   25 Jul 2003				     SNMPDELTA(1)


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