SNMPWALK(1)			   Net-SNMP			   SNMPWALK(1)



NAME
       snmpwalk  -  retrieve a subtree of management values using SNMP GETNEXT
       requests

SYNOPSIS
       snmpwalk [APPLICATION OPTIONS] [COMMON OPTIONS] [OID]

DESCRIPTION
       snmpwalk is an SNMP application that  uses  SNMP  GETNEXT  requests  to
       query a network entity for a tree of information.

       An  object identifier (OID) may be given on the command line.  This OID
       specifies which portion of the object identifier space will be searched
       using  GETNEXT  requests.  All variables in the subtree below the given
       OID are queried and their values presented to the user.	Each  variable
       name is given in the format specified in variables(5).

       If  no OID argument is present, snmpwalk will search the subtree rooted
       at SNMPv2-SMI::mib-2 (including any MIB object values  from  other  MIB
       modules,  that  are defined as lying within this subtree).  If the net
       work entity has an error processing the request packet, an error packet
       will  be  returned and a message will be shown, helping to pinpoint why
       the request was malformed.

       If the tree search causes attempts to search beyond the end of the MIB,
       the message "End of MIB" will be displayed.

OPTIONS
       -Cc     Do  not	check  whether the returned OIDs are increasing.  Some
	       agents (LaserJets are an example) return OIDs out of order, but
	       can  complete  the  walk anyway.  Other agents return OIDs that
	       are out of order and can cause snmpwalk to  loop  indefinitely.
	       By  default,  snmpwalk  tries to detect this behavior and warns
	       you when it hits an agent acting illegally.  Use  -Cc  to  turn
	       off this check.

       -Ci     Include	the  given OID in the search range.  Normally snmpwalk
	       uses GETNEXT requests starting with the OID you	specified  and
	       returns	all  results  in  the  MIB subtree rooted at that OID.
	       Sometimes, you may wish to include the  OID  specified  on  the
	       command line in the printed results if it is a valid OID in the
	       tree itself.  This option lets you do this explicitly.

       -CI     In fact, the given OID will be retrieved automatically  if  the
	       main  subtree  walk  returns  no useable values.  This allows a
	       walk of a single instance to behave as generally expected,  and
	       return  the  specified  instance  value.  This option turns off
	       this final GET request, so a walk of  a	single	instance  will
	       return nothing.

       -Cp     Upon  completion  of  the  walk,  print the number of variables
	       found.

       -Ct     Upon completion of the walk, print the total wall-clock time it
	       took  to collect the data (in seconds).	Note that the timer is
	       started just before the beginning of the  data  request	series
	       and  stopped  just  after  it finishes.	Most importantly, this
	       means that it does not  include	snmp  library  initialization,
	       shutdown, argument processing, and any other overhead.

       In  addition  to  these	options,  snmpwalk  takes  the	common options
       described in the snmpcmd(1) manual page.

EXAMPLE
       The command:

       snmpwalk -Os -c public -v 1 zeus system

       will retrieve all of the variables under system:

       sysDescr.0 = STRING: "SunOS zeus.net.cmu.edu 4.1.3_U1 1 sun4m"
       sysObjectID.0 = OID: enterprises.hp.nm.hpsystem.10.1.1
       sysUpTime.0 = Timeticks: (155274552) 17 days, 23:19:05
       sysContact.0 = STRING: ""
       sysName.0 = STRING: "zeus.net.cmu.edu"
       sysLocation.0 = STRING: ""
       sysServices.0 = INTEGER: 72

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



4th Berkeley Distribution	  08 Feb 2002			   SNMPWALK(1)