java snmp walk,SNMPWALK 用法详解

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(1) Net-SNMP SNMPWALK(1)

NAME

snmpwalk – communicates with a network entity 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 MIB-2. If the network entity has an error pro-

cessing 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 exam-

ple) 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 behaviour.

-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 tree after that OID. Some-

times, 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.

-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)

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from Redhat Linux AS4 “man snmpwalk”

snmpwalk语法：

snmpwalk 交换机或路由器IP地址 -c SNMP读密码 -v 1或2(代表SNMP版本) OID(对象标示符)

用法举例:

1、snmpwalk -c public -v 1 -m ALL 192.168.30.49 .1.3.6.1.2.1.25.1 得到取得windows端的系统进程用户数等

2、snmpwalk -c public -v 1 -m ALL 192.168.30.49 .1.3.6.1.2.1.25.2.2 取得系统总内存

3、snmpwalk -c public -v 1 -m ALL 192.168.30.49 hrSystemNumUsers

4、snmpwalk -c public -v 1 -m ALL 192.168.30.49 .1.3.6.1.2.1.4.20 取得IP信息

5、snmpwalk -v 2c -c public 192.168.30.49 system 查看系统信息

6、snmpwalk -v 1 192.168.30.49 -c public ifDescr

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