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snmptest ()
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    NAME

    snmptest - communicate with a network entity using SNMP requests
     
    

    SYNOPSIS

    /usr/sfw/bin/snmptest [common options] agent  

    DESCRIPTION

    snmptest is a flexible SNMP application that can monitor and manage information on a network entity.

    Invoking snmptest invokes a command line interpreter that accepts commands. This intepreter enables you to send different types of SNMP requests to target agents.

    The operand agent identifies a target SNMP agent that is instrumented to monitor manageable objects. At its simplest, the agent specification consists of a host name or an IPv4 address. In this situation, the command attempts communication with the agent, using UDP/IPv4 to port 161 of the target host. See snmpcmd(1M) for a full list of the possible formats for agent.

    After you invoke snmptest, the command line intepreter prompts with:

    Variable:
    

    At this point you can enter one or more variable names, one per line. A blank line ends the parameter input and sends the request (variables entered) in a single packet to the remote entity. Each variable name is given in the format specified in snmp_variables(4). For example, the command:

    snmptest -c public -v 1 zeus
    Variable: system.sysDescr.0
    Variable:
    
    

    ...returns information about the request and reply packets, as well as the data:

    requestid 0x5992478A errstat 0x0 errindex 0x0
    system.sysDescr.0 = STRING: "Unix 4.3BSD"
    

    The errstatus value shows the error status code for the call. The possible values for errstat are in the header file /usr/sfw/include/net-snmp/library/snmp.h. The errindex value identifies the variable that has an error. Index values are assigned to all the variables entered at the Variable: prompt. The first value is assigned an index of 1.

    Upon startup, the program defaults to sending a GET request packet. The type of request can be changed by typing one of the following commands at the Variable: prompt:

    $G Send a GET request.

    $N Send a GETNEXT request.

    $S Send a SET request.

    $B Send a GETBULK request. Note that GETBULK is not available in SNMPv1.

    $I Send an inform request.

    $T Send an SNMPv2 trap request.

    Other values that can be entered at the Variable: prompt are:

    $D Toggle the dumping of each sent and received packet.

    $QP Toggle a quicker, less verbose output form.

    $Q Quit the program.

    The following are valid request types:

    GET request

    When in "GET request" mode ($G or default), you can enter an OID at the Variable: prompt. You can enter multiple OIDs, one per prompt. Enter a blank line to send the GET request.

    GETNEXT request

    The "GETNEXT request" mode ($N) is similar to the "GET request" mode, described above.

    SET request

    When in the "SET request" mode ($S), more information is requested by the prompt for each variable. The prompt:

    Type [i|s|x|d|n|o|t|a]:
    

    ...requests the type of the variable be entered. Depending on the type of value you want to set, type one of the following:

    i integer

    u unsigned integer

    s octet string in ASCII

    x octet string in hex bytes, separated by whitespace

    d octet string as decimal bytes, separated by whitespace

    a IP address in dotted IP notation

    o object identifier

    n null

    t timeticks

    At this point a value will be prompted for. To enter an integer value, just type the integer (in decimal). If it is a decimal string, type in whitespace-separated decimal numbers, one per byte of the string. Again, enter a blank line at the prompt for the variable name to send the packet.

    GETBULK request

    The "GETBULK request" mode ($B) is similar to the "SET request" mode. Note, however, that GETBULK is not available in SNMPv1.

    Inform request

    The "Inform request" mode ($I) is similar to the "SET request" mode. However, this type of request is not available in SNMPv1. Also, the agent specified in the snmptest command should correspond to the target snmptrapd agent.

    SNMPv2 trap request

    The "SNMPv2 trap request" mode ($T) is similar to the "SET request" mode. However, this type of request is not available in SNMPv1. Also, the agent specified in the snmptest command should correspond to the target snmptrapd agent.

     

    OPTIONS

    snmptest takes the common options described in the snmpcmd(1M).  

    EXAMPLES

    Example 1: Sending a GET Request for Two OIDs

    The following is an example of sending a GET request for two OIDs:

    % snmptest -v 2c -c public testhost:161
    
    Variable: system.sysDescr.0
    Variable: system.sysContact.0
    Variable:
    Received Get Response from 128.2.56.220
    requestid 0x7D9FCD63 errstat 0x0 errindex 0x0
    SNMPv2-MIB::sysDescr.0 = STRING: SunOS testhost 5.9 Generic_112233-02 sun4u
    SNMPv2-MIB::sysContact.0 = STRING: x1111
    

    Example 2: Sending a GETNEXT Request

    The following is an example of sending a GETNEXT request:

    Variable: $N
    Request type is Getnext Request
    Variable: SNMPv2-MIB::sysORUpTime.1
    Variable:
    Received Get Response from 128.2.56.220
    requestid 0x7D9FCD64 errstat 0x0 errindex 0x0
    SNMPv2-MIB::sysORUpTime.2 = Timeticks: (6) 0:00:00.06
    Variable:
    

    Example 3: Sending a SET Request

    The following is an example of sending a SET request:

    Variable: $S
    Request type is Set Request
    Variable: system.sysLocation.0
    Type [i|u|s|x|d|n|o|t|a]: s
    Value: building 17
    Variable:
    Received Get Response from 128.2.56.220
    requestid 0x7D9FCD65 errstat 0x0 errindex 0x0
    SNMPv2-MIB::sysLocation.0 = STRING: building A
    Variable:
    

    Example 4: Sending a GETBULK Request

    The following is an example of sending a GETBULK request:

    Variable: $B
    Request type is Bulk Request
    Enter a blank line to terminate the list of non-repeaters
    and to begin the repeating variables
    Variable:
    Now input the repeating variables
    Variable: system.sysContact.0
    Variable: system.sysLocation.0
    Variable:
    What repeat count? 2
    Received Get Response from 128.2.56.220
    requestid 0x2EA7942A errstat 0x0 errindex 0x0
    SNMPv2-MIB::sysName.0 = STRING: testhost
    SNMPv2-MIB::sysORLastChange.0 = Timeticks: (58) 0:00:00.58
    SNMPv2-MIB::sysLocation.0 = STRING: bldg A
    SNMPv2-MIB::sysORID.1 = OID: IF-MIB::ifMIB
    Variable:
    

    Example 5: Sending an Inform Request

    The following is an example of sending an Inform request:

    snmptest -v 2c -c public snmptrapd_host:162
    Variable: $I
    Request type is Inform Request
    (Are you sending to the right port?)
    Variable: system.sysContact.0
    Type [i|u|sIx|d|n|o|t|a]: s
    Value: x12345
    Variable:
    Inform Acknowledged
    Variable:
    

    The snmptrapd_host will show:

    snmptrapd_host [<ip address>]: Trap SNMPv2-MIB::sysContact.0 = STRING: x12345
    

    Example 6: Sending an SNMPv2 Trap Request

    The following is an example of sending an SNMPv2 Trap request:

    snmptest -v 2c -c public snmptrapd_host:162
    Variable: $T
    Request type is SNMPv2 Trap Request
    (Are you sending to the right port?)
    Variable: system.sysLocation.0
    Type [i|u|s|x|d|n|o|t|a]: s
    Value: building a
    Variable:
    

    The snmptrapd_host will show:

    snmptrapd_host [<ip address>]: Trap SNMPv2-MIB::sys.0 = STRING:
    building A
    

     

    EXIT STATUS

    0 Successful completion.

    1 A usage syntax error. A usage message is displayed. Also used for timeout errors.

     

    ATTRIBUTES

    See attributes(5) for descriptions of the following attributes:

    ATTRIBUTE TYPEATTRIBUTE VALUE
    AvailabilitySUNWsmcmd
    Interface StabilityExternal

     

    SEE ALSO

    snmpcmd(1M), snmpget(1M), snmpset(1M), snmp_variables(4), attributes(5)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    EXAMPLES
    EXIT STATUS
    ATTRIBUTES
    SEE ALSO


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