snmp_request(8)snmp_request(8)NAMEsnmp_request - Sends SNMPv1 and SNMPv2 request PDUs to an agent and
prints the agent's response
SYNOPSIS
/usr/sbin/snmp_request agent community request_type [-v version] [-p
port] [-l] [-t] [-d] [-n non_repeaters] [-m max_repetitions] [-r
retry_count] [-w wait_seconds_max] {variable [type value]}
OPTIONS
Specifies the type of message in which to send the PDU. The default
version is SNMPv1. Use 2c to specify that the PDU be sent in an
SNMPv2C message. If the request_type is getbulk, you must set the ver‐
sion to SNMPv2C (-v 2c). Specifies the port on the managed node to
which to send the SNMP request. The default is port 161, the well-
known SNMP port. Specifies loop mode. This option is valid only if
request_type is getnext or getbulk. This directs the agent to perform
a MIB walk. The name of the variable returned by the agent is used in a
subsequent request. The program reads and prints responses, and issues
requests, until the agent has no more data, times out, or is inter‐
rupted by a user. If you specify the -l option and the -t option, the
-l option is ignored. Specifies the number of variables for which no
repetition is requested. This is required when request_type is get‐
bulk. If you specify either the -t or -l options for getbulk requests,
this value must be 0. Specifies the number of repetitions requested
for the repeating variables. This is required when request_type is
getbulk. If you specify either the -t or -l options for getbulk
requests, this value must be 1. Specifies the number of times to
resend an SNMP request. If the agent does not reply before wait_sec‐
onds_max, the request is resent until the retry count reaches 0. The
default value is 0. Specifies a tree walk. This option is valid only
if request_type is getnext or getbulk. This directs the agent to per‐
form a MIB walk for the subtree with the variable parameter as its
root. The program reads and prints responses, and issues requests,
until the agent has no more data for the specified subtree, times out,
or is interrupted by a user. Only one OID is permitted for a tree
walk. Specifies the maximum number of seconds to wait for a reply from
the agent. The default is 3 seconds. Specifies the object identifier
of a MIB variable (in dot notation).
For Get and Set operations, the object identifier must be fully
qualified; it must specify an instance. Specifies the data type
for SetRequests. The type parameter can be one of the follow‐
ing: a -- ip_addr c -- Counter 32 d -- Object identifier (in dot
notation) D -- Display string g -- Gauge i -- Integer l --
Counter 64 o -- Octet string (in hexadecimal format) N --- Null
q -- Opaque string (in hexadecimal format) t -- time_ticks Spec‐
ifies the data value for SetRequests. The data value must cor‐
respond to the data type.
OPERANDS
Specifies the host name or IP address (in dot notation) of the managed
node to query. Specifies the community name to use in the SNMP message
header. Specifies the type of protocol data unit (PDU) to send. The
request_type can be one of the following: get -- Get Request PDU get‐
bulk -- GetBulk Request PDU getnext -- GetNext Request PDU set --
SetRequest PDU
DESCRIPTION
The snmp_request program sends an SNMP Get, GetBulk, GetNext, or Set
request to a logically remote SNMP agent, and prints the agent's
response.
EXAMPLES
To obtain the value of the MIB II sysDescr variable from host ZIGGY,
using the default community name, enter: snmp_request ZIGGY public get
1.3.6.1.2.1.1.1.0 To set ZIGGY's sysContact variable to Katy Lied,
enter: snmp_request ZIGGY special_comm_1 set 1.3.6.1.2.1.1.4.0 \ -D
"Katy Lied"
Be sure to use a community name that has been configured on that
system to allow sets. To obtain the values of the MIB II sysUp‐
Time.0 and sysDescr.0 variables and, for the first three inter‐
faces, the values of ifDescr and ifType from the agent on host
marley, using the SNMPv2 GetBulk PDU, enter:. snmp_request mar‐
ley public getbulk -v 2c -n 2 \ -m 3 1.3.6.1.2.1.1.1
1.3.6.1.2.1.1.2 1.3.6.1.2.1.2.2.1.2 \ 1.3.6.1.2.1.2.2.1.3 To
obtain the values of the MIB II hrDeviceDescr variables, enter:
snmp_request marley public getnext -t 1.3.6.1.2.1.25.3.2.1.3
SEE ALSO
Commands: snmpd(8), snmp_traprcv(8), snmp_trapsnd(8)snmp_request(8)
