09-17-2014
Issue with SNMP
Hi,
I have a strange issue with snmwpalk.
If I do snmpget on yyy.977.4.3.1.3.1006 I get the following successfull output :
yyy.977.4.3.1.3.1006 = INTEGER: 206
This is what I was excepting for, now I want to look for other snmp addresses Under yyy.977.4.3.1.3.xxxx.
If I do snmpwalk on yyy.977.4.3.1.3 I get the following output :
yyy.977.4.3.1.3 = INTEGER: 0
But I am clearly excepting to walk through all snmp adresses possible for 3.xxxx ...
What is even stranger is this
If I do snmpwalk yyy.977.4.3.1 I get the following output :
yyy.977.4.3.1 = No Such Object available on this agent at this OID
But I am crearly excepting to walk through all snmp adresses possible for 3.1.1.xxxx, 3.1.2.xxxx, 3.1.3.xxxx, 3.1.4.xxxx [...], 3.1.9.xxxx
And If I do snmpwalk on yyy.977 it successfully go through all snmp addresses except yyy.977.4 !
How can snmpwalk go through all adresses except yyy.977.4 despite yyy.977.4 is clearly working (see first command) and this is excacly where I need to look ...
Either I do not anderstand how snmp works or I am doing something wrong.
Thank you in advance if you could help me with this.
FFedo
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LEARN ABOUT CENTOS
cups-snmp
cups-snmp(8) Apple Inc. cups-snmp(8)
NAME
snmp - cups snmp backend
SYNOPSIS
/usr/lib/cups/backend/snmp ip-address-or-hostname
lpinfo -v --include-schemes snmp
DESCRIPTION
The CUPS SNMP backend provides legacy discovery and identification of network printers using SNMPv1. When used for discovery through the
scheduler, the backend will list all printers that respond to a broadcast SNMPv1 query with the "public" community name. Additional queries
are then sent to printers that respond in order to determine the correct device URI, make and model, and other information needed for
printing.
In the first form, the SNMP backend is run directly by the user to look up the device URI and other information when you have an IP address
or hostname. This can be used for programs that need to configure print queues where the user has supplied an address but nothing else.
In the second form, the SNMP backend is run indirectly using the lpinfo(8) command. The output provides all printers detected via SNMP on
the configured broadcast addresses. Note: no broadcast addresses are configured by default.
MIBS
The CUPS SNMP backend uses the information from the Host, Printer, and Port Monitor MIBs along with some vendor private MIBs and intelli-
gent port probes to determine the correct device URI and make and model for each printer.
CONFIGURATION
The SNMP backend reads the /etc/cups/snmp.conf configuration file, if present, to set the default broadcast address, community name, and
logging level. The configuration file is documented in cups-snmp.conf(5). The DebugLevel value can be overridden using the CUPS_DEBUG_LEVEL
environment variable and the MaxRunTime value can be overridden using the CUPS_MAX_RUN_TIME environment variable.
SEE ALSO
backend(7), cups-snmp.conf(5), cupsd(8), cupsd.conf(5), filter(7), lpinfo(8),
http://localhost:631/help
COPYRIGHT
Copyright 2007-2013 by Apple Inc.
23 April 2012 CUPS cups-snmp(8)