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snmp-bridge-mib(1)                 Net-SNMP                 snmp-bridge-mib(1)




NAME

       snmp-bridge-mib - provide Linux bridge information via SNMP


SYNOPSIS

       snmp-bridge-mib {bridge}


ARGUMENTS

       The following arguments are required:

       bridge
           The name of the Linux bridge for which you want to provide
           information via SNMP, e.g. br0.


DESCRIPTION

       The snmp-bridge-mib is an extension to net-snmp. It collects
       information about a bridge in a Linux system and exports them for query
       from other (remote) systems for management purposes.


CONFIGURATION:

       The preferred method of snmp-bridge-mib to attach to net-snmp is
       agentx. For this to work, you will have to add the following line to
       /etc/snmp/snmpd.conf,

               master agentx


       restart snmpd and start snmp-bridge-mib. snmp-bridge-mib will then
       connect to the running snmpd daemon.

       Another way of attaching snmp-bridge-mib to is to run it as an embedded
       perl module. You have to add

               perl do "path to location of snmp-bridge-mib"


       and restart snmpd.


EXAMPLE:

       Follow the instructions in this manpage and type

               perl /usr/bin/snmp-bridge-mib br0


       You'll get the following output:

                registering at .1.3.6.1.2.1.17
                running as a subagent.
                dot1qbridge agent started.
                NET-SNMP version 5.4.2.1 AgentX subagent connected


       Now it's time for a first test:

               $ export MIBS=+BRIDGE-MIB
               $ snmpwalk localhost .1.3.6.1.2.1.17


       The output produced should look like

               BRIDGE-MIB::dot1dStpBridgeHelloTime = INTEGER: 199 centi-seconds
               BRIDGE-MIB::dot1dStpBridgeForwardDelay = INTEGER: 1499 centi-seconds
               BRIDGE-MIB::dot1dStpPort.1 = INTEGER: 1
               BRIDGE-MIB::dot1dStpPort.3 = INTEGER: 3
               BRIDGE-MIB::dot1dStpPortPriority.1 = INTEGER: 32
               BRIDGE-MIB::dot1dStpPortPriority.3 = INTEGER: 32
               BRIDGE-MIB::dot1dStpPortState.1 = INTEGER: disabled(1)
               BRIDGE-MIB::dot1dStpPortState.3 = INTEGER: disabled(1)
               BRIDGE-MIB::dot1dStpPortEnable.1 = INTEGER: disabled(2)
               BRIDGE-MIB::dot1dStpPortEnable.3 = INTEGER: disabled(2)
               BRIDGE-MIB::dot1dStpPortPathCost.1 = INTEGER: 2
               BRIDGE-MIB::dot1dStpPortPathCost.3 = INTEGER: 4
               BRIDGE-MIB::dot1dStpPortDesignatedRoot.1 = STRING: "8000.001018382c78"
               BRIDGE-MIB::dot1dStpPortDesignatedRoot.3 = STRING: "8000.001018382c78"
               BRIDGE-MIB::dot1dStpPortDesignatedCost.1 = INTEGER: 0
               BRIDGE-MIB::dot1dStpPortDesignatedCost.3 = INTEGER: 0
               BRIDGE-MIB::dot1dStpPortDesignatedBridge.1 = STRING: "8000.001018382c78"
               BRIDGE-MIB::dot1dStpPortDesignatedBridge.3 = STRING: "8000.001018382c78"
               BRIDGE-MIB::dot1dStpPortDesignatedPort.1 = STRING: "32769"
               BRIDGE-MIB::dot1dStpPortDesignatedPort.3 = STRING: "32770"
               BRIDGE-MIB::dot1dStpPortPathCost32.1 = INTEGER: 2
               BRIDGE-MIB::dot1dStpPortPathCost32.3 = INTEGER: 4
               BRIDGE-MIB::dot1dTpLearnedEntryDiscards = Counter32: 0
               BRIDGE-MIB::dot1dTpAgingTime = INTEGER: 300 seconds
               BRIDGE-MIB::dot1dTpFdbAddress.'...8,x' = STRING: 0:10:18:38:2c:78
               BRIDGE-MIB::dot1dTpFdbAddress.'.!^/B|' = STRING: 0:21:5e:2f:42:7c
               BRIDGE-MIB::dot1dTpFdbPort.'...8,x' = INTEGER: 1
               BRIDGE-MIB::dot1dTpFdbPort.'.!^/B|' = INTEGER: 3
               BRIDGE-MIB::dot1dTpFdbStatus.'...8,x' = INTEGER: learned(3)
               BRIDGE-MIB::dot1dTpFdbStatus.'.!^/B|' = INTEGER: learned(3)
               BRIDGE-MIB::dot1dTpPort.1 = INTEGER: 1
               BRIDGE-MIB::dot1dTpPort.3 = INTEGER: 3
               BRIDGE-MIB::dot1dTpPortMaxInfo.1 = INTEGER: 1500 bytes
               BRIDGE-MIB::dot1dTpPortMaxInfo.3 = INTEGER: 1500 bytes
               BRIDGE-MIB::dot1dTpPortInFrames.1 = Counter32: 18082 frames
               BRIDGE-MIB::dot1dTpPortInFrames.3 = Counter32: 1546072 frames
               BRIDGE-MIB::dot1dTpPortOutFrames.1 = Counter32: 11601 frames
               BRIDGE-MIB::dot1dTpPortOutFrames.3 = Counter32: 10988 frames
               BRIDGE-MIB::dot1dTpPortInDiscards.1 = Counter32: 0 frames
               BRIDGE-MIB::dot1dTpPortInDiscards.3 = Counter32: 0 frames



BUGS

        1. snmp-bridge-mib currently only supports one bridge which has to be
           specified on the commandline.

        2. Not all elements of RFC 4188 because they are either not available
           in sysfs or difficult to extract from the existing data.



SEE ALSO

       snmpd.conf(5), Net::SNMP(3)


AUTHOR

       Jens Osterkamp <jens@linux.vnet.ibm.com>
           Developer


COPYRIGHT

       Copyright (C) 2009, 2010 IBM Corp., All Rights Reserved

       Permission is hereby granted, free of charge, to any person obtaining a
       copy of this software and associated documentation files (the
       "Software"), to deal in the Software without restriction, including
       without limitation the rights to use, copy, modify, merge, publish,
       distribute, sublicense, and/or sell copies of the Software, and to
       permit persons to whom the Software is furnished to do so, subject to
       the following conditions:

       The above copyright notice and this permission notice shall be included
       in all copies or substantial portions of the Software.

       THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
       OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
       MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
       IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
       CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
       TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
       SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.




http://www.ibm.com/ v6            26 Mar 2010               snmp-bridge-mib(1)

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