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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)