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snmp_bridge (3)
  • >> snmp_bridge (3) ( FreeBSD man: Библиотечные вызовы )

  • BSD mandoc
     

    NAME

    
    
    snmp_bridge
    
     - bridge module for snmpd.
    
     
    

    LIBRARY

    (begemotSnmpdModulePath.bridge = /usr/lib/snmp_bridge.so)
    
     
    

    DESCRIPTION

    The snmp_bridge module implements the BRIDGE-MIB as standardized in RFC 4188, the RSTP-MIB standardized in RFC4318 and a private BEGEMOT-BRIDGE-MIB, which allows management of multiple bridge interfaces. Most of the objects defined in the private BEGEMOT-BRIDGE-MIB are duplicates of the original objects defined by the standard BRIDGE-MIB, but the private MIB also defines additional objects which make the functionality of similar to ifconfig(8) for configuring bridge interfaces. Therefore one should consider adding write comminities or loading the module on systems where security is crucial.  

    IMPLEMENTATION NOTES

    The additional objects to configure a bridge are:

    begemotBridgeBaseStatus
    Bridge interfaces can be created and destroyed via this object. SNMP SET operations with the following values are allowed:

    createAndWait
    will attempt to create a bridge interface with the name given by the table index.
    createAndGo will attempt to create a bridge interface with the name given by the table
    index and set the status of the interface to "active/up".
    destroy
    will attempt to destroy the bridge interface.

    begemotBridgeBaseSpanEnabled
    A SNMP SET operation on this object is only successfull if the corresponding port has not been added as member of the bridge interface on the system.
    begemotBridgeBasePortStatus
    SNMP SET operations with the following values are allowed:

    createAndWait
    will create a new row for the bridge member in the SNMP begemotBridgeBasePortTable but will not try to commit the information to the system.
    active
    will attempt to commit the information to the system and will be successful only if a value for begemotBridgeBaseSpanEnabled has been SET already.
    destroy
    will attempt to remove the interface from the system bridge interface.

    begemotBridgeBasePortPrivate
    This object controls a bridge interface flag called PRIVATE where any private port can not communicate with another private port.

     

    RESTRICTIONS

    Not all information in the MIBs is currently available in FreeBSD. The following variables carry no information:

    dot1dBasePortCircuit
    dot1dBasePortDelayExceededDiscards
    dot1dBasePortMtuExceededDiscards
    begemotBridgeBasePortDelayExceededDiscards
    begemotBridgeBasePortMtuExceededDiscards

     

    FILES

    /usr/share/snmp/defs/bridge_tree.def
    The description of the MIB tree implemented by .
    /usr/share/snmp/mibs/BRIDGE-MIB.txt
    This is the BRIDGE-MIB that is implemented by this module.
    /usr/share/snmp/mibs/RSTP-MIB.txt
    This is the RSTP-MIB implemented by this module.
    /usr/share/snmp/mibs/BEGEMOT-BRIDGE-MIB.txt
    This is the private BEGEMOT-BRIDGE-MIB that is implemented by this module.

     

    SEE ALSO

    bsnmpd(1), gensnmptree(1), if_bridge4, ifconfig(8), snmpmod(3)  

    AUTHORS

    An Shteryana Shopova Aq syrinx@FreeBSD.org


     

    Index

    NAME
    LIBRARY
    DESCRIPTION
    IMPLEMENTATION NOTES
    RESTRICTIONS
    FILES
    SEE ALSO
    AUTHORS


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