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Manual Reference Pages  -  SNMP::INFO::LAYER2 (3)

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NAME

SNMP::Info::Layer2 - SNMP Interface to network devices serving Layer2 only.

CONTENTS

AUTHOR

Max Baker

SYNOPSIS



 # Let SNMP::Info determine the correct subclass for you.
 my $l2 = new SNMP::Info(
                          AutoSpecify => 1,
                          Debug       => 1,
                          DestHost    => myswitch,
                          Community   => public,
                          Version     => 2
                        )
    or die "Cant connect to DestHost.\n";

 my $class      = $l2->class();
 print "SNMP::Info determined this device to fall under subclass : $class\n";

 # Lets get some basic Port information
 my $interfaces = $l2->interfaces();
 my $i_up       = $l2->i_up();
 my $i_speed    = $l2->i_speed();
 foreach my $iid (keys %$interfaces) {
    my $port  = $interfaces->{$iid};
    my $up    = $i_up->{$iid};
    my $speed = $i_speed->{$iid}
    print "Port $port is $up. Port runs at $speed.\n";
 }



DESCRIPTION

This class is usually used as a superclass for more specific device classes listed under SNMP::Info::Layer2::* Please read all docs under SNMP::Info first.

Provides abstraction to the configuration information obtainable from a Layer2 device through SNMP. Information is stored in a number of MIBs.

For speed or debugging purposes you can call the subclass directly, but not after determining a more specific class using the method above.



 my $l2 = new SNMP::Info::Layer2(...);



    Inherited Classes

SNMP::Info
SNMP::Info::Bridge
SNMP::Info::Entity
SNMP::Info::LLDP

    Required MIBs

Inherited Classes MIBs required by the inherited classes listed above.
MIBs can be found in netdisco-mibs package.

GLOBALS

These are methods that return scalar value from SNMP

    Overrides

$l2->model() Cross references $l2->id() with product IDs in the Cisco MIBs.

For HP devices, removes hpswitch from the name

For Cisco devices, removes c<’sysid’> from the name

$l2->vendor() Tries to discover the vendor from $l2->model() and $l2->description()
$l2->serial() Returns serial number if available through SNMP

    Globals imported from SNMP::Info

See documentation in GLOBALS in SNMP::Info for details.

    Globals imported from SNMP::Info::Bridge

See documentation in GLOBALS in SNMP::Info::Bridge for details.

    Globals imported from SNMP::Info::Entity

See documentation in GLOBALS in SNMP::Info::Entity for details.

    Globals imported from SNMP::Info::LLDP

See documentation in GLOBALS in SNMP::Info::LLDP for details.

TABLE METHODS

These are methods that return tables of information in the form of a reference to a hash.

    Overrides

$l2->interfaces() Creates a map between the interface identifier (iid) and the physical port name.

Defaults to ifDescr but checks and overrides with ifName

    Table Methods imported from SNMP::Info

See documentation in TABLE METHODS in SNMP::Info for details.

    Table Methods imported from SNMP::Info::Bridge

See documentation in TABLE METHODS in SNMP::Info::Bridge for details.

    Table Methods imported from SNMP::Info::Entity

See documentation in TABLE METHODS in SNMP::Info::Entity for details.

    Table Methods imported from SNMP::Info::LLDP

See documentation in TABLE METHODS in SNMP::Info::LLDP for details.
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perl v5.20.3 INFO::LAYER2 (3) 2016-01-22

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