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Manual Reference Pages  -  SNMP::INFO::LAYER1 (3)

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NAME

SNMP::Info::Layer1 - SNMP Interface to network devices serving Layer1 only.

CONTENTS

AUTHOR

Max Baker

SYNOPSIS



 # Let SNMP::Info determine the correct subclass for you.
 my $l1 = new SNMP::Info(
                          AutoSpecify => 1,
                          Debug       => 1,
                          DestHost    => myswitch,
                          Community   => public,
                          Version     => 1
                        )
    or die "Cant connect to DestHost.\n";

 my $class = $l1->class();
 print "SNMP::Info determined this device to fall under subclass : $class\n";

 # Lets get some basic Port information
 my $interfaces = $l1->interfaces();
 my $i_up       = $l1->i_up();
 my $i_speed    = $l1->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::Layer1::* Please read all docs under SNMP::Info first.

Provides abstraction to the configuration information obtainable from a Layer1 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 $l1 = new SNMP::Info::Layer1(...);



    Inherited Classes

SNMP::Info

    Required MIBs

SNMP-REPEATER-MIB
MIBs required for Required MIBs in SNMP::Info

See Required MIBs in SNMP::Info for its MIB requirements.

SNMP-REPEATER-MIB needs to be extracted from ftp://ftp.cisco.com/pub/mibs/v1/v1.tar.gz

GLOBALS

These are methods that return scalar value from SNMP
$l1->ports_managed() Gets the number of ports under the interface mib

(ifNumber)

    Overrides

$l1->model() Cross references $l1->id() with product IDs.

For HP devices, removes hpswitch from the name

For Cisco devices, removes sysid from the name

$l1->vendor() Tries to discover the vendor from $l1->model() and $l1->vendor()
$l1->ports() Adds the values from rptr_ports() and ports_managed()
$l1->slots() Number of ’groups’ in the Repeater MIB

(rptrGroupCapacity)

    Global Methods imported from SNMP::Info

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

TABLE METHODS

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

    Overrides

$l1->interfaces() Returns reference to the map between IID and physical Port.
$l1->i_up() Returns reference to map of IIDs to link status.
$l1->i_up_admin() Returns reference to map of IIDs to administrative link status.

    Repeater MIB

$l1->rptr_ports() Number of ports in each group.

(rptrGroupPortCapacity)

$l1->rptr_port() Port number in Group

(rptrPortIndex)

$l1->rptr_slot() Group (slot) Number for given port.

(rptrPortGroupIndex)

$l1->rptr_up_admin() (rptrPortAdminStatus)
$l1->rptr_up() (rptrPortOperStatus)
$l1->rptr_last_src() (rptrAddrTrackNewLastSrcAddress)

    Table Methods imported from SNMP::Info

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