SNMP::Info::Layer2::C1900(3pm) User Contributed Perl Documentation SNMP::Info::Layer2::C1900(3pm)

SNMP::Info::Layer2::C1900 - SNMP Interface to data from Cisco Catalyst 1900 Network Switches running CatOS

Max Baker

 # Let SNMP::Info determine the correct subclass for you.
 my $c1900 = new SNMP::Info(
                          AutoSpecify => 1,
                          Debug       => 1,
                          DestHost    => 'myswitch',
                          Community   => 'public',
                          Version     => 1
                        )
    or die "Can't connect to DestHost.\n";
 my $class      = $c1900->class();
 print "SNMP::Info determined this device to fall under subclass : $class\n";

Provides abstraction to the configuration information obtainable from a Catalyst 1900 device through SNMP. See SNMP::Info for full documentation

Note that most of these devices only talk SNMP version 1, but not all.

ESSWITCH-MIB is included in the Version 1 MIBs from Cisco.

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

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

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

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

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

See "Required MIBs" in SNMP::Info::Layer2 for its MIB requirements.

These are methods that return scalar value from SNMP

$c1900->c1900_flash_status()
Usually contains the version of the software loaded in flash. Used by os_ver()

"STAND-ALONE-ETHERNET-SWITCH-MIB::upgradeFlashBankStatus"

$c1900->os()
Returns 'catalyst'
$c1900->os_ver()
Returns CatOS version if obtainable. First tries to use SNMP::Info::CiscoStats->os_ver() . If that fails then it checks for the presence of $c1900->c1900_flash_status() and culls the version from there.
$c1900->vendor()
Returns 'cisco'

$c1900->cisco_comm_indexing()
Returns 1. Use vlan indexing.
$c1900->bulkwalk_no
Return 1. Bulkwalk is turned off for this class.

See "GLOBALS" in SNMP::Info::CDP for details.

See "GLOBALS" in SNMP::Info::CiscoStats for details.

See "GLOBALS" in SNMP::Info::CiscoConfig for details.

See "GLOBALS" in SNMP::Info::CiscoStpExtensions for details.

See "GLOBALS" in SNMP::Info::Layer2 for details.

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

$c1900->interfaces()
Returns reference to the map between IID and physical Port.
$c1900->i_duplex()
Returns reference to map of IIDs to current link duplex
$c1900->i_duplex_admin()
Returns reference to hash of IIDs to admin duplex setting
$c1900->i_name()
Crosses "ifName" with $c1900->c1900_p_name() and returns the human set port name if exists.
$c1900->i_vlan()
Returns a mapping between the interface and the VLAN / bridge group if overlap is not enabled.
$c1900->i_vlan_membership()
Returns reference to hash of arrays: key = interface, value = array of VLAN / bridge group IDs. 

  Example:
  my $interfaces = $c1900->interfaces();
  my $vlans      = $c1900->i_vlan_membership();
  foreach my $iid (sort keys %$interfaces) {
    my $port = $interfaces->{$iid};
    my $vlan = join(',', sort(@{$vlans->{$iid}}));
    print "Port: $port VLAN: $vlan\n";
  }
$c1900->i_vlan_membership_untagged()
Unsupported, returns nothing.
$c1900->bp_index()
Returns a bp_index that contains the original bp_index entries and extra entries for those interfaces listed in if_index, as some C1900 devices do not return complete bp_indexes.

STAND-ALONE-ETHERNET-SWITCH-MIB Switch Port Table Entries:

$c1900->c1900_p_index()
Maps the Switch Port Table to the IID

"swPortIfIndex"

$c1900->c1900_p_duplex()
Gives Port Duplex Info

("swPortDuplexStatus")

$c1900->c1900_p_duplex_admin()
Gives admin setting for Duplex Info

("swPortFullDuplex")

$c1900->c1900_p_name()
Gives human set name for port

("swPortName")

$c1900->c1900_p_up_admin()
Gives Admin status of port enabled.

("swPortAdminStatus")

$c1900->c1900_p_type()
Gives Type of port, i.e. "general-ethernet"

("swPortMediaCapability")

$c1900->c1900_p_media()
Gives the media of the port , i.e. ""fiber-sc""

("swPortConnectorType")

See "TABLE METHODS" in SNMP::Info::CDP for details.

See "TABLE METHODS" in SNMP::Info::CiscoStats for details.

See "TABLE METHODS" in SNMP::Info::CiscoConfig for details.

See "TABLE METHODS" in SNMP::Info::CiscoStpExtensions for details.

See "TABLE METHODS" in SNMP::Info::CiscoAgg for details.

See "TABLE METHODS" in SNMP::Info::Layer2 for details.

These are methods that provide SNMP set functionality for overridden methods or provide a simpler interface to complex set operations. See "SETTING DATA VIA SNMP" in SNMP::Info for general information on set operations.

$c1900->set_i_duplex_admin(duplex, ifIndex)
Sets port duplex, must be supplied with duplex and port "ifIndex". Speed choices are 'auto', 'half', 'full'. 

  Example:
  my %if_map = reverse %{$c1900->interfaces()};
  $c1900->set_i_duplex_admin('auto', $if_map{'1'})
    or die "Couldn't change port duplex. ",$c1900->error(1);
2023-09-30 perl v5.36.0