NAME

SNMP::Info::Layer2::HP - SNMP Interface to HP Procurve Switches

AUTHOR

Max Baker

SYNOPSIS

 # Let SNMP::Info determine the correct subclass for you. 
 my $hp = new SNMP::Info(
                          AutoSpecify => 1,
                          Debug       => 1,
                          DestHost    => 'myswitch',
                          Community   => 'public',
                          Version     => 2
                        ) 
    or die "Can't connect to DestHost.\n";
 my $class      = $hp->class();
 print "SNMP::Info determined this device to fall under subclass : $class\n";

DESCRIPTION

Provides abstraction to the configuration information obtainable from a HP ProCurve Switch via SNMP.

Note: Some HP Switches will connect via SNMP version 1, but a lot of config data will not be available. Make sure you try and connect with Version 2 first, and then fail back to version 1.

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

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

Inherited Classes

SNMP::Info::Layer2
SNMP::Info::LLDP
SNMP::Info::MAU

Required MIBs

RFC1271-MIB

Included in V2 mibs from Cisco

HP-ICF-OID
HP-VLAN

(this MIB new with SNMP::Info 0.8)

STATISTICS-MIB
NETSWITCH-MIB
CONFIG-MIB

The last five MIBs listed are from HP and can be found at http://www.hp.com/rnd/software or http://www.hp.com/rnd/software/MIBs.htm

Change Log

Version 0.4 - Removed ENTITY-MIB e_*() methods to separate sub-class - SNMP::Info::Entity

GLOBALS

These are methods that return scalar value from SNMP

$hp->cpu()

Returns CPU Utilization in percentage.

$hp->log()

Returns all the log entries from the switch's log that are not Link up or down messages.

$hp->mem_free()

Returns bytes of free memory

$hp->mem_total()

Return bytes of total memory

$hp->mem_used()

Returns bytes of used memory

$hp->model()

Returns the model number of the HP Switch. Will translate between the HP Part number and the common model number with this map :

 %MODEL_MAP = ( 
                'J4093A' => '2424M',
                'J4110A' => '8000M',
                'J4120A' => '1600M',
                'J4121A' => '4000M',
                'J4122A' => '2400M',
                'J4122B' => '2424M',
                'J4138A' => '9308M',
                'J4139A' => '9304M',
                'J4812A' => '2512',
                'J4813A' => '2524',
                'J4815A' => '3324XL',
                'J4819A' => '5308XL',
                'J4840A' => '6308M-SX',
                'J4841A' => '6208M-SX',
                'J4850A' => '5304XL',
                'J4851A' => '3124',
                'J4865A' => '4108GL',
                'J4874A' => '9315M',
                'J4887A' => '4104GL',
                'J4899A' => '2650',
                'J4899B' => '2650-CR',
                'J4900A' => '2626',
                'J4900B' => '2626-CR',
                'J4902A' => '6108',
                'J4903A' => '2824',
                'J4904A' => '2848',
                'J4905A' => '3400cl-24G',
                'J4906A' => '3400cl-48G',
                'J8130A' => 'WAP-420-NA',
                'J8131A' => 'WAP-420-WW',
                'J8133A' => 'AP520WL',
                'J8164A' => '2626-PWR',
                'J8165A' => '2650-PWR',
                'J8433A' => 'CX4-6400cl-6XG',
                'J8474A' => 'MF-6400cl-6XG',
                'J8680A' => '9608sl',
                'J8692A' => '3500yl-24G-PWR',
                'J8693A' => '3500yl-48G-PWR',
                'J8697A' => '5406zl',
                'J8698A' => '5412zl',
                'J8718A' => '5404yl',
                'J8719A' => '5408yl',
                'J8770A' => '4204vl',
                'J8771A' => '4202vl-48G',
                'J8772A' => '4202vl-72',
                'J8773A' => '4208vl',
                'J8762A' => '2600-8-PWR',
                'J8992A' => '6200yl-24G',
                'J9019A' => '2510-24A',
                'J9020A' => '2510-48A',
                'J9021A' => '2810-24G',
                'J9022A' => '2810-48G',
                'J9028A' => '1800-24G',
                'J9029A' => '1800-8G',
                'J9050A' => '2900-48G',
                'J9049A' => '2900-24G',
                'J9032A' => '4202vl-68G',
                'J9091A' => '8212zl',
                );
$hp->os()

Returns hp

$hp->os_bin()

hpSwitchRomVersion.0

$hp->os_ver()

Tries to use os_version() and if that fails will try and cull the version from the description field.

$hp->os_version()

hpSwitchOsVersion.0

$hp->serial()

Returns serial number if available through SNMP

$hp->slots()

Returns number of entries in $hp->e_name that have 'slot' in them.

$hp->vendor()

hp

$hp->fan()

Returns fan status

$hp->ps1_status()

Power supply 1 status

$hp->ps2_status()

Power supply 2 status

Globals imported from SNMP::Info::Layer2

See documentation in GLOBALS in the SNMP::Info::Layer2 manpage for details.

Globals imported from SNMP::Info::LLDP

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

Globals imported from SNMP::Info::MAU

See documentation in GLOBALS in the SNMP::Info::MAU manpage for details.

TABLE METHODS

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

Overrides

$hp->interfaces()

Uses $hp->i_description()

$hp->i_duplex()

Returns reference to map of IIDs to current link duplex.

$hp->i_duplex_admin()

Returns reference to hash of IIDs to admin duplex setting.

$hp->i_name()

Crosses i_name() with $hp->e_name() using $hp->e_port() and i_alias()

$hp->i_vlan()

Returns a mapping between ifIndex and the PVID (default VLAN) or untagged port when using HP-VLAN.

Looks in Q-BRIDGE-MIB first (TABLE METHODS in the SNMP::Info::Bridge manpage) and for older devices looks in HP-VLAN.

$hp->i_vlan_membership()

Returns reference to hash of arrays: key = ifIndex, value = array of VLAN IDs. These are the VLANs which are members of the egress list for the port. It is the union of tagged, untagged, and auto ports when using HP-VLAN.

Looks in Q-BRIDGE-MIB first (TABLE METHODS in the SNMP::Info::Bridge manpage) and for older devices looks in HP-VLAN.

  Example:
  my $interfaces = $hp->interfaces();
  my $vlans      = $hp->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";
  }
$hp->v_index()

Returns VLAN IDs

$hp->v_name()

Returns VLAN names

$hp->bp_index()

Returns reference to hash of bridge port table entries map back to interface identifier (iid)

Returns (ifIndex) for both key and value for 1600, 2424, 4000, and 8000 models since they seem to have problems with BRIDGE-MIB

$hp->peth_port_ifindex()

Returns reference to hash of power Ethernet port table entries map back to interface index (c<ifIndex>)

Topology information

Based upon the firmware version HP devices may support Cisco Discovery Protocol (CDP), Link Layer Discovery Protocol (LLDP), or both. These methods will query both and return the combination of all information. As a result, there may be identical topology information returned from the two protocols causing duplicate entries. It is the calling program's responsibility to identify any duplicate entries and remove duplicates if necessary.

$hp->hasCDP()

Returns true if the device is running either CDP or LLDP.

$hp->c_if()

Returns reference to hash. Key: iid Value: local device port (interfaces)

$hp->c_ip()

Returns reference to hash. Key: iid Value: remote IPv4 address

If multiple entries exist with the same local port, c_if(), with the same IPv4 address, c_ip(), it may be a duplicate entry.

If multiple entries exist with the same local port, c_if(), with different IPv4 addresses, c_ip(), there is either a non-CDP/LLDP device in between two or more devices or multiple devices which are not directly connected.

Use the data from the Layer2 Topology Table below to dig deeper.

$hp->c_port()

Returns reference to hash. Key: iid Value: remote port (interfaces)

$hp->c_id()

Returns reference to hash. Key: iid Value: string value used to identify the chassis component associated with the remote system.

$hp->c_platform()

Returns reference to hash. Key: iid Value: Remote Device Type

Table Methods imported from SNMP::Info::Layer2

See documentation in TABLE METHODS in the SNMP::Info::Layer2 manpage for details.

Table Methods imported from SNMP::Info::LLDP

See documentation in TABLE METHODS in the SNMP::Info::LLDP manpage for details.

Table Methods imported from SNMP::Info::MAU

See documentation in TABLE METHODS in the SNMP::Info::MAU manpage for details.

MUNGES

munge_hp_c_id()

Munge for c_id which handles CDP and LLDP.