Net::Frame::Layer::STP - Spanning Tree Protocol layer object

   use Net::Frame::Layer::STP qw(:consts);

   # Build a layer
   my $layer = Net::Packet::STP->new(
      protocolIdentifier        => NF_STP_PROTOCOL_IDENTIFIER_STP,
      protocolVersionIdentifier => 0,
      bpduType                  => 0x00,
      bpduFlags                 => 0x00,
      rootIdentifier            => '1/00:11:22:33:44:55',
      rootPathCost              => 1,
      bridgeIdentifier          => '2/11:22:33:44:55:66',
      portIdentifier            => 0x0001,
      messageAge                => 1,
      maxAge                    => 10,
      helloTime                 => 1,
      forwardDelay              => 10,
   );
   $layer->pack;

   print 'RAW: '.$layer->dump."\n";

   # Read a raw layer
   my $layer = Net::Frame::Layer::STP->new(raw => $raw);

   print $layer->print."\n";
   print 'PAYLOAD: '.unpack('H*', $layer->payload)."\n"
      if $layer->payload;

This modules implements the encoding and decoding of the Spanning Tree Protocol layer.

See also Net::Frame::Layer for other attributes and methods.

protocolIdentifier - 16 bits

protocolVersionIdentifier - 8 bits

bpduType - 8 bits

bpduFlags - 8 bits

rootIdentifier - 64 bits (16 + 56)

rootPathCost - 32 bits

bridgeIdentifier - 64 bits (16 + 56)

portIdentifier - 16 bits

messageAge - 16 bits

maxAge - 16 bits

helloTime - 16 bits

forwardDelay - 16 bits

The following are inherited attributes. See Net::Frame::Layer for more information.

raw

payload

nextLayer

new

new (hash)

Object constructor. You can pass attributes that will overwrite default ones. See SYNOPSIS for default values.

The following are inherited methods. Some of them may be overriden in this layer, and some others may not be meaningful in this layer. See Net::Frame::Layer for more information.

layer

computeLengths

computeChecksums

pack

unpack

encapsulate

getLength

getPayloadLength

print

dump

Load them: use Net::Frame::Layer::STP qw(:consts);

NF_STP_HDR_LEN

STP header length.

NF_STP_PROTOCOL_IDENTIFIER_STP

Various supported STP protocol identifiers.

Net::Frame::Layer

Patrice <GomoR> Auffret

Copyright (c) 2006-2007, Patrice <GomoR> Auffret

You may distribute this module under the terms of the Artistic license. See LICENSE.Artistic file in the source distribution archive.