Net::Packet::CDP::TypePortId - Cisco Discovery Protocol Port ID extension header
use Net::Packet::Consts qw(:cdp);
require Net::Packet::CDP::TypePortId;
# Build a layer
my $layer = Net::Packet::CDP::TypePortId->new(
type => NP_CDP_TYPE_PORT_ID,
length => 8,
sentThrough => '1/4',
);
$layer->pack;
print 'RAW: '.unpack('H*', $layer->raw)."\n";
# Read a raw layer
my $layer = Net::Packet::CDP::TypePortId->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 Cisco Discovery
Protocol Port ID type extension header.
- type - 16 bits
- length - 16 bits
- sentThrough - variable length
- new
- Object constructor. You can pass attributes that will overwrite default
ones. Default values:
type: NP_CDP_TYPE_PORT_ID
length: 8
sentThrough: '1/4'
- pack
- Packs all attributes into a raw format, in order to inject to network.
Returns 1 on success, undef otherwise.
- unpack
- Unpacks raw data from network and stores attributes into the object.
Returns 1 on success, undef otherwise.
See Net::Packet::CDP CONSTANTS.
Copyright (c) 2004-2009, Patrice <GomoR> Auffret
You may distribute this module under the terms of the Artistic
license. See LICENSE.Artistic file in the source distribution archive.
NetPacket, Net::RawIP, Net::RawSock