Net::Packet::CDP - Cisco Discovery Protocol layer 4 object
use Net::Packet::Consts qw(:cdp); require Net::Packet::CDP; # Build a layer my $layer = Net::Packet::CDP->new( version => 2, ttl => 180, checksum => 0, ); $layer->pack; print 'RAW: '.unpack('H*', $layer->raw)."\n"; # Read a raw layer my $layer = Net::Packet::CDP->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 layer.
See also Net::Packet::Layer and Net::Packet::Layer4 for other attributes and methods.
All these type attributes keep a pointer to the respective object. That is, for typeDeviceId, you have a pointer to a Net::Packet::CDP::TypeDeviceId object, if applicable.
Object constructor. You can pass attributes that will overwrite default ones. Default values:
version: 2
ttl: 180
checksum: 0
Packs all attributes into a raw format, in order to inject to network. Returns 1 on success, undef otherwise.
Unpacks raw data from network and stores attributes into the object. Returns 1 on success, undef otherwise.
Load them: use Net::Packet::Consts qw(:cdp);
CDP header length.
Various supported CDP types.
Patrice <GomoR> Auffret
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
To install Net::Packet, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Net::Packet
CPAN shell
perl -MCPAN -e shell install Net::Packet
For more information on module installation, please visit the detailed CPAN module installation guide.