LLDP & CDP sniffer

Sniffer that captures LLDP and CDP packets and prints them on standard output. Sniffer can also generate fake LLDP or CDP packets for test purposes.

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Usage

./sniffer [-l|-s] -i <interface> [-c] [-t <int>] [-r <int>]

Flags:

• -i interface name
• -s mode of sending packets (without -c it sends LLDP and otherwise CDP)
• -l mode of listening on the interface
• -c sending CDP packets
• -t time how to long send fake packets
• -r interval of sending the fake packets in seconds

Examples how to run

./sniffer -i eth1 -s -r 60    // Sends LLDP packets every 60 second
./sniffer -i eth1 -l          // Listens for LLDP packets

Building

make              compile project - release version
make pack         packs all required files to compile this project    
make clean        clean temp compilers files    
make clean-all    clean all compilers files - includes project    
make clean-outp   clean output project files 

Contact and credits

Author: Radim Loskot
gmail.com: radim.loskot (e-mail)