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Capture LLDP packets using tcpdump

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How do I capture packets in tcpdump?

Capture Only N Number of Packets When you run the tcpdump command it will capture all the packets for the specified interface, until you hit the cancel button. But using -c option, you can capture a specified number of packets. The below example will only capture 6 packets.

How do I capture tcpdump packets using Wireshark?

Start Wireshark, then import the tcpdump captured session using File -> Open and browse for your file. You can also double-click the tcpdump capture file to open it in Wireshark, as long as it has the *. pcap file extension.


What is the format to capture LLDP packets on an interface using tcpdump?

I tried the following format but it dint work:

tcpdump -w test.pcap -i eth0 lldp -vv