You may also use Wireshark capture and analysis tool. wireshark-2.png Wireshark-3.png Visualizing wireless captures With the thousands of packet captures gathered by Wireshark, it is possible to look at the data in a different way using graphs. To capture all packets from a specific host on the network: Within Wireshark’s Preferences, under IEEE 802.11, enable decryption and insert the wireless network’s password to create the decryption key. Tcpdump: verbose output suppressed, use -v or -vv for full protocol decode To capture all packets on the WAN (the below assumes that interface eth1 is the WAN interface): tcpdump relies on libcap, therefore it can produce standard pcap analysis files which may be processed by other tools. It may be used to capture packets on the fly and/or save them in a file for later analysis. Tcpdump is a network capture and analysis tool.
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