interface (known as eth2 in this documentation) is just optional and not
necessary for sniffing itself.
-Simple (but not necessarily 100% reliable) check for network connnection using a
+Simple (but not necessarily 100% reliable) check for network connection using a
software command:
ethtool eth0
Execute:
- tcpdump -s -C 50 -vvvv -w pcap -i br0
+ tcpdump -s0 -C 50 -v -w pcap -i br0
to generate files named pcap, pcap1, pcap2,... each with a file size of ~50MB.
Press CTRL-C to stop capturing traffic. You can analyse the generated pcap files