Tcpdump
Dumps packets from specified interface, ctrl-c stops the capture
[verbose] : this shows extra information from the packet header
[ethhdr] : this shows information from the ethernet portion of the header. Without
this flag, only the IP portion is shown.
[iface xxx] : this selects which interface to dump. This could be physical interfaces
like eth1, eth2, sfp1, wwan0, wlan0, or can be virtual interfaces like the lan
bridge (br-lan) or a gre tunnel.
[filter xxx] : allows you to display only packets matching the filter. See here for
information on filter syntax: https://www.tcpdump.org/manpages/pcap-
filter.7.html
Example command to capture icmp packets on eth1:
tcpdump iface eth1 filter icmp
To see the next level CLI command list, type a ? at the command prompt:
AprisaLTE> show ?
To go back one level, type Exit at the prompt:
AprisaLTE(config) > Exit
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