D-Link DFL-260E Reference Manual page 59

2.2.50. pcapdump
pcapdump -show [<interface(s)>]
Show a captured packets brief.
pcapdump -write [<interface(s)>] [-filename=<String>]
Write the captured packets to disk.
pcapdump -wipe
Remove all captured packets from memory.
pcapdump -cleanup
Remove all captured packets, release capture mode and delete all written capture files from disk.
Options
-cleanup
-count=<value>
-destport=<0...65535>
-eth=<Ethernet Address>
-ethdest=<Ethernet Address>
-ethsrc=<Ethernet Address>
-filename=<String>
-icmp
-ip=<IP4 Address>
-ipdest=<IP4 Address>
-ipsrc=<IP4 Address>
-out
-out-nocap
-port=<0...65535>
-promisc
-proto=<0...255>
-show
-size=<value>
-snaplen=<value>
-srcport=<0...65535>
Remove all captured packets, release capture mode and delete
all written capture files from disk.
Number of packets to capture.
Destination TCP/UDP port filter.
Ethernet address filter.
Ethernet destination address filter.
Ethernet source address filter.
Filename for capture file.
ICMP filter.
IP address filter.
Destination IP address filter.
Source IP address filter.
Realtime packet brief dumped to console.
Unbuffered (not stored in memory) realtime packet brief
dumped to console.
TCP/UDP port filter.
Set iface in promiscuous mode.
IP protocol filter.
Show a captured packets brief.
Size (kb) of buffer to store captured packets in memory
(default 512kb).
Maximum length of each packet to capture.
Source TCP/UDP port filter.
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Chapter 2. Command Reference