opapacketcapture1
Usage
opapacketcapture [-o
outfile]
[-d
devfile]
[-f
filterfile]
[-t
triggerfile]
[-l
triggerlag]
[-a
alarm]
[-p
packets]
[-s
maxblocks]
[-v
[-v]]
Options
-
--help -
Produces full help text.
-
-o outfile -
Specifies the output file for captured packets.
Default is packetDump.pcap
-
-d devfile -
Specifies the device file for capturing packets.
-
-f filterfile -
Specifies the file used for filtering. If absent, no filtering is done.
-
-t triggerfile -
Specifies the file used for triggering a stop capture. If absent, normal triggering is performed.
-
-l triggerlag -
Specifies the number of packets to collect after trigger condition is met, before dumping data and exiting. Default is 10.
-
-a alarm -
Specifies the number of seconds for alarm trigger to dump capture and exit.
-
-p packets -
Specifies the number of packets for alarm trigger to dump capture and exit.
-
-s maxblocks -
Specifies the number of blocks to allocate for ring buffer. Value is in Millions. Default is 2 which corresponds to 128 MiB because 1 block = 64 Bytes.
-
-v -
Produces verbose output. (Use verbose Level 1+ to show levels.)
Examples
# opapacketcapture
opapacketcapture: Capturing packets using 128 MiB buffer
^C
opapacketcapture: Triggered
Number of packets stored is 100
In the example above, opapacketcapture operates until CTRL+C is entered.
Releases
4 releases since Debian 10 (Buster); the text changed 1 time.