diff options
| -rw-r--r-- | tcpdump.1.in | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/tcpdump.1.in b/tcpdump.1.in index 88006dc5..5373ac0e 100644 --- a/tcpdump.1.in +++ b/tcpdump.1.in @@ -405,10 +405,11 @@ Attempt to detect 802.11s draft mesh headers. .TP .BI \-\-interface= interface .PD -Listen on \fIinterface\fP. -If unspecified, \fItcpdump\fP searches the system interface list for the -lowest numbered, configured up interface (excluding loopback), which may turn -out to be, for example, ``eth0''. +Listen, report the list of link-layer types, report the list of time +stamp types, or report the results of compiling a filter expression on +\fIinterface\fP. If unspecified, \fItcpdump\fP searches the system +interface list for the lowest numbered, configured up interface +(excluding loopback), which may turn out to be, for example, ``eth0''. .IP On Linux systems with 2.2 or later kernels, an .I interface |