diff options
Diffstat (limited to 'usr.sbin/traceroute/traceroute.8')
| -rw-r--r-- | usr.sbin/traceroute/traceroute.8 | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/usr.sbin/traceroute/traceroute.8 b/usr.sbin/traceroute/traceroute.8 index e886a3b73ef..dedbb1545ab 100644 --- a/usr.sbin/traceroute/traceroute.8 +++ b/usr.sbin/traceroute/traceroute.8 @@ -44,6 +44,7 @@ .Nd print the route packets take to network host .Sh SYNOPSIS .Nm traceroute +.Op Fl c .Op Fl d .Op Fl D .Op Fl g Ar gateway_addr @@ -106,8 +107,10 @@ Change the protocol being used from .Tn UDP to a numeric protocol or a name as specified in .Pa /etc/protocols . -This will not work reliably for most protocols, and is only intended -for testing certain things, like sipp-esp and sipp-ah. +This will not work reliably for most protocols. If set to 1 (ICMP), then +ICMP Echo Request messages will be used (same as +.Xr ping 8 +). .It Fl p Ar port Set the base .Tn UDP @@ -127,6 +130,12 @@ message will be returned to terminate the route tracing). If something is listening on a port in the default range, this option can be used to pick an unused port range. +.It Fl c +Do not increment the destination port number in successive UDP +packets. Rather, all UDP packets will have the same destination port, +as set via the +.Fl p +flag (or 33434 if none is specified). .It Fl q Ar nqueries Set the number of probes per ``ttl'' to .Ar nqueries |