diff options
Diffstat (limited to 'contrib/traceroute/traceroute.8')
| -rw-r--r-- | contrib/traceroute/traceroute.8 | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/contrib/traceroute/traceroute.8 b/contrib/traceroute/traceroute.8 index d4f1bc2..26e11b6 100644 --- a/contrib/traceroute/traceroute.8 +++ b/contrib/traceroute/traceroute.8 @@ -13,7 +13,7 @@ .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED .\" WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. .\" -.\" $Header: /home/ncvs/src/contrib/traceroute/traceroute.8,v 1.2 1996/10/08 02:44:23 sef Exp $ +.\" $Header: /home/ncvs/src/contrib/traceroute/traceroute.8,v 1.3 1998/01/09 18:46:53 steve Exp $ .\" .TH TRACEROUTE 8 "27 September 1996" .UC 6 @@ -35,24 +35,29 @@ max_ttl .br .ti +8 [ +.B \-P +.I proto +] [ .B \-p .I port ] [ .B \-q .I nqueries -] [ -.B \-s -.I src_addr ] .br .ti +8 [ +.B \-s +.I src_addr +] [ .B \-t .I tos ] [ .B \-w .I waittime ] +.br +.ti +8 .I host [ .I packetlen @@ -91,8 +96,18 @@ Print hop addresses numerically rather than symbolically and numerically (saves a nameserver address-to-name lookup for each gateway found on the path). .TP +.B \-P +Send packets of specified IP protocol. The currently supported protocols +are: UDP, TCP and GRE. Other protocols may also be specified (either by +name or by number), though +.I traceroute +does not implement any special knowledge of their packet formats. This +option is useful for determining which router along a path may be +blocking packets based on IP protocol number. But see BUGS below. +.TP .B \-p -Set the base UDP port number used in probes (default is 33434). +Protocol specific. For UDP and TCP, sets +the base port number used in probes (default is 33434). Traceroute hopes that nothing is listening on UDP ports .I base to @@ -298,4 +313,13 @@ The current version is available via anonymous ftp: .I ftp://ftp.ee.lbl.gov/traceroute.tar.Z .RE .SH BUGS +When using protocols other than UDP, functionality is reduced. +In particular, the last packet will often appear to be lost, because +even though it reaches the destination host, there's no way to know +that because no ICMP message is sent back. +In the TCP case, +.I traceroute +should listen for a RST from the destination host (or an intermediate +router that's filtering packets), but this is not implemented yet. +.PP Please send bug reports to traceroute@ee.lbl.gov. |
