diff options
Diffstat (limited to 'contrib/traceroute/traceroute.8')
| -rw-r--r-- | contrib/traceroute/traceroute.8 | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/contrib/traceroute/traceroute.8 b/contrib/traceroute/traceroute.8 index 710ecde..3592c51 100644 --- a/contrib/traceroute/traceroute.8 +++ b/contrib/traceroute/traceroute.8 @@ -24,7 +24,7 @@ traceroute \- print the route packets take to network host .na .B traceroute [ -.B \-deFISdnrvx +.B \-dDeFISdnrvx ] [ .B \-f .I first_ttl @@ -112,6 +112,18 @@ Set the "don't fragment" bit. .B \-d Enable socket level debugging. .TP +.B \-D +When an ICMP response to our probe datagram is received, +print the differences between the transmitted packet and +the packet quoted by the ICMP response. +A key showing the location of fields within the transmitted packet is printed, +followed by the original packet in hex, +followed by the quoted packet in hex. +Bytes that are unchanged in the quoted packet are shown as underscores. +Note, +the IP checksum and the TTL of the quoted packet are not expected to match. +By default, only one probe per hop is sent with this option. +.TP .B \-g Specify a loose source route gateway (8 maximum). .TP @@ -163,7 +175,11 @@ listening on a port in the default range, this option can be used to pick an unused port range. .TP .B \-q -Set the number of probes per hop (default is 3). +Set the number of probes per hop (default is 3, +unless +.B -D +is specified, +when it is 1). .TP .B \-r Bypass the normal routing tables and send directly to a host on an attached |
