diff options
Diffstat (limited to 'upstream/mageia-cauldron/man8/traceroute.8')
| -rw-r--r-- | upstream/mageia-cauldron/man8/traceroute.8 | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/upstream/mageia-cauldron/man8/traceroute.8 b/upstream/mageia-cauldron/man8/traceroute.8 index 9c8d2325..46074ad9 100644 --- a/upstream/mageia-cauldron/man8/traceroute.8 +++ b/upstream/mageia-cauldron/man8/traceroute.8 @@ -298,7 +298,9 @@ The MPLS (rfc4950) is shown parsed, in a form: .B MPLS:L=\fIlabel\fB,E=\fIexp_use\fB,S=\fIstack_bottom\fB,T=\fITTL (more objects separated by .B / -). +). The Interface Information (rfc5837) is shown parsed as well, in a following form: +.B \fR{\fBINC\fR|\fBSUB\fR|\fBOUT\fR|\fBNXT\fR}\fB:\fIindex\fB,\fIIP_addr\fB,"\fIname\fB",mtu=\fIMTU\fB +(all four fields may be missing). .TP .B \-A, \-\-as\-path\-lookups Perform AS path lookups in routing registries and print results @@ -483,16 +485,47 @@ setting for the tcp header options above and .BR ecn . Always set by default, if nothing else specified. .TP -.B mss\fR=\fInum +.B fastopen +Use fastopen tcp option (when +.BR syn ), +for initial cookie negotiation only. +.TP +.B mss\fR=[\fInum\fR] Use value of .I num -for maxseg tcp header option (when -.BR syn ). +(or unchanged) for maxseg tcp header option (when +.BR syn ), +and discover its clamping along the path being traced. +New changed +.I mss +is printed once in a form of +.B M=\fINUM +at the first probe on which it was detected. +Note, some routers may return too short original fragment +in the time exceeded message, making the check impossible. +Besides that the responses may come in a different order. +All this can lead to a later place of the report +(using +.BR \-N\ 1 +can help for the order). .TP .B info -Print tcp flags of final tcp replies when the target host is reached. +Print tcp flags and supported options +of final tcp replies when the target host is reached. Allows to determine whether an application listens the port and other useful things. +Supported tcp options are all that can be set by +.BR \-T\ \-O , +ie. +.IR mss , +.IR sack , +.IR timestamps , +.IR window_scaling +and +.IR fastopen , +with the similar output format (a value for +.IR mss +and just presence for others). .P Default options is .BR syn,sysctl . |