diff options
Diffstat (limited to 'utilities/ovs-ofctl.8.in')
| -rw-r--r-- | utilities/ovs-ofctl.8.in | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in index 4bfd5436..2a20a2f4 100644 --- a/utilities/ovs-ofctl.8.in +++ b/utilities/ovs-ofctl.8.in @@ -243,7 +243,7 @@ If a switch has no controller configured, or if the configured controller is disconnected, no traffic is sent, so monitoring will not show any traffic. . -.IP "\fBmonitor \fIswitch\fR [\fImiss-len\fR]" +.IP "\fBmonitor \fIswitch\fR [\fImiss-len\fR] [\fIinvalid_ttl\fR]" Connects to \fIswitch\fR and prints to the console all OpenFlow messages received. Usually, \fIswitch\fR should specify the name of a bridge in the \fBovs\-vswitchd\fR database. @@ -256,6 +256,13 @@ does not send these and other asynchronous messages to an specified on this argument. (Thus, if \fImiss\-len\fR is not specified, very little traffic will ordinarily be printed.) .IP +.IP +If \fBinvalid_ttl\fR is passed, \fBovs\-ofctl\fR sends an OpenFlow ``set +configuration'' message at connection setup time that requests +\fIINVALID_TTL_TO_CONTROLLER\fR, so that \fBovs\-ofctl monitor\fR can +receive ``packets-in'' messages when TTL reaches zero on \fBdec_ttl\fR action. +.IP + This command may be useful for debugging switch or controller implementations. . @@ -778,6 +785,16 @@ OpenFlow implementations do not support queuing at all. Restores the queue to the value it was before any \fBset_queue\fR actions were applied. . +.IP \fBdec_ttl\fR +Decrement TTL of IPv4 packet or hop limit of IPv6 packet. If the +TTL or hop limit is initially zero, no decrement occurs. Instead, +a ``packet-in'' message with reason code \fBOFPR_INVALID_TTL\fR is +sent to each connected controller that has enabled receiving them, +if any. Processing the current set of actions then stops. +However, if the current set of actions was reached through +``resubmit'' then remaining actions in outer levels resume +processing. +. .IP \fBnote:\fR[\fIhh\fR]... Does nothing at all. Any number of bytes represented as hex digits \fIhh\fR may be included. Pairs of hex digits may be separated by |