Hi all,
we are seeking a tool upon ovs-appctl ofproto/trace or an option that allows to
have the following feature:
tcp-ovs-dump <BRIDGE> <PORT_SPEC> <... TCPDUMP OPTIONS>
Listen to packets captured in <INTERFACE> by using the standard command
'tcpdump' with options specified at <TCPDUMP OPTIONS>
being passed to the 'tcpdump'. Provide the captured packets to the ovs bridge
specified by BRIDGE to the port
specified in PORT_SPEC to retrieve the ofproto/trace and display to the
standard output.
BRIDGE Specifies the ovs bridge
PORT_SPEC A PORT_SPEC is a specification of a PORT and an optional
INTERFACE, separated by colon (:)
For instance:
1:tunn_398ac
The tool will listen to packets captured at the specified
interface and will use
the correspondent port to pass the ofproto/trace with those
packets. If the interface
is absent, then the tool will automatically generate a mirror
interface to listen
at the correspondent port, and remove it afterwards
TCPDUMP OPTIONS
Every option after the main options are unparsed and passed 'as
is' to the tcpdump.
This includes the -f option to specify filters, etc
Example:
tcp-ovs-dump br-int 1:tunn_398ac -f icmp
Do you know if such a tool exists? If not, what do you think of adding a tool
like this to existing ovs toolset?
david
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