[Click] netflow

[Anthony Dempsey]

How do I add to the wiki is that just the main click site? Is there a
special log in?

On Wed, Jan 25, 2012 at 10:15 PM, Eddie Kohler <ekohler at gmail.com> wrote:

> Glad you got it working! It would be great if you could post some
> information about these steps somewhere, such as the wiki.
>
> Eddie
>
>
>
> On 1/24/12 8:28 AM, Anthony Dempsey wrote:
>
>> Disregard previous I got it working, I hadn't set up a collector element
>> on
>> the ns3 node.
>>
>> On Tue, Jan 24, 2012 at 12:25 PM, Anthony Dempsey<anthonyjdempsey at gmail.*
>> *com <anthonyjdempsey at gmail.com>
>>
>>> wrote:
>>>
>>
>>  I've done a bit more work on this and realised I hadn't encapsulated the
>>> netflow data in any packet type, I've now encapsulated it in UDP/IP
>>> headers. So my netflow now looks like:
>>>
>>> Idle ->  NetflowExport(af0, VERSION 10, INTERVAL 1)
>>>     ->  UDPIPEncap($myaddr3, 4739, 172.16.3.2, 4739)
>>>     ->  CheckIPHeader2(INTERFACES 172.16.1.2/255.255.255.0
>>> 172.16.2.1/255.255.255.0 172.16.3.1/255.255.255.0)
>>>     ->  rt;
>>>
>>> I'm still having problems when I try to send to a node in my simulation.
>>> The packets are ok, I've encapsulated them in ethernet headers and
>>> dropped
>>> them to a pcap file and they look fine and I can use IPEncp(4, ....)
>>> giving
>>> two IP headers and the simulation wont stop but does give me this
>>> warning:
>>>
>>> expensive Packet::push; have 8 wanted 14
>>>
>>> but I don't want to have IP in IP. I'm adding some FEC to IPFIX so I need
>>> to be able to encode, transfer, and decode the packets before they are
>>> passed to NS-3. If I don't use a click config file on node 3 I can get
>>> the
>>> simulation to complete but I need to access the packets before they are
>>> passed to NS-3. I can print the packets before they are passed to
>>> [0]output
>>> in the click files but the simulation crashes after that.
>>>
>>> Can anyone help me?
>>> Cheers,
>>> Anthony
>>>
>>> On Sat, Jan 21, 2012 at 4:43 PM, Anthony Dempsey<
>>> anthonyjdempsey at gmail.com>  wrote:
>>>
>>>  Can anyone point me to something that will help me set up the netflow
>>>> components correctly?
>>>> I'm trying to set up a simple simulation using ns3 of 4 nodes. n1 sends
>>>> to n2, the router should log details in the IPFIX format and export them
>>>> out to n3.
>>>>               n3
>>>>                |
>>>> n1--------router---------n2
>>>>
>>>> I have no idea if I'm setting the system up properly and no idea how to
>>>> get netflow components to send the information correctly.
>>>> I've taken the example ip routing config file in NS3 and modified it to
>>>> bring in the third node and I have an AggregateIPFlow component sitting
>>>> between the CheckIPHeader2 and the StaticIPLookup componenets
>>>>
>>>> ch2 :: CheckIPHeader2(...)
>>>>  ->  af0::AggregateIPFlows()
>>>>  ->  rt :: StaticIPLookup(....)
>>>>
>>>> For the netflow components I have the following set up
>>>>
>>>> Idle ->  NetflowExport(af0, VERSION 10, INTERVAL 1)
>>>>     ->  NetflowPrint(RECORDS true, VERBOSE true, OUTFILE netflow)
>>>>     ->  rt;
>>>>
>>>> And this produces nothing for me, if I change VERSION to 9 I get some
>>>> output in the netflow file but nothing interesting.
>>>> Can someone see what I've missed or show me where I can learn more about
>>>> how to set up netflow components and have them send packets from the
>>>> router
>>>> to n3 while the simulation runs?
>>>>
>>>> Cheers,
>>>> Anthony
>>>>
>>>>
>>>
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>