Re: netflow

Hi,

I just created a login for you; it should be in your email.

Eddie

On Mon, Feb 13, 2012 at 6:17 PM, Anthony Dempsey
<[email protected]> wrote:
> 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 <[email protected]> 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@gmail.*
>>> *com <[email protected]>
>>>
>>>> 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<
>>>> [email protected]>  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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>>
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