TRex in Amazon AWS

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anur...@gmail.com

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Aug 18, 2016, 4:01:44 PM8/18/16
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Hi,

Has anyone tried TRex in Amazon AWS?
Can you share any how-to references for installation, configuration, and running RFC25400 tests?

Thanks!
Azeez

pavi...@gmail.com

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Aug 23, 2017, 6:25:48 AM8/23/17
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Hello Azeez,

Did you manage to get TREX up and running on AWS ?

Regards,
Avinash

hanoh haim

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Aug 23, 2017, 9:32:04 AM8/23/17
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With AWS that support SR-IOV of 599 it wouldn't be a problem.

Hanoh

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aze...@cisco.com

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Aug 23, 2017, 11:04:14 AM8/23/17
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1. Install a RedHat or CentOS instance in AWS
2. Attach any network interfaces for test traffic
3. Go to section 2.2.4 in this document: https://trex-tgn.cisco.com/trex/doc/trex_manual.html#_verify_intel_nic_installation
4. [important] Run lspci and verify the test traffic network interfaces have 82599 chipset
5. If yes, continue thru the document to install and set up TRex

Hope this helps.

Azeez

Avinash

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Aug 24, 2017, 4:04:48 AM8/24/17
to aze...@cisco.com, TRex Traffic Generator, Azeez Nuruddin
Thanks Azeez.
Will let you know how it goes.

Regards,
Avinash


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Avinash

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Aug 25, 2017, 4:56:34 AM8/25/17
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Hi Azeez,

My Trex setup is successful.

Now I want to generate traffic for one of my server in AWS with public IP.
I have a ubuntu machine in VPC A where I am running the TREX and I want to send traffic to my server in another VPC B

Can I do this ?
Please let me know the steps to do it.

Regards,
Avinash
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hanoh haim

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Aug 25, 2017, 6:16:52 AM8/25/17
to Avinash, aze...@cisco.com, Azeez Nuruddin, TRex Traffic Generator
Can you elaborate why you want to send traffic between VPC A and B? You won't be able to measure latency this way.

Have a look into Stateless manual for how to configure Streams 

Hanoh

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Azeez Nuruddin

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Aug 25, 2017, 9:09:09 AM8/25/17
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Avinash,

Echoing Hanoh’s question - what is your test case?

As long as the server in B and TRex in A can reach each other, it should be doable. However you would need to have two public IPs for the two TRex ports in A and two public IPs for the two server ports in B so that they are reachable across.
You would have to be careful with routing then.

State your test case, and perhaps you can do a simpler setup.


Azeez

Avinash

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Aug 25, 2017, 9:21:18 AM8/25/17
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Thanks for your quick response folks.
My use case is to test in-built scale out feature of AWS used by our DPI Server.

Basically our DPI is like man in the middle for communication between VPC A and VPC B.

So Trex in A would generate traffic for some machine in B and this would be intercepted by DPI. More the traffic comes in more would be our DPI instances.

Regards,
Avinash

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hanoh haim

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Aug 25, 2017, 9:59:56 AM8/25/17
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What is the latency you would expect between A and B?
The current Stateful assumes latency of less that 40msec. 

I would wait a bit for the new Advance Stateful that will Make it possible to support this see :


Thanks,
Hanoh

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Avinash

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Aug 25, 2017, 10:37:07 AM8/25/17
to hanoh haim, TRex Traffic Generator, Azeez Nuruddin, Azeez Nuruddin
I would create two VPCs in Mumbai region only, so expecting the latency to be less than 40 msec..
But we might need inter-region deployment in future too.

Please let me know as to how can I configure Trex to send traffic across VPCs.

Regards,
Avinash

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hanoh haim

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Aug 25, 2017, 10:43:20 AM8/25/17
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In that case you would be able to use current Stateful mode.
I don't have a lot of experience with AWS network configuration but if you would be able to put the TRex traffic ports (C/S) on the same vSwitch like your DUT Traffic ports there won't be a problem. See 3.3.1 in the manual for how it is done with ESXi

Thanks,
Hanoh

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Azeez Nuruddin (azeezn)

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Aug 25, 2017, 10:45:19 AM8/25/17
to Avinash, hanoh haim, TRex Traffic Generator, Azeez Nuruddin

Avinash,

 

Since it is a test and not pre-production deployment, can your scale out feature be tested within one VPC. It will keep things simple for you.

When you go out for full-scale deployment, your feature has been tested by then and you would not have to deal with TRex and related testing concerns.

 

 

Peace!

Azeez

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