Re: Trex - DNR Bench Tool

[Besart Dollma]

Hi, 

Check the mapping of the ports in the console. Also, when it fails it should print the map. 

Thanks,

Bes

On Thursday, February 4, 2021 at 9:22:21 PM UTC+2 Leonardo Asseph wrote:

Hello,

I'm trying to run the DNR Bench Tool and I'm getting an error: 

python stl_ndr_bench_tool.py --port 0 1

some given ports pairs are not configured properly 

I'm running the server with -i (interactive). I can run traffic fine using the /trex-console

/t-rex-64 -i -c 2

Here is my yaml file:

### Config file generated by dpdk_setup_ports.py ###

- version: 2

  interfaces: ['17:00.0', '17:00.1', '17:00.2', '17:00.3']

  prefix: trex1

  limit_memory: 1048

  port_info:

      - dest_mac: 00:1c:7f:6c:43:9e

        src_mac:  00:1c:7f:60:e1:90

      - dest_mac: 00:1c:7f:6c:43:9f

        src_mac:  00:1c:7f:60:e1:91

      - dest_mac: 00:1c:7f:6c:43:a0

        src_mac:  00:1c:7f:60:e1:92

      - dest_mac: 00:1c:7f:6c:43:a1

        src_mac:  00:1c:7f:60:e1:93

  platform:

      master_thread_id: 0

      latency_thread_id: 23

      dual_if:

        - socket: 0

          threads: [1,2,3,4,5,12,13,14,15,16,17]

        - socket: 0

          threads: [6,7,8,9,10,11,18,19,20,21,22]

Anyone encounter the error before or have any idea how to run the NDR Bench Tool?

Thanks in advance,

L.A.

[Leonardo Asseph]

Hi Bes,

Thanks for your answer. I'm checking "map" in the console and this is what I get:

It seems the ports are not mapped? How do I map the ports?

Thanks in advance!

Leo.

[Besart Dollma]

Hi, 

TRex can't successfully map the ports. It probably isn't configured as it should be. 

Take a look at the configuration file, start with a simple profile.

Thanks,

[Leonardo Asseph]

Hello Bes,

I created a new configuration file using IP address vs the MAC addresses I was using in my previous config (see .yaml on previous post).

I'm able to see the port attributes, complete an arp request, and pass traffic fine.

 However, the ports are still no showing up in the map topology. Is there something that you can tell I'm doing wrong?

Thus, when I try to run the DNR Bench Tool I still get error:

Please let me know if you have any more hints as to what could be wrong,

Thanks again,

L.A.

[Besart Dollma]

Hi,

Take a look at map_ports (which is the function that maps the ports):

https://trex-tgn.cisco.com/trex/doc/cp_stl_docs/api/client_code.html?highlight=map_ports#trex.stl.trex_stl_client.STLClient.map_ports

https://github.com/cisco-system-traffic-generator/trex-core/blob/d7fe280d5ecce375a34eac25ab88cd84a5bcc01e/scripts/automation/trex_control_plane/interactive/trex/common/trex_client.py#L2635

Thanks,

Bes