yaml-cpp: error at line 1, column 3: key not found: duration

[Sandeep Raman]

Hi,

First time user of TRex on a Intel 82599ES 10-Gigabit NIC. Using the simple cfg yaml for a loopback scenario [DPDK in a box].

When i run trex, it errors as below. I have tried v2.36 and v2.35.

[root@trexnode v2.36]# ./t-rex-64 -f /etc/trex_cfg.yaml
The ports are bound/configured.
Starting TRex v2.36 please wait ...
set driver name net_ixgbe
driver capability : TCP_UDP_OFFLOAD TSO
Number of ports found: 2
zmq publisher at: tcp://*:4500
wait 1 sec .
port : 0
------------
link : link : Link Up - speed 10000 Mbps - full-duplex
promiscuous : 0
port : 1
------------
link : link : Link Up - speed 10000 Mbps - full-duplex
promiscuous : 0
number of ports : 2
max cores for 2 ports : 1
max queue per port : 3
yaml-cpp: error at line 1, column 3: key not found: duration
[root@trexnode v2.36]# ./t-rex-64 -f /etc/trex_cfg.yaml -c 2 -d 30
The ports are bound/configured.
Starting TRex v2.36 please wait ...
set driver name net_ixgbe
driver capability : TCP_UDP_OFFLOAD TSO
Number of ports found: 2
zmq publisher at: tcp://*:4500
wait 1 sec .
port : 0
------------
link : link : Link Up - speed 10000 Mbps - full-duplex
promiscuous : 0
port : 1
------------
link : link : Link Up - speed 10000 Mbps - full-duplex
promiscuous : 0
number of ports : 2
max cores for 2 ports : 2
max queue per port : 4
yaml-cpp: error at line 1, column 3: key not found: duration
[root@trexnode v2.36]#

[root@trexnode v2.35]#./t-rex-64 -f /etc/trex235mac_cfg.yaml -c 2 -d 30
The ports are bound/configured.
Starting TRex v2.35 please wait ...
set driver name net_ixgbe
driver capability : TCP_UDP_OFFLOAD TSO
Number of ports found: 2
zmq publisher at: tcp://*:4500
wait 1 sec .
port : 0
------------
link : link : Link Up - speed 10000 Mbps - full-duplex
promiscuous : 0
port : 1
------------
link : link : Link Up - speed 10000 Mbps - full-duplex
promiscuous : 0
number of ports : 2
max cores for 2 ports : 2
max queue per port : 4
yaml-cpp: error at line 1, column 3: key not found: duration
[root@trexnode v2.35]#

Here is the cfg file:

[root@trexnode etc]# cat trex_cfg.yaml
- port_limit : 2
version : 2
#List of interfaces. Change to suit your setup. Use ./dpdk_setup_ports.py -s to see available options
interfaces : ["05:00.0","05:00.1"]
port_info : # Port IPs. Change to suit your needs. In case of loopback, you can leave as is.
- ip : 0.0.0.0
default_gw : 0.0.0.0
- ip : 0.0.0.0
default_gw : 0.0.0.0

[root@trexnode etc]# cat trex235mac_cfg.yaml
- port_limit : 2 # this option can limit the number of port of the platform
version : 2
interfaces : ["05:00.0","05:00.1"] # list of the interfaces to bind run ./dpdk_nic_bind.py --status
port_info : # set eh mac addr
- dest_mac : [14:02:ec:74:2b:ec] # port 0
src_mac : [14:02:ec:74:2b:ed]
- dest_mac : [0x0,0x0,0x0,0x2,0x0,0x00] # port 1
src_mac : [0x0,0x0,0x0,0x1,0x0,0x00]
- dest_mac : [0x0,0x0,0x0,0x5,0x0,0x00] # port 2
src_mac : [0x0,0x0,0x0,0x6,0x0,0x00]
- dest_mac : [0x0,0x0,0x0,0x6,0x0,0x01] # port 3
src_mac : [0x0,0x0,0x0,0x5,0x0,0x02]
- dest_mac : [0x0,0x0,0x0,0x9,0x0,0x03] # port 4
src_mac : [0x0,0x0,0x0,0xa,0x0,0x04]
- dest_mac : [0x0,0x0,0x0,0xa,0x0,0x05] # port 5
src_mac : [0x0,0x0,0x0,0x9,0x0,0x06]
- dest_mac : [0x0,0x0,0x0,0xd,0x0,0x07] # port 6
src_mac : [0x0,0x0,0x0,0xe,0x0,0x08]
- dest_mac : [0x0,0x0,0x0,0xe,0x0,0x09] # port 7
src_mac : [0x0,0x0,0x0,0xd,0x0,0x0a]

[root@trexnode etc]#

What should be done to get this working.

Thanks,
Sandeep Raman.

[Yaroslav Brustinov]

Hi,

There are 2 YAML files:

One is platform configuration (with interfaces, cores, memory etc.).

It's being passed as --cfg argument, and is relevant to all modes (stateful, stateless, astf)

Another one is traffic-related config (templates of pcaps, IP ranges etc.)

It's being passed as -f argument, and is relevant only to stateful mode.

Thanks,

Yaroslav.

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[Sandeep Raman]

Hi,

I checked few example files and each of the file has the entry <<- duration : 10>>. Can you or anyone on the group post a working yaml file for a simple DPDK in a box aka loopback scenario.

Thanks,

Sandeep.

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[Sandeep Raman]

This is solved now and I am using the following command: ./t-rex-64 -f cap2/imix_64_100k.yaml -c 4 -d 30.