The IxNetwork Open Traffic Generator Python Package
Project description
Snappi Extension for IxNetwork
This extension allows executing test scripts written using snappi against
IxNetwork, (one of) Keysight's implementation of Open Traffic Generator.
To start contributing, please see contributing.md.
Install on a client
python -m pip install --upgrade "snappi[ixnetwork]"
Start scripting
"""
Configure a raw TCP flow with,
- tx port as source to rx port as destination
- frame count 10000, each of size 128 bytes
- transmit rate of 1000 packets per second
Validate,
- frames transmitted and received for configured flow is as expected
"""
import snappi
# host is IxNetwork API Server
api = snappi.api(host='https://localhost:443', ext='ixnetwork')
# new config
config = api.config()
# port location is chassis-ip;card-id;port-id
tx, rx = (
config.ports
.port(name='tx', location='192.168.0.1;2;1')
.port(name='rx', location='192.168.0.1;2;2')
)
# configure only one flow
flw = config.flows.flow(name='flw')[-1]
# configure rate, size, frame count and endpoints
flw.size.fixed = 128
flw.rate.pps = 1000
flw.duration.fixed_packets.packets = 10000
flw.tx_rx.port.tx_name = tx.name
flw.tx_rx.port.rx_name = rx.name
# configure protocol headers with defaults fields
flw.packet.ethernet().vlan().ipv4().tcp()
# set configuration and start traffic
api.set_config(config)
ts = api.transmit_state()
ts.state = ts.START
api.set_transmit_state(ts)
# wait for flow metrics to be as expected
while True:
metrics = api.get_flow_metrics(api.flow_metrics_request())
if all([m.frames_tx == 10000 == m.frames_rx for m in metrics]):
break
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