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Packet builder modules
=======================
The packet builder module is used for building a template packet for a stream, and creating a Field Engine program to change fields in the packet.
**Examples:**
* Build a IP/UDP/DNS packet with a src_ip range of 10.0.0.1 to 10.0.0.255
* Build IP/UDP packets in IMIX sizes
For example, this snippet creates a SYN attack::
# create attack from random src_ip from 16.0.0.0-18.0.0.254 and random src_port 1025-65000
# attack 48.0.0.1 server
def create_stream (self):
# TCP SYN
base_pkt = Ether()/IP(dst="48.0.0.1")/TCP(dport=80,flags="S")
pkt = STLPktBuilder(pkt = base_pkt)
return STLStream(packet = pkt, #<<<<< set packet builder inside the stream
mode = STLTXCont())
STLPktBuilder class
--------------------
Aggregate a raw instructions objects
.. autoclass:: trex_stl_lib.trex_stl_packet_builder_scapy.STLPktBuilder
:members:
:member-order: bysource
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