segunda-feira, 11 de julho de 2016

Network Traffic Generator and Analyzer


Pessoal, eu estava acostumado a utilizar o Iperf e o Jperf para gerar tráfego e simular alguns ambientes (labs,Pocs etc) nas empresas que passei, porém essa semana conheci o Ostinato, um gerador de tráfego mais avançado com as seguintes features:

FLOSS - Free, Libre, Open-Source Software
Cross-Platform - runs on Windows, Linux, BSD and Mac OS X
Useful for both network load testing and functional testing
Use via GUI or Python API
Support for the most common standard protocols
Ethernet/802.3/LLC SNAP
VLAN (with QinQ)
ARP, IPv4, IPv6, IP-in-IP a.k.a IP Tunnelling (6over4, 4over6, 4over4, 6over6)
TCP, UDP, ICMPv4, ICMPv6, IGMP, MLD
Any text based protocol (HTTP, SIP, RTSP, NNTP etc.)
More protocols in the works …
Set a value for any field of any protocol
Vary packet fields across packets at run time e.g. changing IP/MAC addresses
User provided Hex Dump - specify some or all bytes in a packet
User defined script to substitute for an unimplemented protocol (EXPERIMENTAL)
Stack protocols in any arbitrary order
Create and configure multiple streams
Configure stream rates, bursts, no. of packets
One agent can control and configure multiple ports on multiple computers generating traffic
Multiple agents can share control over a single port on a single computer
Exclusive control of a port to prevent the OS from sending stray packets provides a controlled testing environment (Windows only)
Statistics Window shows port receive/transmit statistics and rates for realtime network monitoring and measurement
Capture network traffic (needs Wireshark to view the captured packets)
Open and edit PCAP files, replay and save back
Framework to add new protocol builders easily
Network Device Emulation (ARP and ICMP) for multiple IP hosts to aid in network traffic simulation

Além disso ele possui uma versão apliance para ser integrado com o GNS3 (https://gns3.com/discussions/ostinato-appliance-updated-to-ve), segue algumas imagens de como utilizar a ferramenta (mostra o pacote completo formado):






Link:
http://ostinato.org/

Abraços

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