Blog
By Date | By Topic
Testing Layer 2 Switch - A Comprehensive Guide using Ostinato Learn how to test Layer 2 switch functionality including MAC learning, flooding, forwarding, and aging using Ostinato network traffic generator Source Specific Multicast with Ostinato Learn how to test Source Specific Multicast (SSM) using Ostinato. This guide covers SSM basics, multicast senders, and IGMPv3/MLDv2 receiver testing Verify Linux conntrack scale for TCP connections How to use a stateless traffic generator like Ostinato to create TCP connections for testing Linux conntrack scale Verify NAT/PAT scaling using Ostinato How to generate traffic flows in the thousands and millions using Ostinato to verify NAT/PAT scaling Understanding NAT/PAT - A Step-by-Step Guide with Ostinato Learn the fundamentals of NAT and PAT, and how to effectively verify network address translations using Ostinato in this step-by-step guide Network Storm Test with Ostinato Learn about network storms and how to use Ostinato to generate them to verify your storm control settings are actually working to protect your network The cheat code for high throughput Discover how and why packet size affects link throughput Snake test for L2 switch using Ostinato Efficiently test L2 switch performance with a Snake Test. This guide covers DUT setup and Ostinato traffic streams for accurate, reliable results. How to setup link aggregation on Linux How to create a LAG/bonding interface on Linux and generate traffic out of the bond interface using Ostinato that is load-balanced across its member links Network load-balancing problems and solutions Learn about various problems that occur with load balancing network traffic and their possible solutions Link Aggregation and ECMP load-balancing Learn why link aggregation and ECMP is needed and how it works Verify IGMP snooping/proxy using Ostinato Learn how to generate various types of IGMP messages to verify IGMP snooping or IGMP proxy behavior of network switches and routers How to generate and verify multicast traffic Learn how to create test multicast traffic to verify IGMP and MLD snooping on your network Snake Test for networking performance testing Learn about the snake test, an easy approach to performance test every port of your L2 network switch with minimal traffic generator ports Packet generator vs traffic generator - which do you need? Learn about the similarities and differences between packet crafter, packet generator, traffic generator and traffic tester Bandwidth testing with Ostinato Discover bandwidth testing with Ostinato for MPLS, SDWAN or Internet circuits. Learn to setup and configure test streams to measure bandwidth TCP vs UDP - Understanding the differences and use cases Learn why TCP is reliable and how UDP prioritizes speed. Discover their key differences, advantages, and use cases in networking How to edit a PCAP file A selection of tools to prepare and edit a PCAP capture file to get it ready for sharing or replay in a different environment PCAP Replay Challenges and Solutions The challenges in replaying PCAP files replicating the timing and the complications in stateful application traffic replay Verify network QOS using Ostinato How to validate network device class of service configuration and overall network QOS using Ostinato test traffic with VLAN priority, IPv4 TOS and DSCP markings What are PCAP files and how to use them An introduction to PCAP files - what they are, how to create, how to read/view and how to replay packets from PCAP files