NetSim v14.4 Help
Contents:
Introduction
Simulation GUI
Create Scenario
Devices specific to NetSim Internetworks Library
Click and drop into environment
Link Properties
Enable Packet Trace, Event Trace & Plots (Optional)
Enable protocol specific logs and plots
Run Simulation
Model Features
WLAN 802.11
WLAN standards supported in NetSim
The 2.4 GHz Channels
The 5 GHz Channels
The 5.9 GHz Channels
Channel Numbering
WLAN PHY Rate in NetSim
SIFS, Slot Time, CW Min, and CW Max settings
PHY Implementation
PHY States
802.11 implementation details
802.11 ac/ax MAC and PHY Layer Implementation
MAC Aggregation in NetSim
Signal to interference and noise ratio (SINR)
Error Model
Transmit Power
Carrier Sense
Transmission Range, Carrier Sense Range, and Interference Range
Carrier Sense (CS) Threshold
Transmitter’s choice of MCS
Hidden Node Behavior
IEEE 802.11 e QoS and EDCA
Rate Adaptation
Model Limitations
Wi-Fi GUI Parameters
IEEE 802.11 Results
Radio measurements log file
NetSim plots
IEEE 802.11 Backoff Log
Layer 2 (L2) Ethernet Switching
Spanning Tree Protocol
Switch Port States
Model Limitations
Switch: GUI Parameters
Open Shortest Path First (OSPF v2) Routing Protocol
OSPF Overview
OSPF Features
Excluded Features
OSPF: GUI Parameters
Transmission Control Protocol (TCP)
TCP overview
TCP Features
Congestion Control Algorithms in TCP
Limitations of TCP
TCP: GUI parameters
TCP Performance Metrics
TCP Reference Documents
User Datagram Protocol (UDP)
UDP Overview
UDP: GUI parameters
UDP Performance Metrics
UDP Reference Documents
IP Protocol
IP Performance Metrics
Buffering, Queueing and Scheduling
Buffers
Queuing
Scheduling
Links
Modeling Error in Wired Links
IP Addressing in NetSim
Featured Examples
802.11n MIMO
Effect of Bandwidth in Wi-Fi 802.11ac
Effect of Bandwidth
Factors affecting WLAN PHY Rate
Effect of AP-STA Distance on throughput
Effect of Pathloss Exponent
Effect of Transmitter power
IEEE802.11n
IEEE802.11ac
MAC Throughput and Efficiency comparison of 802.11 Legacy vs. HT protocols
Network Scenario
Part I: Legacy
Part II: High Throughput (HT)
Configuring IP addresses, subnets and applying firewall rules based on subnets using Class B IP addresses
IP Addressing
IP address classes
Configuring Class-B address in NetSim
Subnetting
Configuring Class-B subnetting
Firewall rules based on subnets
Different OSPF Control Packets
Configuring Static Routing in NetSim
Without Static Route
With Static Route
TCP Window Scaling
An enterprise network comprising of different subnets and running various applications
Design of a nationwide university network to analyze capacity, latency, and link failures
Introduction
Network Settings
Simulation cases and Application settings
Results and Observations
Internetworks Experiments in NetSim
Reference Documents
Latest FAQs
NetSim v14.4 Help
Index
Index