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NETSIM SUPPORT PORTAL

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+91 7676054321



KNOWLEDGE BASE


FAQS

FAQ 23
 * What is your support email ID ?
 * What is your contact number ?
 * What are the minimum system requirements for NetSim & NetSim license server?
 * Does NetSim support SDN?
 * What is the support and upgrade policy for NetSim?

View all 23
Getting Started 18
 * Error Message - " No License for product (-1) "
 * Where can I find documentation and videos on NetSim?
 * No response when clicking OK button in NetSim License Window?
 * Why does an error pop up arises when opening the NetSim.sln file through
   visual studio. ?
 * How to avoid getting the licensing window on NetSim startup?

View all 18
Purchase / Pricing 4
 * Is NetSim available for personal use ?
 * Do you provide a trial / evaluation / demo version of NetSim?
 * What is the cost of NetSim academic / standard version ?
 * What is the difference between standard and academic versions?

Licensing 14
 * How to restrict access to the NetSim license server web interface?
 * How to set-up MAC address based licenses to run NetSim?
 * How to use NetSim (RLM) License Server through a Firewall?
 * How to reserve NetSim Licenses for a specific PC/Laptop?
 * How do I use NetSim across a firewall? What ports should be opened?

View all 14


TECHNOLOGIES & PROTOCOLS

Cognitive Radio - 802.22 13
 * Understanding 802.22 Superframe structure using NetSim Packet Trace log file
 * Primary User Emulation attack in Cognitive Radio
 * How do secondary users switch channels in NetSim CR ?
 * How is spectrum sensing done in NetSim 802.22 library?
 * What packets does the SU send when it senses PU in 802.22 CR networks?

View all 13
Internet of Things (IOT), Wireless Sensor Networks, 802.15.4 67
 * Where can I find the latest LEACH source codes for NetSim?
 * What is an agent in WSN simulation ?
 * What is the WSN packet size and how is throughput calculated ?
 * How to configure a mobile receiver in WSN/IOT simulation in NetSim?
 * Add a character in COAP response payload and reading it at receiver

View all 67
GSM / CDMA / LTE / LTE - A 26
 * How can I print the MME's Home location register (HLR) to a file
 * Can you explain the working of LTE NetSim code ?
 * What are the settings needed to setup handover in GSM and how can this be
   analysed?
 * When and how does handover occur in LTE?
 * How does association happen in LTE in NetSim?

View all 26
Wireless LAN - 802.11 29
 * Does NetSim Support 802.11 p ?
 * How are packet collisions modeled in NetSim?
 * How do I configure 802.11 simulation for RTS / CTS to work ?
 * How do I change the random back off algorithm in WLAN ?
 * How do we change CW(min) and DIFS value for a 802.11 Wi-fi node?

View all 29
MANETs 26
 * Why is TCP Disabled when running IDS in MANET?
 * How to set Transmitter Power in MANET nodes individually?
 * Why do I see more packet received than sent in UDP metrics of MANET ?
 * How to check the connectivity between two nodes in MANET?
 * How do I vary the channel capacity (PHY Data Rate) for nodes running
   IEEE802.11 Protocol?

View all 26
Routing and Switching 25
 * Why are RIP and OSPF protocols listed under Application Layer of Router?
 * Why are ICMP packet sent at the start of a simulation in NetSim?
 * Why does the switch broadcast initially when a simulation in NetSim is
   started ?
 * How to setup Static Route IP in NetSim?
 * How do we set up Access control lists / Firewalls with respect to IP in
   NetSim?

View all 25
Network Emulation - Interfacing with external PCs/Devices 14
 * How do I connect NetSim to real PC's ?
 * When I run ping in emulation why is it showing round trip delay but only one
   direction delay ?
 * How does an Emulation Application in NetSim Work?
 * We are developing an app, and want to know how to use NetSim emulator to
   study the effect of network congestion/delay on the app performance
 * Is the real-virtual node mapping based on IP?

View all 14
Mobility Models 8
 * What is calculation interval parameter in NetSim's mobility models?
 * How do I set different mobility models in NetSim? And get the nodes(s)
   position over time?
 * Why am I not able to see node movement in the animation?
 * How to move a node from one coordinate to another pre-decided coordinate say
   (100, 100)?
 * How to set the initial positions for devices from a .csv/xl file?

View all 8
VANETs 33
 * How do I interface with SUMO for VANET simulation?
 * Simulation halts with message "creating sumo pipes"?
 * Unable to open SUMO Config file in NetSim via New->VANET
 * How to perform VANET Simulations in NetSim over map view?
 * Please explain the steps involved in interfacing SUMO with NetSim

View all 33
Transmission Control Protocol (TCP) 2
 * Explain the working of different TCP congestion control algorithms in NetSim?
 * Understanding TCP Bandwidth Delay Product using Netsim

Software Defined Networking (SDN) 11
 * How do I configure a sensor to be a SDN controller?
 * How to add custom commands to NetSim SDN/ Interactive Simulation module?
 * Can different types of controllers such as ONOS, OpenDaylight used to connect
   to SDN architecture in NetSim?
 * I see no response to my SDN command. Reasons and resolutions.
 * How to set nodes as SDN controllers dynamically (at run time) in NetSim?

View all 11
5G NR 34
 * Simulating Ping Pong Handover in 5G
 * Simulating a simple DDoS attack in 5G
 * 5G Data Rate and Throughput Calculator
 * How does the 5G MAC scheduler work in NetSim?
 * How to obtain SINR, MCS and Throughput vs. Time for a 5G 1gNB-1UE scenario
   with a time varying radio channel in NetSim?

View all 34
UWAN 1
 * How can a user modify the underwater acoustic propagation models in NetSim?


MODELING/UI/RESULTS

Modeling & Simulation 26
 * What code executes when a node is dropped?
 * Do you have directional antenna in NetSim?
 * Where can I see the properties of a wireless device?
 * How does the Random Number Generator in NetSim work?
 * How to model errors in links in NetSim?

View all 26
Interfacing with other software 18
 * How do I pass the node co-ordinates to MATLAB?
 * Troubleshooting - Interfacing MATLAB with NetSim
 * Can I generate a pcap file (wireshark packet capture) at a node in NetSim?
 * How do I generate the simulated TCP's flow graph in Wireshark?
 * How to reduce number of steps involved in MATLAB interfacing using System
   Environment Variables?

View all 18
Simulation Results and Trace Files 47
 * How does one start understanding the packet trace ?
 * In NetSim how do I measure 'Jitter' from the output results ?
 * How I find out the number of out of order packets at the end of a simulation
   ?
 * How do I calculate route acquisition time in MANET simulations ?
 * How do I get the source data for NetSim Plots?

View all 47
User Interface 28
 * How to resolve Error number=126 in NetSim?
 * How to record & save NetSim Packet Animation as a Video file?
 * "Error connecting to the Internet, opening in Grid View" - NetSim v10.2
 * Unable to see device properties?
 * How do I place a device, establish links and run a simulation using NetSim
   GUI?

View all 28
Application Modeling 8
 * Why are packets being transmitted beyond the Application end time?
 * How do I send one packet every one second?
 * How to assign priority to applications?
 * Why do I see throughput zero for Multicast Applications?
 * How to create applications in WSN between the sink and the sensors
   automatically via code instead of doing it manually in GUI?

View all 8


WRITING YOUR OWN CODE IN NETSIM

NetSim Internals 36
 * How do I get the current simulation time?
 * What is the API to create a packet?
 * How do I write to NetSim console for debugging ?
 * How do I change the payload of a packet in NetSim?
 * What are the packet buffers in nodes in NetSim ? How can they be accessed ?

View all 36
Visual Studio - Settings/Errors 14
 * Which version of Visual Studio is required for NetSim?
 * How to resolve Error LNK1123 when building code?
 * What is the development environment settings for NetSim v10/v11/v12?
 * Why are Linker errors displayed while building NetSim projects in Visual
   Studio?
 * What components of Visual Studio Community 2017/2019 to install and configure
   to work with NetSim source codes?

View all 14
Machine learning (ML) with NetSim 3
 * Changing internal simulation states in NetSim when interfacing ML algorithms
 * Offline and online Machine Learning (ML) with NetSim
 * Reinforcement learning (RL) - MDP, Q-learning - with NetSim

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