Routing and Switching

Why are RIP and OSPF protocols listed under Application Layer of Router?
Router is a five layer device. RIP and OSPF are Application Layer protocols of Router. For Eg, RIP and OSPF run on UDP while BGP runs on TCP. Moreover, rout...
Wed, 22 Feb, 2017 at 10:40 AM
Why are ICMP packet sent at the start of a simulation in NetSim?
The  ICMP  protocol  provides an echo mechanism by which a host may solicit a response from a gateway by sending message at a reasonable  rate. Since the me...
Fri, 29 Sep, 2017 at 4:25 PM
Why does the switch broadcast initially when a simulation in NetSim is started ?
When the destination MAC address is a multicast or broadcast address or when the destination MAC address has not been learned by the switch (is not in its M...
Tue, 30 May, 2017 at 6:04 PM
How to setup Static Route IP in NetSim v10.1
Static Routing: Routers forward packets using either route information from route table entries that configured manually or the route information that is c...
Wed, 15 Nov, 2017 at 6:49 PM
How do we set up Access control lists / Firewalls with respect to IP in NetSim?
Access Control List Access control lists (ACLs) perform packet filtering to control which packets move through a network and to where. The packet filtering...
Fri, 16 Mar, 2018 at 5:14 PM
What are the access control list options in NetSim? And where is the code for this?
Users can Permit or Deny traffic based on 1. Direction - Inbound/Outbound 2.Protocol - TCP / UDP/ IGMP / ICMP 3. Source IP Address 4. Destination IP ...
Wed, 28 Mar, 2018 at 10:56 AM
How to configure ACL with respect to Port numbers and Protocols in NetSim?
If you have a CBR and a Voice application configured between the same two nodes, CBR follows TCP and Voice follows UDP.  So you can block Voice packets by ...
Fri, 16 Mar, 2018 at 5:13 PM
How to access the rule list in the source codes of NetSim?
The Access Rule List for a specific device can be accessed using the API ACL_GET(nDeviceId), Where nDeviceId corresponds to the ID of the Device whose ACL i...
Thu, 31 May, 2018 at 4:43 PM
Explain how subnetting can be achieved in NetSim?
Subnetting is a way of partitioning a network at the IP level by dividing a block of addresses into a number of smaller sets. The Subnet mask identifies wh...
Mon, 2 Apr, 2018 at 3:56 PM
How to access Firewall.c and Firewall.h files of NetSim v10.2 in Visual Studio 2015?
Firewall project is not loaded in Visual Studio 2015 since the Firewall Project file(.vcxproj) is missing. Following steps can be used to load firewall proj...
Thu, 29 Mar, 2018 at 10:56 PM