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network simulator

Presentation

You can use this mode to display the exchanges of IP packets between the network stations. It also illustrates how the ARP protocol and the routing mechanism work.

In IP mode, the state of each connection point is displayed in the same way as in Ethernet mode.

It is possible to power off or power on a station, a router, a hub or a switch via its pop-up menu.

You can also use the pop-up menu of a station to:

  • Edit its IP configuration: host name (use the name that you have chosen in design mode), gateway, and routing activation (available only if the station has several interfaces).
  • Edit its routing table (item "tables").
  • Edit its ARP cache (item "tables").
  • Empty its ARP cache.
  • Edit its "hosts" file (item "tables"). In this version of the software, the "hosts" file is the only way to carry out domain name resolution.
  • Simulate the sending of a "ping".

Note on the routing table: The "metric" field is currently not taken into account, and you cannot define several routes for the same destination.

You can also use the pop-up menu of a router to:

You can use the pop-up menu of a network interface to edit its IP configuration: address and subnet mask.

The modifications carried out during the IP configuration of an interface, a station or a router, will be taken into account on the routing table of the host.

A balloon help is displayed on the stations, the routers and the network interfaces when the mouse browses over the component.

The Internet component defines two Internet service providers (ISP1 and ISP2), which both have two available accesses for the stations or the routers, which must be connected to the ISP via a telecom line. The connection of a remote access card triggers the allocation of an IP address which is automatically located in the ISP's network.


- SOPIREMINFO . NETWORK SIMULATOR -