Learning Cisco Router Configuration with Router Simulator Toggit

Because expensive cisco router, just to learn and understand how the alternative is to use a cisco router Toggit (Router Simulator) designed to mimic common input and output using the Cisco Router.
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Definitions Router

The router is a device that serves to forward packets from a network to another network (both LAN to LAN or LAN to WAN) that hosts that exist on a network can communicate with hosts that exist on another network. The router connects network-network is the network layer of the OSI model, so technically is a Layer 3 Router-Cisco Router Gateway can also be a Layer 4 Router Gateway if it implements ACL. Routers can be a device that is designed specifically to function as a router (dedicated router), or it could also be used as a PC router.

Network Interface

Network Interface is an interface that serves to connect a host to the network. Network Interface is a hardware device that works at Layer 1 of the OSI Model. Router Network Interface required to connect the router to a LAN or WAN. Because the duty Router connect network-network, a router must have at least two network interfaces. With minimal configuration, the router can connect 2 network, as each network requires a network interface that is connected to the Router.

Configure Router

The router does not have a monitor screen to interact with the network administrator, therefore, we need a PC to set up a router.

The PC must be connected to the router with one of the following ways:
• via the console port
• through Network

Access level command

For purposes of data safety, the commands can be executed from the CLI is divided into two levels of access, namely:
• User Mode
• Privileged Mode

User Mode is intended to see the status of the router. The commands are allowed in this mode can not change the configuration of the router, so it is more secure mode when a network administrator just want to see the status of the router and do not want to change the configuration.

Privileged Mode have access to a higher level. In this mode, the network administrator can change the router configuration. Therefore, this mode should be used with great care to avoid unwanted changes to the router.

When logging on to the router first, you will be entered in user mode, with a sign prompt (>). To switch from user mode to Priviledge mode, you must execute the enable command at the prompt. The prompt will change to sign (#) when you are on privilged mode. To return to user mode of Priviledge mode, you must execute disable command at the command prompt.

Example from Toggit Simulator :