As soon as one get familiar with Cisco Router User Interface And IOS,
and check statistics yes that all and I tell your right, but there are different methods or ways of connecting to a Cisco
router, but the first place you typically would connect to is the console port.
The console port is usually a RJ-45 connection on the back of the router.
This is used to connect to and configure the router. No password is set on the
console port by default.
Another way to connect to a Cisco router is through an
This is really the same as a console port and can be used as such. However,
it also allows you to configure modem commands to allow a modem connection
to the router. This means you can dial up a remote router and attach
to the auxiliary port if the router is down and you need to configure it.
The third way to connect to a Cisco router is through the program
Telnet is an emulation program that emulates a dumb-terminal. You can
then use Telnet to connect to any active interface on a router like an Ethernet
or serial port.
Picture above shows an illustration of a Cisco router. Notice the different
interfaces and connections.
The router has two serial interfaces for WAN connection and one
Attachment Unit Interface (AUI) connection for a 10Mbps Ethernet network
connection. The router also has one console and one auxiliary connection via RJ-45 connectors.