About Control and auxiliary interfaces in Cisco router ports

How should we connect to the Cisco router port? Many people want to know the specific role of the control port and the Auxiliary port. The port content is not detailed on the network. Here is just a few words about the port. The Cisco router port has a control port: the control port console port) and the Auxiliary port (AUX port) are two management ports of the cisco router. Both ports can be used when the router is configured for the first time, however, we generally recommend that you use management ports because not all routers have AUX ports.

When a vro is started for the first time, there are no network parameters by default, and the vro cannot communicate with any network. So we need a RS-232 ASCLL terminal or computer simulation ASCLL terminal and control port connection. Method to connect to the CONSOLE port in the Cisco router port: Connection cable: connect to the console port we need a rolover cable and an adapter for RJ-45 to DB-9. We can see this in the product attachment of the cisco router. Terminal simulation software: the PC or terminal must support the vt100 simulation terminal. Usually HyperTerminal software is used in Windows OS. Connect the PC to the vro:

1. Configure terminal simulation software parameters.

2. Connect one end of the rolover cable to the control port of the router.

3. Connect one end of the rolover cable to the conversion adapter from the RJ-45 to the DB-9.

4. Connect the other end of the DB-9 adapter to the PC.

When we configure a cisco router for the first time, we need to configure the console port from the Cisco router port. Next, we will introduce how to connect to the control port and set the virtual terminal program.

1. Use the rolover line and a RJ45 and DB9 or DB25 converter to connect the router to control the Cisco router port and terminal computer.

2. Configure the terminal simulation software for the terminal or PC.