Brief Introduction to core switch principles

The core switch has a high-bandwidth back bus and an internal switching matrix. All the ports of the switch are attached to this back bus. I hope this article will help you.

We add a 2600 XM router in the workspace. First, select a vro in the device type library, click 2600 XM vro in the specific device library, and click 2600 XM vro in the work zone to add the XM vro to the work zone. Add a 2950-24 core switch and two PCs in the same way. Note: you can press Ctrl and then click the corresponding device to add devices consecutively.

Next, we need to select a proper line to connect the device. We can select a specific line type for connection based on different interfaces between devices. Of course, if we just want to quickly establish a network topology without considering the line type selection, we can choose Automatic Connection.

The default 2600 XM has three ports. The connection to PC0 has occupied ETHERNET 0/0. The Console port and AUX port are not connected to the core switch, so errors may occur. Therefore, when adding the required modules before connecting devices, you must turn off the power ). We add the module to the vacant position for the NM-4E module for Router 0, drag the module back to the original position when deleting the module ). The modular feature enhances the scalability of Cisco devices. We continue to complete the connection.

The Physical tab is used to add a port module. We have just introduced it. For details about each module, refer to the Help file. The Config tab provides a graphical interface for simple router configuration. Here, we can provide global information, route information, and port information.

The following command is displayed when you perform a configuration. This is a fast configuration method in Packer Tracer. It is mainly used for simple configuration and focuses on configuration items and parameters. This method is not used in actual devices. The IP Configuration in the Desktop tab can also complete the settings of the default gateway and IP address. The Terminal Option simulates a Super Terminal to configure the router or core switch. Command Prompt is equivalent to the Command window in the computer.

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