Ethernet Switch Configuration

Ethernet Switch Configuration

Ethernet switch configuration involves configuring various parameters that control the behavior of the switch. Some of the important configuration parameters are:

VLANs – VLANs can be configured to create logical networks within the physical network.

Port speed and duplex – The speed and duplex settings of each port can be configured to match the capabilities of the device connected to it.

Port security – Port security can be enabled to restrict the number of MAC addresses that can be learned on a port.

Quality of Service (QoS) – QoS can be configured to prioritize certain types of traffic over others.

Spanning Tree Protocol (STP) – STP can be enabled to prevent loops in the network.

Link Aggregation Control Protocol (LACP) – LACP can be used to group multiple physical links together to increase bandwidth and redundancy.

Access control lists (ACLs) – ACLs can be used to restrict traffic based on various criteria such as source and destination IP addresses, port numbers, etc.

Switch configuration can be performed using a command-line interface (CLI) or a web-based graphical user interface (GUI). The CLI provides a greater degree of control and flexibility, but requires more technical knowledge than the GUI. Some common CLI commands used for switch configuration are:

show interfaces: displays information about the interfaces on the switch

show vlan: displays information about the VLANs configured on the switch

interface [interface-id]: enters interface configuration mode for the specified interface

switchport mode [access/trunk]: sets the interface to either access or trunk mode

switchport access vlan [vlan-id]: assigns the specified VLAN to the interface in access mode

switchport trunk allowed vlan [vlan-list]: specifies which VLANs are allowed on the interface in trunk mode

spanning-tree [mode]: enables or disables spanning tree protocol on the switch, and sets the mode to either STP or Rapid STP

show running-config: displays the current running configuration of the switch

copy running-config startup-config: saves the running configuration to non-volatile memory, so that it is retained even after a reboot.

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