- Cisco 2950 switch configuration commands how to#
- Cisco 2950 switch configuration commands password#
- Cisco 2950 switch configuration commands Pc#
Switch ports can be manually configured with specific duplex and speed settings.
Cisco 2950 switch configuration commands how to#
This section examines how to configure specific parameters on a Cisco switch port and introduces auto-MDIX.
Cisco 2950 switch configuration commands Pc#
Just as a network card in a PC can have specific conditions such as duplex and speed set, so too can a switch port. Configure Switch Ports at the Physical Layer (2.1.2.2) This results in a 200 percent potential use of the stated bandwidth. Full-duplex offers 100 percent efficiency in both directions (transmitting and receiving). Standard, shared hub-based Ethernet configuration efficiency is typically rated at 50 to 60 percent of the stated bandwidth. Full-duplex connections require a switch that supports full-duplex configuration, or a direct connection using an Ethernet cable between two devices. Frames that are sent by the two connected devices cannot collide because the devices use two separate circuits in the network cable.
In full-duplex mode, the collision detection circuit on the NIC is disabled. Gigabit Ethernet and 10Gb NICs require full-duplex connections to operate. Most Ethernet and Fast Ethernet NICs sold today offer full-duplex capability. Full-duplex communication has replaced half-duplex in most hardware. Half-duplex connections are typically seen in older hardware, such as hubs. Half-duplex communication creates performance issues because data can flow in only one direction at a time, often resulting in collisions. Sending and receiving data does not occur at the same time. Unlike full-duplex communication, half-duplex communication is unidirectional. Because there is only one device connected, a micro-segmented LAN is collision free. This results in a micro size collision domain of a single device. A micro-segmented LAN is created when a switch port has only one device connected and is operating at full-duplex. This method of optimizing network performance requires micro-segmentation. This is also known as bidirectional communication. Full-duplex communication increases effective bandwidth by allowing both ends of a connection to transmit and receive data simultaneously. Copy to startup-configuration file from running-configuration file : GfgSwitch#copy running-config startup-configħ.Full-duplex communication improves the performance of a switched LAN.
Cisco 2950 switch configuration commands password#
When a person want to access a router through VTY lines (telnet or ssh) then this password will be asked. When a person will take access through console port then this password will be asked. This is also used for securing privilege mode but the difference is that it will be displayed as ciphertext(***) on the configuration file. The enable password is used for securing privilege mode. Apply password protection (enable password, secret password, console password and vty password) : This is set the current time stored in the switch. GfgSwitch(config)#ip default-gateway 172.16.10.0 IP address is the address of device in network. GfgSwitch(config)#banner motd &Įnter Text message. It provides a short message to the user who wants to access the switch.
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