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Enterprise Infrastructure

Etherchannel Overview

Etherchannel, also known as Link Aggregation, is a technology that allows grouping several physical interfaces that connect a pair of devices; when the ...
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Enterprise Infrastructure

VTP – VLAN Trunking Protocol

VTP uses Layer 2 trunk links to communicate VLAN information within a group of switches. VTP manages the addition, deletion, and renaming of ...
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Enterprise Infrastructure

DTP – Dynamic Trunking Protocol

DTP is cisco’s proprietary protocol for negotiating trunking mode between two switches. A trunk link can only be negotiated between two switches if ...
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Enterprise Infrastructure

VLANs y Trunk Ports

The video is in Spanish only Trunk ports can carry two or more VLANs over a single switch port and are helpful when ...
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Enterprise Infrastructure

VLANs y Access Port

The video is in Spanish only Virtual LAN – VLAN A VLAN defines a broadcast domain; they help us to create logical networks ...
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Enterprise Infrastructure

UDLD – UniDirectional Link Detection

UDLD is a Cisco proprietary Layer 2 protocol that monitors the state of a port to validate bidirectional communication. Recall that each port ...
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Enterprise Infrastructure

LLDP – Link Layer Discovery Protocol

LLDP is similar to the CDP protocol but is based on the IEEE 802.1ab standard. The great advantage of LLDP is that it ...
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Enterprise Infrastructure

CDP – Cisco Discovery Protocol

CDP is a Cisco proprietary protocol used to collect information from devices on the network that is directly connected, such as hardware, software, ...
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