how to configur Native VLAN on a Trunk Links how to configur Native VLAN on a Trunk Links

As a reminder, a trunk is a link intended to convey the traffic of several vlans. Since a standard Ethernet frame does not have informati...

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What is link layer discovery protocol (LLDP) What is link layer discovery protocol (LLDP)

LLDP is a standardized network discovery protocol (IEEE 802.1AB) designed to supplement the multitude of proprietary protocols of the sa...

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OSPF over Frame-Relay: Non-Broadcast OSPF over Frame-Relay: Non-Broadcast

Here is the fourth part of the configuration of our OSPF lab. In this article, we will discuss how to configure OSPF to work on a Frame-...

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Spanning-Tree Protocol(STP): Port cost vs Port priority Spanning-Tree Protocol(STP): Port cost vs Port priority

When Spanning-Tree (STP) solves a loop in a network of switches, it follows a series of parameters to determine the best path to the Root B...

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OSPF Virtual Link OSPF Virtual Link

Here is the third part of the configuration of our OSPF lab. The continuation of the last article . After configuring the area 0, the area ...

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How to configure Multi-area OSPF How to configure Multi-area OSPF

This article is the second (but not the last) part of the OSPF lab configuration presented in the previous article( Configuring OSPF in...

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How to configure DHCP on a Cisco router How to configure DHCP on a Cisco router

The DHCP (Dynamic Host Configuration Protocol) protocol is a feature to provide machines that require a full IP, IPv4 address, subnet mask,...

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