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Configuración de EIGRP

By JMCristobal
mayo 4, 2022
Enterprise Infrastructure
Enhaced Interior Gateway Routing Protocol – EIGRP Its internal administrative distance is 90, and the external one is 170. So that a router configured with EIGRP can exchange ...
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Configurar AAA en Switch Cisco IOS

By JMCristobal
marzo 9, 2022
Enterprise Infrastructure
AAA – Authentication, Authorization, AccountingAuthentication: Who is the user?Authorization: What can the user do?Accounting: What did the user do? Cisco switches use two protocols for communication with AAA ...
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Configurar Port-Security en Switch Cisco

By JMCristobal
marzo 9, 2022
Enterprise Infrastructure
This feature controls the number of MAC addresses per port.The maximum number of MAC addresses per port can be configured (default is 1).The MAC addresses can be configured ...
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Configurar Storm Control en Cisco IOS

By JMCristobal
marzo 9, 2022
Enterprise Infrastructure
Storm control is a feature used to remedy broadcast, multicast, and unicast unknown overruns in the LAN network. Thresholds are configured, and action is taken if these thresholds ...
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Configuring SNMP on Cisco IOS

By JMCristobal
marzo 9, 2022
Enterprise Infrastructure
Simple Network Management Protocol (SNMP) Configuring SNMPv2C  The following commands are used to configure SNMPv2C: Switch(config)# snmp-server host host-address [ informs] version 2c community-string Switch(config)# snmp-server community string ...
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Configuring NTP on Cisco IOS

By JMCristobal
febrero 23, 2022
Enterprise Infrastructure
Network Time Protocol (NTP) is used for centralized synchronization of the date and time of devices. It works over UDP port 123.  NTP operation modes: Server: the device ...
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Cisco IOS commands

By JMCristobal
febrero 15, 2022
Enterprise Infrastructure
Commands Used to Monitor and Manipulate the CAM Table TaskDisplay all MAC addresses learned on a specific interfaceSwitch# show mac address-table dynamic interface type number Display the current ...
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Configurar Syslog en Cisco IOS

By JMCristobal
febrero 11, 2022
Enterprise Infrastructure
Syslog is a standard for logging messages describing important events on network equipment. These events are used for auditing to know what, when, and how the event happened. ...
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Configure DHCP in router cisco

By JMCristobal
octubre 22, 2021
Enterprise Infrastructure
DHCP (Dynamic Host Configuration Protocol)  The DHCP protocol allows clients to dynamically configure network parameters without the need for a manual configuration process.  Dynamically assigns an IP address to ...
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VLANs y Trunk Ports

By JMCristobal
enero 22, 2021
Enterprise Infrastructure
The video is in Spanish only Trunk ports can carry two or more VLANs over a single switch port and are helpful when switches are connected to other ...
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CDP – Cisco Discovery Protocol

By JMCristobal
enero 11, 2021
Enterprise Infrastructure
CDP is a Cisco proprietary protocol used to collect information from devices on the network that is directly connected, such as hardware, software, device name and more. CDP, ...
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Managing MAC Addres Table

By JMCristobal
enero 4, 2021
Enterprise Infrastructure
Switches operate at layer 2 of the OSI model (Data Link). It sends frames based on destination MAC addresses (Media Access Control) found within the same frame based ...
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Macro switchport host – Cisco IOS

By JMCristobal
julio 6, 2017
Enterprise Infrastructure
A few days ago, when I was configuring the ports of a switch and reviewing the operation of STP, I found in the CLI the command “switchport host”, ...
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Comando “Default interface” – Cisco IOS

By JMCristobal
junio 27, 2017
Enterprise Infrastructure
The “default interface” command is used to return an interface to its default configuration; its implementation is in global configuration mode, and the interface to be modified is ...
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Habilitar SSH en router Cisco IOS

By JMCristobal
enero 22, 2017
Enterprise Infrastructure
Telnet is a protocol that does not use encryption, where everything that passes through it is displayed in plain text; for security reasons, the SSH (Secure Shell) protocol ...
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About this Website

This website is free and educational. Contains my thoughts and ideas, which may not represent the thoughts of the various technologies mentioned here. All product names, logos, and illustrations are copyright/trademarks of their respective owners.
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