Recent Posts

Devnet Linux

Basic Git Commands

By JMCristobal
March 30, 2022
We show you the most common Git commands in this Cheat Sheet. It is difficult to memorize all the important Git commands, so ...
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Security

Umbrella and YouTube live streaming issues

By JMCristobal
March 23, 2022
A few days ago, we decided to enable Enforce SafeSearch in some Umbrella policies. However, we received several reports with problems accessing YouTube ...
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Enterprise Infrastructure

Switched Port Analyzer (SPAN and RSPAN)

By JMCristobal
March 9, 2022
SPAN (Switched Port Analyzer) is a feature that allows copying traffic from a source port or switch vlan to a destination port. In ...
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Enterprise Infrastructure

Configure AAA Switch Cisco IOS

By JMCristobal
March 9, 2022
AAA – Authentication, Authorization, AccountingAuthentication: Who is the user?Authorization: What can the user do?Accounting: What did the user do? Cisco switches use two ...
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Enterprise Infrastructure

Configuring Port Security in Cisco Switch IOS

By JMCristobal
March 9, 2022
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 ...
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Security

Configure SNMP on ASA Firewall

By JMCristobal
March 9, 2022
SNMPv2 Specify the recipient of an SNMP notification, indicate the interface from which traps are sent, and identify the name and IP address ...
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Enterprise Infrastructure

Configure Storm Control in Cisco IOS

By JMCristobal
March 9, 2022
Storm control is a feature used to remedy broadcast, multicast, and unicast unknown overruns in the LAN network. Thresholds are configured, and action ...
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Enterprise Infrastructure

Configuring SNMP on Cisco IOS

By JMCristobal
March 9, 2022
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 ...
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