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Enterprise Infrastructure

EIGRP Configuration

Enhaced Interior Gateway Routing Protocol – EIGRP Its internal administrative distance is 90, and the external one is 170. So that a router ...
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Networking Fundamentals

RIPv2

Routing Information Protocol Version 2The first classless routing protocol is the evolution of RIP v1, plus it supports VLSM (Variable Length Subnet Mask).RIPv2 ...
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Networking Fundamentals

Routing Table

The primary function of a router is to send a packet to its destination network, which is the destination IP address of the ...
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Devnet Linux

Install python in Ubuntu 20.04

Python 3 is installed by default on the Ubuntu 20.04 Linux distribution. To ensure that our versions are up to date, we will ...
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Devnet Linux

Basic Git Commands

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

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)

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

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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