Networking Knowledge Base

Download below EIGRP PDF Document with 22 scenarios I used in the past for my certification preparation with the following content, these scenarios are useful to prepare the CCNP Enterprise ENARSI exam: Lab 1: EIGRP Different AS Distribute-List Offs...

                                                                Understanding Cisco Express Forwarding (CEF) Architecture Cisco Express Forwarding FIB and Adjacency Tables CEF Operation CAM and TCAM Tables  Cisco Express Forwarding (CEF): The defaul...

This document is designed to provide a reference guide for locating frequently requested information regarding pluggable optical transceivers;  better known to as GBICs, SFP/ SFP+s, XFPs, XENPAKs, X2s or other.  Although much of this information is f...

1.1 What is TEVA? How are TEVA and Linux packages different?1.2 Why might access to TEVA’s CLI be necessary?1.3. Which Windows OS support native SSH clients?1.4 Access differences between Linux and Windows2.1. Install SSH client if it is not yet inst...

Need help navigating the changes to the ThousandEyes UI? Scroll down for a before and after guide, or download the attached PDF!  

Microsoft Entra SSO configuration & security groups for SAML JIT provisioningCreating users in Microsoft EntraCreating Security Groups and enabling access for ThousandEyesSettingAttributes and ClaimsThousandEyes SSO configuration and role mappingsCon...

Core IssueThis error message may be caused by an issue with the TFTP server program or the image may be wrong for the router.ResolutionIf the router is a Cisco 3661 or 3662 series, it could have an Enterprise or a Telco chassis.To resolve this issue,...

Overview The devices under Catalyst Center inventory can have multiple SMU, subpackage or APSP. One can have same site with multiple same type of devices, but they might not have same packages. For example - eWLC package is a pre-requisite for APSP...

IntroductionThis document outlines the BGP best path selection algorithm, and covers specific configuration examples on how to manipulate BGP’s best path decision based on different attributes.  Initial Topology The following topology will be referen...

Cisco 3850:  IOS-XE/Firmware Upgrade (Install Mode)   NOTE: This procedure is aimed at Cisco 3850 switch ONLY.IOS-XE Bundle Mode is not covered. 9300, 9500 (vanilla & high-performance), ISR 1k, ISR 4k and ASR is not covered. Router(s) & switch(es) r...

Introduction:Configuration concept of IOS XR:Configuration Example:Related Information: Introduction:Command syntax of IOS XR is different than classic IOS. In this document you will learn about “Commit” command used in IOS XR. To understand this com...

IntroductionConfiguringBPDUGuardConfiguringBPDU Filter IntroductionIn Networking World we know that to avoid any loops or any problem related to switching arcihtecure the stability of the Root Bridge is of paramount importance in the operation and co...

Application Experience aims to provide visibility and insights into the performance of applications. It enables a network administrator to quickly analyze the health of applications present in the network and isolate network issues from application ...

                                                                                            MPLS LAYER-3 VPN IntroductionVirtual Routing and Forwarding (VRF)MP-BGP (Multi-protocol BGP)RD (Route Distinguisher)RT (Route Target)Transport and VPN LabelMP...

Core IssueA Virtual Private Network (VPN) is as a network in which connectivity a customer's multiple sites is deployed on a shared infrastructure with the same access or security policies as in a private network.  VPNs allow multiple customers to sh...