Month: May 2018

Introduction to Digital Certificates

Digital certificates are the cornerstone of the modern e-commerce and secure internet communications in general. A digital certificate is a means to establish trust, one way or mutual, between two parties before a transaction can take place between the two. The contents and integrity of the transaction are protected by the digital certificate from evesdroppers, who may
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Cisco Identity Services Engine Upgrade Failure 2.0 to 2.3

  Experience with upgrading a two-node Cisco Identity Services Engine (ISE) deployment from version 2.0 to 2.3.   Current Cisco ISE deployment: !!!! Hardware VMware 6.5 Node 1: Primary Admin, Secondary Monitoring, PSN 4 CPU 24G Memory Node 2: Secondary Admin, Primary Monitoring, PSN 4 CPU 24G Memory !!!! Show version Cisco Application Deployment Engine
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Cisco Prime Infrastructure Inline Upgrade Failure 3.1 to 3.4

  Experience with upgrading a Cisco Prime Infrastructure instance from version 3.1 to 3.4.   Current Prime Infrastructure Instance: !!!! Hardware VMware 6.5 16 CPU 24G Memory !!!! show version Cisco Application Deployment Engine OS Release: 3.1 ADE-OS Build Version: 3.1.0.001 ADE-OS System Architecture: x86_64 Copyright (c) 2009-2016 by Cisco Systems, Inc. All rights reserved.
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Regular Expressions for Network Engineers

How many times were you working on a task which involved either updating all instances of a piece of configuration or creating a new configuration piece at multiple points on a network device?  You have translated the requirements into functional syntax, a blueprint, for the specific hardware platform, now it’s time to implement it 10’s
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