Category Archive: Education

You Coach Not Teach Troubleshooting

A colleague and I have been debating over a few months the topic of troubleshooting. My initial stance on the topic was that you CAN teach troubleshooting. However, as time has passed working with particular individuals I have came to a realization that you CANNOT teach troubleshooting. My belief now is that some people simply …

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Permanent link to this article: http://www.packetpilot.com/you-coach-not-teach-troubleshooting/

Apps for a Network Engineer Part II: Windows

Windows for Network Engineers Part two in my series of apps for network engineers across the three major platforms. I previously did the post for Mac when I first refreshed my laptop and purchased my first new Mac in 8 years. Issued by work, my daily laptop is a Windows machine which is fine with …

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Permanent link to this article: http://www.packetpilot.com/apps-for-a-network-engineer-part-ii-windows/

IP SLA for Single Default Route Change

TrackedIPChangeDefRoute

The scenario goes like this. You are working at your office (R1) and need to change the IP address and default route on the remote device (R2). The issue a factor of two things. The first is the fact that R2 is connected to your network with only one link. The other issue is R2 …

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Permanent link to this article: http://www.packetpilot.com/ip-sla-for-single-default-route-change/

Initial Router Setup For Remote Access

2routers

[notice]PacketPilot / P2Labs does not guarantee any certification results in using the content of this website. Please keep in mind these are free tools to aid in your learning and certification goals. All efforts are made to ensure the accuracy and content in these labs. Hard work, dedication, and official Cisco training materials are recommended for …

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Permanent link to this article: http://www.packetpilot.com/initial-router-setup-for-remote-access/

Cisco OSPF MD5 Authentication

Continuing with our OSPF and interior gateway protocols we will not look at an MD5 implementation utilizing OSPF on a Cisco router. We will again continue with our 3 router topology as used in both the EIGRP MD5 example and the OSPF plain text example. There are very few changes that will need to be …

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Permanent link to this article: http://www.packetpilot.com/cisco-ospf-md5-authentication/

Cisco OSPF Plain Text Authentication

Continuing with our interior routing protocol discussion on authentication we are going to look at Cisco OSPF implementation of plain text authentication. While this isn’t the most widely used model for authentation with OSPF it is a viable option. The topology we are going to use is the same topology from the EIGRP authentication example. …

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Permanent link to this article: http://www.packetpilot.com/cisco-ospf-plain-text-authentication/

EIGRP Authentication

Security vulnerabilities are at the forefront of the information technology industries top most concerns. Securing data and passwords are common enough thoughts that they are usually the first things to be controlled. However, many easy to miss items exist on the network that require a focus on security. One thing we can secure is EIGRP. …

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Permanent link to this article: http://www.packetpilot.com/eigrp-authentication/

Overlapped IP Range in a Merger

The Scenario is this…Company A has purchased Company B. One is an enterprise of thousands of users, the other a mid size company in the multiple hundres. However, as would happen to be the case, both companies utilize an overlapping subnet. To further complicate the issue it has been decided that both companies need to …

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Permanent link to this article: http://www.packetpilot.com/overlapped-ip-range-in-a-merger/

Cisco DHCP Configuration

Cisco routers are capable of doing many more things than simply routing packets. In fact, it can operate as a small DHCP server when needed. By no means is it a replacement for your enterprise, centrally managed DHCP server but it does have its applicable scenarios. Lets say you have a branch office that has …

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Permanent link to this article: http://www.packetpilot.com/cisco-dhcp-configuration/

Static Routing with Cisco

Routing is at the core of the network infrastructure. Routing is what ultimately lets you get from point A to point B not only in your own network, but also across the entirety of the world wide web. Routing in its simplest form tells your network devices the path to get to another network device …

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Permanent link to this article: http://www.packetpilot.com/static-routing-with-cisco/

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