Category Archive: Featured

Config-ease with Sublime Text Snippets

I love when tools make my life easier. A conversation came up online the other night and I had shown someone a quick summary of the awesome power of Sublime Text. They wanted to know how I made the magic happen in that video. I felt I should and share it with everyone via a …

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Permanent link to this article: http://www.packetpilot.com/config-ease-with-sublime-text-snippets/

Bulk enable PIM via TCL

I’ve been working on doing some multicast labs lately and am constantly resetting my lab devices to their default configs and starting from scratch. As many of us know, to enable PIM on all of your interfaces you must go into each interface and enable it manually. There is no default command to enable PIM …

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Permanent link to this article: http://www.packetpilot.com/bulk-enable-pim-via-tcl/

Apps for a Network Engineer Part 1: MAC

MAC for Network Engineers I am not going to play bias in anyway towards any particular apps. I’m surely not going to get into the debate between Windows or Apple as a primary computer. In fact, I’ve spent the last 4 years using Windows exclusively for work due to work issued laptops and the lack …

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Permanent link to this article: http://www.packetpilot.com/apps-for-a-network-engineer-part-1-mac/

Automated IP Communicator Launch against Multiple Clusters

If you manage multiple CUCM clusters you are likely to have Cisco’s IP Communicator installed on your computer. Cisco IP Communicator is a software based phone installed on your computer that connects up to CUCM and lets you utilize your PC as if it’s a Cisco desk phone. This is a pivotal tool to quickly …

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Permanent link to this article: http://www.packetpilot.com/automated-ip-communicator-launch-against-multiple-clusters/

Tracked Static Default Route

As common place in today’s networks redundancy is key. Applications are the key components to business obtaining revenue. More and more applications are becoming SaaS and ecommerce is here to stay. With that being said, many companies are moving to redundant connections to the internet. These connections could be through two different ISPs, or both …

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Permanent link to this article: http://www.packetpilot.com/tracked-static-default-route/

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/

Router on a Stick

The scenario looks like this. You’ve got a branch office with a single router connecting to your corporate office over the WAN. In your branch office you have a single layer 2 switch and a desire to separate traffic into multiple broadcast domains. Maybe you want an easy way to allow only HR computers to …

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Permanent link to this article: http://www.packetpilot.com/router-on-a-stick/

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