Author Archives: Judson Bishop

VMware Troubles

At the Circus we have been having random reboots and are struggling to figure out the culprit as no one can seem to find any errors in the logs.  In order to help narrow the scope I wrote this script … Continue reading

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More Services for the Lab Server

After setting up TACACS+ and FreeRADIUS I decided to go ahead and add more services to my main test lab server. I am using CentOS in the lab, and decided to add a syslog server and an FTP server to … Continue reading

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General Purpose Lab Server

I have a number of servers in the lab, but my main server is a jumpbox that straddles the lab and our network named TLTS1. I wanted to be able to really test authentication in the lab so I decided … Continue reading

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Backing up Lab Routers

I have put quite a bit of work into my lab routers and the configurations, enough that I have begun to worry about about how much work it would be to replace my current set up. I have been backing … Continue reading

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VIRL on Bare Metal

I just fought installing VIRL on bare metal for nearly four days. I worked my way through multiple how-to’s and installed it three different times. Eventually I gave up doing it by the book and tried my own thing. First, … Continue reading

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Micronics Training with Narbik

I haven’t been posting much about my studies for the CCIE this time around. My studies have been all consuming as I have been trying to get in 30 hours a week on top of my normal work. I may … Continue reading

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Webmail with SSL Certificates

This stack is part of a larger project that I created nearly ten years ago. I am on the fourth rewrite of this for some internal email. We are in the process of migrating from Cyrus and Squirrelmail to Dovecot … Continue reading

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Linux NAT with a Web Interface

In 2006 I wrote a web interface for Linux NAT tables. It was not pretty, but it moved NAT from the core routers or firewalls onto a server that the PC Techs could manage. The goal was to push management … Continue reading

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Troubleshoot MPLS Connectivity

Step 1 — IGP for MPLS cloud Verification – You are on your own. (YOYO) Step 2 — LDP Adjacencies Pro Tip – Add the CE network to advertisements so that you don’t have to ping from some specific loopback … Continue reading

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Enable Virtualization within a VM

So much of my lab is virtualized that I am continuously tweaking the networking and settings within VMware.  Most of the lab runs on VMware 5.5 so there are some manual tweaks that I have to do that are done … Continue reading

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