Recent Posts - page 17
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Advanced DMVPN & Routing: Part 2 – The Forwarding Plane
In Part 1 of this 2 part blog series, we went into details about the environment, setup, and control plane. In this blog we are going to continue our advanced routing and DMVPN fun but will be focusing on… Read More ›
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Advanced DMVPN & Routing: Part 1- The Control Plane
Time for some serious geeky fun in the lab! In this blog we are going to have a little advanced routing and DMVPN fun and focus and follow the control plane side of things. In the next blog we will… Read More ›
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My Dream: We just Hire the Best “Person” for the Job
Been toying with this blog idea for quite some time now. What has stopped me? Three things: (1) Good old fashion fear of pissing people off, (2) I don’t know how to “get” this dream to come true any better… Read More ›
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Getting “Summer Camp” (CiscoLive US) Ready for You
Yes, I know, Cisco Live U.S. isn’t for another ~5 months. But prep work for what I like to call “Summer Camp for IT Geeks” (aka Cisco Live U.S.) is in absolute full swing and has been for awhile now…. Read More ›
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Understanding IPv6 Network Computing Series
Network Computing ran a 7 article series on “Understanding IPv6”. It really has not been that long ago that these “deeper understandings” of IPv6 finally fully integrated into me. This deeper part of the journey has really only been in… Read More ›
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OSPF Default-Information Originate w/ Route Maps: Part#2 The Solution
This is “Part 2: The Solution” of our ‘whodunnit’ If you have not already read “Part 1: The Clues” please go read that now. 🙂 OSPF Default-Information Originate w/ Route Maps: Part#1 The Clues Solution? You now have all the… Read More ›
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OSPF Default-Information Originate w/ Route Maps: Part#1 The Clues
Saw something the other day I had never tripped across before. Had to do with the advertising of a default route in OSPF with a route policy applied. I was confused as to why something was happening, so I asked… Read More ›
Featured Categories
Network Detective ›
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Why IT-Site1 Can’t Ping OT_Site1R – Show and Tell Time #1
September 9, 2025
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Troubleshooting OT Security: Why IT-Site1 Can’t Ping OT_Site1R
August 27, 2025
BGP ›
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BGP Graceful Restart on the Cisco FTD: Part 2 – Seeing it “In Action”
May 17, 2022
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BGP Graceful Restart on the Cisco FTD: Part 1 – Configuring
May 17, 2022
Multicast ›
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mVPN Fun in the Lab: Troubleshooting the MVPN Cloud – Part 6 of 6
March 29, 2019
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Network Detective Ride-Along: Troubleshooting Multicast
May 27, 2018
IPv6 ›
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Understanding IPv6: Solicited-Node Multicast In Action (Part 7 of 7)
February 22, 2018
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Understanding IPv6: The Ping Before Solicited-Node Multicast (Part 6 of 7)
February 22, 2018
MPLS ›
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Troubleshooting Basic MPLS L3VPN – Part 2 – MPLS
February 23, 2021
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Troubleshooting Basic MPLS L3VPN – Part 1 – BGP
February 23, 2021