Recent Posts - page 15
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IWAN: Why EIGRP or BGP Over the DMVPN Tunnel?
IWAN (Intelligent Wide Area Network) and Why EIGRP or BGP over the DMVPN Tunnel. In this YouTube “playing in the lab” IWAN fun we are going to drill down between 2 sites – Branch 3 and the Hub site. Branch… Read More ›
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Glass Half Empty or Half Full?
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Intelligent Bandwidth Decisions at the WAN Edge
Business Critical Applications and Intelligent Decision Making at the WAN Edge….. these are the things I’ve been focusing on in the past few blogs. To me, PfRv3 and DMVPN are the dynamic duo of Cisco’s IWAN that help you learn… Read More ›
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Business Critical Apps & the DMVPN Underlay of IWAN’s Intelligent Path Control
Let’s assume we have a Branch with 1 Router and 2 WAN connections. We decide to use Intelligent Path Control with PfRv3 and design our policy such that the business critical traffic goes over one of the WAN clouds (MPLS,… Read More ›
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Which Path in the WAN are those Business Critical Applications Taking?
“Learning about and avoiding impairments (delay, loss, jitter) along the path that business critical traffic takes.” That is what I wrote in my previous blog “IWAN’s Intelligent Path Control & Using Your Backup Link.” But how is that possible to… Read More ›
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Playing in the Lab: LiveAction Administrative Fun
I’m newer to LiveAction but what I have seen thus far I have definitely liked. But admittedly with GUIs I sometimes still feel like a “CLI girl living in a GUI world”. During the past week I was noticing that… Read More ›
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Interviewing for the “Ideal Candidate”: Looking for “Nerdvana”
I was going through a stock photo website the other day and came across a “formula” that was supposed to equal the “perfect job candidate”. I chuckled a little out loud. The person sitting next to me looked over at… 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
