Recent Posts - page 13
-
WAN Impairment/WAN Emulator with WAN Bridge
Playing in the lab and want to impair a link with delay or loss? 🙂 I use WAN Bridge – its simple and free. So say I’m testing an SD-WAN brownout/impairment avoidance solution in my lab. For example, Cisco’s IWAN. … Read More ›
-
Fun in the Lab: Setting up 3 Phones – Part 2 Licensing
When we left me at the end of Fun in the Lab: Setting up 3 Phones – Part 1 Prep Work …. (1) I had cloned an already existing CUCM VM and (2) I was stuck on the CUCM Licensing… Read More ›
-
Fun in the Lab: Setting up 3 Phones – Part 1 Prep Work
-
Thinking Out Loud: My Career Planning
On average I usually think about my career at least 1 time every year and do an honest and deep “career inventory taking”. More often (sometimes 2-3 times a year) if my job or environment is changing a lot. Are… Read More ›
-
Fun in the Lab: DMVPN: Per-Tunnel QoS and High Availability
Went on an customer “ride-along” with Advanced Services this week. Customer’s requirement was that the DMVPN headend have 2 physical interfaces for High Availability. These 2 interfaces need to be the same subnet because they are going into 2 firewalls:… Read More ›
-
2016 Cisco Live, US – Geeks for life. — Just another day at the office…
CiscoLive 2016 LasVegas was my absolute favorite CiscoLive EVER! They just keep getting better and better and better every year! I so adore my “Nerd Herd” friends. I was going to write a blog.. but I just couldn’t find the… Read More ›
-
The Case of the Failed IPv6 Ping – Part 2: The Solution
Featured Categories
Network Detective ›
-
Tips from a Network Detective
April 12, 2021
-
Troubleshooting Basic MPLS L3VPN – Part 2 – MPLS
February 23, 2021
BGP ›
-
BGP Graceful Restart on the Cisco FTD: Part 2 – Seeing it “In Action”
May 17, 2022
-
BGP Graceful Restart on the Cisco FTD: Part 1 – Configuring
May 17, 2022
Multicast ›
-
mVPN Fun in the Lab: Troubleshooting the MVPN Cloud – Part 6 of 6
March 29, 2019
-
Network Detective Ride-Along: Troubleshooting Multicast
May 27, 2018
IPv6 ›
-
Understanding IPv6: Solicited-Node Multicast In Action (Part 7 of 7)
February 22, 2018
-
Understanding IPv6: The Ping Before Solicited-Node Multicast (Part 6 of 7)
February 22, 2018
MPLS ›
-
Troubleshooting Basic MPLS L3VPN – Part 1 – BGP
February 23, 2021
-
The “Case of the Broken MPLS L3VPN” – Time to Troubleshoot!
April 11, 2019