So let’s start with the FP9300 chassis and the 3 node ASA cluster I already have up and running. If you are wondering what the devices are on the far left and far right, those are a Spirent Test Center… Read More ›
Fun in the Lab
CyberFlood L4-L7 Traffic Generator: New Blog/YouTube Combo Series
So excited about this new series of blogs and YouTube videos. Absolutely LOVE “getting my geek on” and then sharing it. This series will be about the Layer 4 thru Layer 7 traffic generation tool from Spirent. If you are… Read More ›
Tunnels and the Use of Front Door VRFs
Come with me on a ride-along about “front door VRFs”. Front-door VRFs in a tunneled environment are really quite cool but often scare people new to them.
Troubleshooting Basic MPLS L3VPN – Part 2 – MPLS
Ready for part 2 of our Network Detective MPLS L3VPN Ride-Along? In part 1 we were presented with the “Case of the Failed L3VPN Ping”. We started, like any ping troubleshooting, on the IP subnets themselves – do they exist in the… Read More ›
Troubleshooting Basic MPLS L3VPN – Part 1 – BGP
Time for a little more fun in the Network Detective series! Today’s “Network Detective Ride-Along” will bring us into the config setup of someone very new to MPLS L3VPNs. As we go along remember the Network Detective Mantra “Be Prepared,… Read More ›
Fun in the Lab: Troubleshooting DMVPN Per-Tunnel QoS
In Playing in the Lab: DMVPN and Per-Tunnel QoS we looked at DMVPN per-tunnel QoS. We looked at how to configure it…. how the vendor private extensions in RFC2332 are used in the NHRP registration request… and how to see,… Read More ›
Playing in the Lab: DMVPN and Per-Tunnel QoS
There is this really cool thing about DMVPN that I came across a while back: DMVPN Per-Tunnel QoS. Apparently it isn’t just me (as a lab rat) that thinks this is cool. Every time I show this to people I… Read More ›