Crating a Python script to control the GPIO of my Raspberry Pi
To practice for my CCNP ENCOR I've been creating simple Python scripts recently. I've got a few Raspberry Pis and temperature sensors lying around at…
Read more →Implementing MPLS-TE: VPN over the TE tunnel from PE to PE, TE metric, explicit-path
By default the IGP metric (ISIS/OSPF cost) determines how the packets are forwarded within the MPLS core. With MPLS Traffic Engineering (TE) we can be…
Read more →Ethernet Flow Point: VLAN tag manipulation for the VPLS service
We continue one of my previous VPLS topology: this time we're going to take a look at what happens from the perspective of the service…
Read more →Implementing Site-to-Site IPsec VPN: GRE over IPsec and MTU issues (Part 3)
In the previous post I created the VPN tunnel between the two sites with a crypto map. This implementation is very static, the ACLs define…
Read more →Implementing Site-to-Site IPsec VPN with crypto map (Part 2): Troubleshooting
We continue the previous IPsec lab with basic troubleshooting. If you haven't read part 1, read that post first before you continue. So what are…
Read more →Implementing Site-to-Site IPsec VPN with crypto map (Part 1)
In this lab we're going to establish secure communication between two private subnets located at two different sites over an unsecure network (the internet for…
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