Troubleshooting OSPF adjacencies
I've been experimenting with different router images and I tried to establish the OSPF neighbor adjacency between a Cisco and an Alcatel (SR OS) router.
Read more →Configuring Multicast routing with PIM Sparse-Mode (Part 1)
In this post I'm going to walk through how we can configure basic multicast routing using PIM Sparse-Mode. I'm going to walk though how the…
Read more →Protecting Stateless/Stateful DHCPv6 server with DHCPv6 Guard
In this lab I'm going to use the same simple topology which I used in this post. Except that we're going to take a look…
Read more →Configuring QoS Policer at the Provider Edge router
I'm going to configure a policer to restrict and meter the traffic coming from Customer 1 on one of the PE router. The topology I'm…
Read more →Configuring IPv6 First-Hop Security (RA Guard, IPv6 Snooping)
In this lab we're going to implement IPv6 FHS with Router Advertisement Guard and IPv6 Snooping and in the following post I'll show how to…
Read more →Implementing STP Root Guard and Loop Guard
These two are optional features we can configure with Spanning-Tree. They are mutually exclusive: we configure one or the other, but you cannot configure both…
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