Cisco ⁽⁶⁾

After finishing the MPLS configuration in this post, I thought to take a closer look at the MPLS network, especially the labels: with the help of Wireshark we can examine how the labels are being inserted, switched and eventually removed at the edge routers. I…

I’ve been learning to configure MPLS and VRFs recently. I’m using GNS3 network emulator with real Cisco IOS images since other simulators such as Packet Tracer doesn’t support MPLS and VRF configuration. Running MPLS and having VRFs have many advantages: without using MPLS the customer…

I extended the single-area OSPF topology I configured previously in this post with two additional areas and I added an EIGRP network to the topology. In this post I’ll describe how to configure a multi-area network and how to redistribute different dynamic routing protocols on…

Recently I’ve made some Packet Tracer practices, I’m going to share the commands I’ve issued on Cisco routers, and describe the configuration of different type of source NATs. 1. Static Source NAT In this configurations we can translate one host’s private IP address (from the…

I’ve been practicing IOS commands recently, I have created a single area OSPF network with an ASBR router in Packet Tracer. Just like in the previous post I’m going to share the commands I’ve issued on the routers with some explanation in order to remember…