1.Wireshark This is the king of all useful tools for network engineers. A must have tool I was introduced in my early years of Job and since then it remained with me every single day. This is so useful that I can credit at least 25% of issues that I have solved till date to… Read More Top Tools to make a Network Engineer’s Life Easy.
Hi Friends, In my previous MPLS posts I have covered some basics about MPLS now moving to MPLS VPN concepts, lets see how you can wrap your head around it. For mpls vpn configuration please check this blog.. MPLS VPN Config If you are a guy who comes across MPLS VPN issue once in couple… Read More GNS3 : Cisco MPLS VPN troubleshooting and Path tracing.
In Continuation to my previous MPLS articles, in this article I will discuss a rather real life example of issue and troubleshooting. You can check my previous posts on MPLS here. 1- MPLS Basic configuration and MPLS QOS 2- MPLS QOS 3- MPLS Basics and Beyond Concepts… Problem : In the below network MPLS VPN… Read More GNS3 LAB : Cisco MPLS troubleshooting trouble ticket #1
Introduction: Hi Friends, In continuation to my previous post on MPLS (check out for basic mpls config and working), in this post I will be taking a further deep dive and cover other aspects like some crucial concepts and troubleshooting methods. For this I have built up a topology including ISP and and few customer… Read More GNS3 LAB: Cisco MPLS Basics and Beyond Concepts…
Other related posts about ISR1100 ISR 1100 LTE Config ISR Introduction Cisco ISR1100 router is fairly new in market and it is proving to be very very useful for the small enterprise sites. The main reason for its popularity is the features it can support. It can support Security, Wireless,WLC, LTE, Voice and of course… Read More Cisco ISR 1100 Wireless Access-Point(Mobility express) Configuration
This blog will help in parsing JSON Telemetry data from Cisco devices. … Read More Parse JSON data from Cisco Router with Python Script with example script
Detecting failure faster is the key for any network these days. Especially all the service providers thriving to offer zero packet loss network to their customer always look for the solutions which can detect failure as quickly as possible.Our traditional protocols were designed decodes ago, at that time not everybody anticipated the kind of need… Read More GNS3-LAB Cisco : Bi-directional Forwarding Detection(BFD) Single-Hop and Multi-Hop
Address-Family in BGP has given immense power to bgp, the most important thing is simplicity of the solutions. One example of this is inter-vrf routing with the help of address family. Following is the configuration. Tools : GNS3, Router: IOSv Router. In the above diag Cus1 and Cus2 are two separate vrfs on PE router.… Read More GNS3-Cisco Configuration: Inter-vrf Routing with MP-BGP
In this example I am going to present a very simple configuration example for advertising ipv6 prefixes over IPv4 ISP transport network. This method is called 6VPE where we do not need any dual stack configurations and the transport network doesn’t need to be ipv6 aware. The whole concept becomes possible with the help of… Read More Cisco GNS3 Lab : Advertising IPv6 address over IPv4 MPLS/BGP Network.