I wrote few blogs on BGP EVPN and also on VxLAN earlier. My previous blogs were focused on IOS-XE and IOS-XR devices, recently I have started my Data Center journey and hence I wanted to do some labs on Nexus devices as well and what better place than GNS3 for this ? I got to… Read More GNS3 LAB Cisco : Nexus 9000v Control-plane based VxLAN BGP-EVPN Bridging Config and Verification.
So far we have seen EVPN single home and EVPN multihome setup and configuration with Cisco csr1000v router. You can find the links for those posts below. EVPN -Single home GNS3 LAB Cisco : BGP-EVPN Single Home Configuration EVPN -Multi homeGNS3 Lab Cisco : EVPN Multihome Concept and Configurations Note : As per Cisco docs… Read More GNS3 LAB Cisco : EVPN (BGP/MPLS) IRB (integrated routing and bridging) Configuration and Verification.
Introduction: This article is focused on multi-homed EVPN setup that I have prepared in below network topology. One of the biggest advantage with EVPN that we get is multi-homing with it. Earlier with VPLS we did not have multi-homing integrated with the protocol. With multi-homing we can have one CE connected to two PE router… Read More GNS3 Lab Cisco : EVPN Multihome Concept and Configurations
This is a quick nugget kind of blog where we will see the configuration and working of the SRTE WECMP on IOS-XR device. We know how ECMP works basically if we have multiple paths available then we will use those paths to load balance the traffic and this is done in SRTE by default. With… Read More GNS3 Cisco Lab : SRTE(Segment Routing Traffic Engineering) WECMP(weighted ECMP) configuration on Cisco IOS-XR and IOS-XE routers.
This is the second blog in segment routing series. Please check other segment routing blogs here: GNS3 LAB: Segment Routing Configuration on Cisco IOS-XE and IOS-XR routers. GNS3 Cisco Lab : Segment routing Traffic engineering(SRTE) explicit and dynamic path configuration on IOS-XR. In this blog I will discuss about the Segment routing based traffic engineering… Read More GNS3 LAB Cisco : Segment Routing traffic engineering configuration on IOS-XE routers.
This blog is very close to my heart because this is the first one where the lab is done on my recently built remote GNS3 server. Please check my blog on how to configure GNS3 as a remote server here How to Run GNS3 in Client Server Mode Now, lets get started with Segment routing.… Read More GNS3 LAB: Segment Routing Configuration on Cisco IOS-XE and IOS-XR routers.
On this blog I would like to discuss few basic details of ospf which everybody needs to know and which is very helpful to build the concepts of OSPF. For this we are going to use below reference GNS 3 topology. Question 1 : How and when the information about the ABR and ASBR is… Read More OSPF : Few basic questions…
I have this topology along with 6 tasks published in my previous blogs regarding ISIS. Check here , ISIS Blog 1, ISIS Blog 2, ISIS Blog 3 . Now when I have covered the basics of ISIS I feel the need to explain the lab topology and tasks…below is the same ..have fun!! Task… Read More Cisco ISIS GNS3 lab tasks and few other details ….