Easy way to connect GNS3 to the Internet on Windows host

Saifudheen SidheeqGns3, Networking1 Comment

Internet access on GNS3

The gns3 has evolved from just a simulator for Cisco IOS to a multivendor environment.You can simulate the physical network virtually in gns3 and it works great! Wouldn’t be cool if we can get the host internet access shared to the gns3 that way the devices in gns3 can access the internet and you can do a lot more with … Read More

[Solution] You need at least 8.6GB disk space to install Ubuntu. The computer has only 2.0GB

Saifudheen SidheeqLinux, Ubuntu, VirtualizationLeave a Comment

I was working on a topology where I had to add a Ubuntu desktop client to simulate the end-user machine. I tried to install Ubuntu on the KVM hypervisor. Downloaded the Ubuntu ISO file, moved the Ubuntu-desktop ISO file to /var/lib/libvert/images folder on the KVM server I was working on. Selected network configuration and started the VM installation. There were … Read More

The overlay and underlay network lab using SD-WAN

Saifudheen SidheeqNuage-SDN, SDN2 Comments

I have covered what is VXLAN and the differences between the overlay and underlay network here, in this blog we are going to take a look at the overlay and underlay in action using nuage sd-wan lab. The underlay network topology. Below is the actual underlay network, The Branch 1 NSG is connected to two WAN links both from internet … Read More

(Solution) RIP not working in IOU gns3

Saifudheen SidheeqNetworkingLeave a Comment

(Solution) RIP version 2 is not working in IOU gns3

I was working on my CCIE BGP lab the other day using Cisco IOU.While I was at it I had to advertise Loopback interfaces using Rip ver 2 so that I could create IBGP full mesh using the loopback. but it turns out, RIP was not working in my lab. This was the network topology I was working on. Testing … Read More