VIRTUALBOX GNS3 INSTALL
Set the CD-ROM to use the install ISO image, and boot the VM. In the screenshot below you’ll see that I added additional NICs, but this wasn’t necessary.
Just about everything else can be left to defaults. Important: Serial Ports: Enable Serial port 1, but you can leave it in Disconnected port state for now. RAM: 2560-4096 MB (as of 3.10, a minimum of 2.5 GB is supported for basic operation) The VM settings for the CSR are very straight-forward:
VIRTUALBOX GNS3 MAC OS X
I’m sure this can be done on Mac OS X or Linux but I’ve always had trouble getting GNS3 and VirtualBox both working nicely with each other on any platform besides Windows. I should note that I did all this on a Windows machine as I feel that is actually the best platform for GNS3 these days - or at least it’s the one that in my experience requires the least fiddling to get all the extra bits working. Anyway, if you haven’t already, install Oracle VirtualBox. I didn’t go back and try this with the 3.9 release to see, so that may well be true. In some cursory investigation, I found this blog article which suggests that the CSR’s flexibility only came around in the 3.10 release. It turns out with the current version, it’s really quite trivial. I expected installing the CSR to a VirtualBox VM to be a serious pain.
Save the ISO locally, and you’re ready to build a router. I simply went to Cisco’s site, logged in (even a guest-level account should be able to access this download) and found the current version of the CSR (3.11 as of this writing) in the downloads section. In order to install the CSR in a non-VMWare environment, you need to download the ISO install image rather than the OVA. Well, OK, perhaps it’s possible to get it going with QEMU as I also noticed in the release notes for the 3.11 release that Linux KVM is a supported hypervisor now, but VirtualBox seemed the path of lesser resistance to me so that’s the way I went. The key to running the CSR1000V in GNS3 is running it in VirtualBox. Last night I decided to see if it could be done. The CSR1000V is attractive as it provides a means to run IOS-XE, the same variant as on the ASR-series routers, and unlike Dynamips, Cisco has blessed use of the CSR with the 2.5 Mb/s throughput-limited trial license as a legitimate labbing platform. Since then, I occasionally see that some readers land on my blog after searching for the terms “CSR1000V GNS3” looking for assistance in integrating the CSR with the popular networking simulation platform.
The better part of a year ago when the Cisco CSR1000V was publicly released, I quickly tested the notion of running the Cloud Services Router in VMWare Fusion on the Mac, rather than on a full vSphere server.
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