As we all know Cisco recently released the CSR1000v. This post will describe how to create a home lab consisting of Dynamips and CSR1000v running on ESXi. You should already have deployed the CSR and have a Dynamips box ready.
Drastically decreasing CPU load in Dynamips
Running Dynamips takes a lot of CPU and memory and running a full CCIE topology on a Windows machine can be tough. I do a lot of studying on my commute to my job and I run some smaller labs
Multicast session booked for tonight
Going to do a rack rental tonight since I’m going to do multicast labs. From what I’ve heard Dynamips has some issues with multicast, not sure if it still has issues but I’ll do a rack rental to not spend
Quickly opening multiple sessions with Putty
If you as I are studying for the CCIE R&S you should be using Putty? Why? Because for the R&S track Putty is used in the lab. Yes, I an many others use SecureCRT and love the tabs but you
Script updates
Some more updates to script: Had missed to remap some serial interfaces on r4-r6 Port Fa0/6 on SW2 wasn’t remapped which led to connectivity issues between R1 and R6
Script updated again
Found some more bugs: Wasn’t matching specific enough in the sed statements for bb1 Added 100/full to backbone routers ethernet interfaces Redid how I delete interfaces for backbone routers Should be pretty close to finished now but I find something
Script updated
Found a lot of errors in my script and added some features. Things that got fixed: Searching for interfaces for r1-r6 that didn’t need to be changed Setting all interfaces to 100/full since Dynamips doesn’t like auto Some patterns weren’t
Dynamips – findings
So I have made some more findings about Dynamips Running more hypervisors is not more effecient than running one, will load balance over cores anyway GNS3 is just a hassle, stick with Dynagen if you have a set topology This
Dynamips – loadbalanced hypervisors
As most CCIE candidates know Dynamips runs much better on Linux. Many of us run Windows at work or as our primary OS and might be afraid to mess around with partitioning and dual booting. There is a safer alternative