cd sflow-rtThe dashboard web interface shown in the screen shot should now be accessible. Run a test to see data in the dashboard. The following test created the results shown:
./get-app.sh sflow-rt mininet-dashboard
./start.sh
sudo mn --custom extras/sflow.py --link tc,bw=10 --topo tree,depth=2,fanout=2 --test iperfThe dashboard has three time series charts that update every second and show five minutes worth of data. From top to bottom, the charts are:
One of my students asked me this question a month ago. “What is the difference between PIM Sparse Mode and PIM SSM (Source Specific Multicast)?” But, since I had two CCDE bootcamps in one month, I didn’t have time to answer the question on this platform. By the way I have seen this mis understanding […]
The post PIM Sparse Mode Vs PIM SSM appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.
On May the 17th I passed the CCDE practical in Madrid and became Swedens 2nd CCDE, CCDE #20160011. This post describes my journey to passing the CCDE practical in my 1st attempt and the materials that I used to do so.
Let me start by saying that this is a tough exam, a very tough exam. You need to be an expert in RS and SP technologies and there is no instant feedback in the exam, like you would get in the CCIE lab. In the CCIE lab you will see you are missing routes or if your output does not match the output the lab guidelines told you to match. In the CCDE practical there will be very few questions that you are 100% sure that you got the optimal answer. Design is a more subjective skill than implementation. I had several moments where I felt that I could just as well leave because there was no chance I was going to pass the lab. You need to be mentally strong to put those thoughts aside and just keep performing your best throughout the whole exam. You might be doing a lot better than you think.
The first section Continue reading
One of the basic function of any data centre network is the ability to communicate with baremetal servers. In this post we’ll see how Neutron L2 Gateway plugin can be used to configure a Cumulus VX switch for VXLAN-VLAN bridging.
Continue reading
Ruckus’s Selina Lo says OpenG will be big.
Brocade and Telefonica test vEPC; Riverbed enhances SteelCentral.
When it comes to network management tools, there's a lot of room for improvement. Peter Welcher considers some possibilities.