Do you lose CCNP/CCDP certifications right at the expiration date or is there a grace period similar to CCIE's (one year grace period)?   Thanks in advance,

Does anyone know if there's any simulation program on which I can practice MPLS L2VPN's (VPLS, pseudo-wires AtoM etc...) on IOS -XR?I did some research on VIRL, GSR1000v and Cisco Lab Builder and I am still not sure if any of those platforms support ...

Today a friend of mine showed me some kind of Cisco network emulator that uses real IOS. It is not GNS3. This thing does switching and routing flawlessly. It was running on a virtual machine on Linux.  He said that Cisco is using it to train their em...

I have been working on a pretty big project for work for the past few months and  today I am getting errors when I try to open my project. Hopefully I did  not mess it up because I've spent so much time on this project and  deadlines is nearing. Hope...