UC Corner

Just upgraded ESXi from 5.5 to 6.0 on my HP DL380 G5 with the "HP Custom Image".  Thought it'd work better than the "vani...

GNS3 is a well known network emulator software.  Many people compare it with IOU, which is not quite an apple-to-apple compare. GNS3 is ac...

I've been testing CSR 10.5 (UCM 10.5, UCCX 10.5) on ESXi 5.5 U2. I kept running into problems I've never seen before, such as the ...

I've been using IOU Web for network emulation. "Cloud" device is the bridge between internal devices (such as routers within...

My home lab has been collecting dust for a while.  During the weekend, I wanted to refresh it with the latest and greatest, which means: 1...

I was working on a network migration project for a large enterprise.  They are migrating their Catalyst 6509 network to Nexus (7ks, 5ks, 2ks...

Say, you want to put a text-based file on a router's flash memory.  It could be a license file, a config file, or some scripts. The ...