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I decided to refresh my earlier article on Migrating to Nexus 7000 from Catalyst 6500 and 4500 Switches with some 5.x/6.0 updates. The current set of NX-OS 5.x/6.0 CLI commands in are pretty similar to the 12.2 IOS CLI on Catalyst 4500 and 6500s. I've also added some additional commands…

Why am I writing this? One of the readers of my blog asked me about video and X-Lite. Specifically, they wanted to know if X-Lite supported video communications with the [...]

I had opportunity to participate in a UCCX version 7.x to 8.x upgrade recently which involves a change in the underlying UCCX Operating System (From Windows to Linux).  Based on [...]

Coming up for the January 24, 2012 Cisco Mid-Atlantic User Group (C-MUG) session, Rick Burts, CCIE #4615, will be presenting a discussion on Routing Operations.

Are you planning to attend Enterprise Connect Orlando 2012? If so, you might be interested in attending one of the two sessions that Terry Slattery will be supporting. Terry will be one of the speakers during a three-hour workshop on QoS and Network Design for Converged Networks on Wednesday, March…

Logging network activity is one of the most powerful tools in your security arsenal; it lets you confirm or deny suspicious behavior and it lets you reconstruct events long after [...]

I have been thinking about best practices for configuring Nexus 7000 switches, and most recently about Layer 2 best practices.  One of my customers wanted to set his root bridge and secondary bridge for his VLANs to be his N7Ks. This is a best practice recommended by Cisco. With virtual…

Man page for tar and couldn’t find anything that would help remedy the situation. I tried to use the “–exclude” command line option with no success. After some digging I found [...]

This blog covers some undocumented tidbits about Nexus Licensing that you might want to know about. Thanks to Vinny Clements for some good discussions and for actually taking the bull [...]

In May 2011, 4G LTE support to the Cisco Cius. Since then I have seen rehashes of the same announcement repeated on various sources, with no real indication as to [...]

Most Cisco documents state that networks and interfaces are added to the EIGRP routing process in NX-OS using the interface configuration mode. The Cisco NX-OS/IOS EIGRP Comparison page states this, so do the Configuring EIGRP pages in the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x documentation.…

On November 15th - 17th I was in Miami, FL attending the Cisco Collaboration Partner Summit. This is an annual event that NetCraftsmen has participated in for a few years. This year was the first year that I was invited to attend. So, I can't measure this year's event to…