Tag: NX-OS

Ever since I heard that the Nexus 9K has 50% less code, I've been wondering what features were removed from the code. So I did my best to figure it out, since I haven't seen a detailed features list from Cisco yet (early days and all that). I've also noticed…

I noticed that you may not initially be able to set the clock time and date on Nexus 5Ks. For example: SWITCH-5K2# sh clock 18:16:56.460 UTC Fri Jun 12 2009 SWITCH-5K2# clock set 13:21:00 13 feb 2014 Setting clock from CLI is not allowed in this VDC. SWITCH-5K2# However, the…

I have been looking at using a service provider MPLS VPN to back up an enterprise MAN connections where the core routers are Nexus 7000s (N7Ks). Basic Premise An organization called Gamma has two main sites, DC and HQ, in the same city. The two divisions are in different buildings…

I was looking over the NX-OS QoS configuration information, and noted that the documentation states that the permit and deny ACL keywords are ignored for the purposes of matching in QoS class-maps. Really truly? I have found that that using both permit and deny statements in ACLs is a common…

The newer versions of NX-OS support 1G or 10G on the N5K, but the N5K is not auto-speed sensing. A mini case study follows.

I recently noticed that Cisco has a tool for converting IOS configurations to NX-OS configurations. The tool is called "IOS-NXOS Migration Tool", it is located here: https://tools.cisco.com/nxmt/My quick review follows.

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…

Note: This is an older version of my command summary, the updated version is available at http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_1/nx-os/master/index/master_index.html http://docwiki.cisco.com/wiki/Cisco_Nexus_7000_NX-OS/IOS_Comparison_Tech_Notes <– just found this, includes multiple articles comparing Cisco NX-OS and Cisco [...]