Cisco 2K FEX 40/100 BiDi
The question comes up often about using the Cisco 40/100G BiDi QSFP28 optic for use with the Cisco Nexus 2348UPQ, or even other current Nexus 2300 FEX modules, ...
Tag: NXOS
Find number of ports by type
One common issue, and question, I get in the field is determining how many of a particular port type and speed is deployed in your data center network? This pos...
Parse CDP neighbor with regex
There are many ways to filter output, but this will, at least, add the top line of the show cdp neighbor detail command to isolate everything for you
No matching key exchange method found – Linux and Mac OSX
Lots of people get this error because most OS developers are deprecating the use of insecure key exchanges; however, there are many equipment and other OS vendo...
Nexus 93180YC-EX with Cisco Nexus 2348UPQ 40GbE
I have seen this around the Internet and a lot of the information is old, and incorrect at the date of this blog post. Thus, what I will link here is the ...
How to IPv6 – a common sense approach
Never thought I would be writing about how to utilize IPv6 in 2017 because of all the excellent material on the Internet; however, I have discovered a few thing...
What is Cisco Nexus ToR-FEX
I realize there is still some confusion regarding Cisco Nexus FEX as it relates to ToR connected FEX, which is a Cisco Nexus 2K FEX with a Cisco Nexus 5K/7K/9K ...
Cisco Nexus 9300 QOS
Based on 6.x code, and I believe 7.x but I could be wrong: f you’re coming from the Nexus 5500 platforms you’re in for a little tweaking to get this working as ...
Cisco BGP EVPN VXLAN – Part 2 – Spine uplink failure
So, you’ve surely seen some interesting tidbits in the previous section, things you haven’t noticed from other configurations on the Internet. I will outline wh...
Cisco BGP EVPN VXLAN- Part 1
Here is an overview of the Cisco implementation for VXLAN using BGP EVPN for distributed control-plane operations. anycast gateway, and unicast head-end replica...