Connectivity issues between Cohesity C5016 Nodes and Nexus 93180YC-FX3H Switches Very recently, I was deploying a new Cohesity C5016 appliance with 25Gb NICs, connecting up to a pair of Nexus 93180YC-FX3H switches. When using the 9K's in a VPC pair, my personal preference is to configure the Cohesity nodes with LACP to …

Cisco recently patched two critical vulnerabilities in their firewall products, discovered after probable nation-state actors targeted them in a campaign dubbed "Arcane Door". These zero-day vulnerabilities, found in devices running ASA and FTD software, were exploited to implant malware and possibly steal data. Cisco …

Posting this more as a note to myself as a reminder and to also read the release notes a bit more carefully! After recently going thru an upgrade of the Firepower Management Center from 7.0.x to 7.2 FMCv, specifically on the Nutanix AHV platform I ran into a bug where the VM would not boot after the upgrade. While the …

Cisco seems to be having a rough go of it lately with bugs that have a time bomb for certain hardware and software. Following up on the Signal Component issues – that plagued a large number of product lines (And in Cisco’s defense affected more than just Cisco – other vendors are affetected). I’m still waiting to find …

Back in November 2015 I wrote a post about FEX Topologies with the Cisco Nexus platforms, and at the time the Nexus 5K/6K line was the only model that would support the active/active FEX topology (FEX-AA), which was unfortunate in designing redundant connectivity for downstream devices. But with the release of NX-OS …

It’s been over 6 months since I last had NSX working in my home lab, and with a rebuild I decided it was time to wrap up Part 2 of my NSX in a home lab blog post. In Part 1 of my Deploying NSX series, we covered the prep of NSX in the environment, including deploying the NSX Manager appliance, deploying NSX Controllers …

Onto the Logical Router…. In Part 1 of my Deploying NSX series, we covered the prep of NSX in the environment, including deploying the NSX Manager appliance, deploying NSX Controllers and vSphere host preparation. In Part 2 this part of the series, we covered the creation of Logical Switches and our NSX Edge, which …