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Category Archives: Cisco

When Implementations Fail: Firewall Edition

We’ve been running the company on a cluster of ASA 5520s from quite some time, and it was finally time to upgrade and clean up the mess that multiple rounds of management had made in those firewalls. Additionally, we had to move the secondary unit and all the WAN equipment attached to it, to a […]

Adding a Subnet to a Nexus/UCS/VMware Environment

So, this was a fun exercise. It started when I was trying to build a few Server 2012 Lab machines to do some testing on. We realized that we were running out of IP addresses for our server vlans, so I was tasked to create a new vlan and subnet specifically for testing and labs. […]