I have recently had the opportunity to get my hands on a shiny new Cisco DNA Center appliance and some sexy new Catalyst 9K switches. One of the first items on my to-do list was to configure an existing ISE server as an external authentication source using TACACS.

Read More Cisco DNA Center external Authentication using ISE TACACS – Part 1

This is a quick post on how I handled the Captive Network Assistant for a site that was hosting a walled garden WiFi network and wished to redirect clients to a media service portal splash page.

Read More Handling the Captive Network Assistant for a closed network with a redirect using Apache and Bind

I was having a lot of problems today moving the SFTP backup target for a Cisco Unified CCX system. To cut a long story short (and it took a bloody long time to work this out!), the problem was with the ciphers that were being made available by the SSHD service on the new backup target.

Read More Unable to access SFTP server error when configuring a backup for Cisco Unified CCX 10.6.1

Today I had to setup wireless access for a group of PCs that were to be used in a training room where wired access was limited. To solve this problem I implemented an alternate login method for the existing wireless network that used the AD computer account to authenticate using Protected EAP-MSCHAPv2. This way the PCs connected to the wireless network before anyone logged in.

Read More Wireless 802.1x for Machine Auth only using NPS