WiFi in Hazardous Environments
Recently my team has been engaged in conducting wireless surveys in process environments and I thought this would be a good opportunity to post what I have learned in this area since the internet does not do a good job of breaking down the options. This is definitely not a full course on hazardous environments. …
Cisco WLC Web Auth Certificate
It was time to renew the Web Auth certificate on our WLC again and it never fails, there is usually something that causes this process to go awry. Having said that, each time I need to troubleshoot certificates my understanding grows and my arsenal of troubleshooting skills gets a little larger making me more effective…
Virtual IP & Guest Redirects
I would like to shed some light on how exactly the guest redirect works when a guest user connects and is redirected to the WLC’s captive portal. This is one of those items that I always overlooked (because it was working) but was forced to learn when it was found the virtual IP address was…
Virtual IP Woes!
I wanted to write about a problem I had recently with the virtual IP address of a Cisco WLC. The IP address had been in use for years with no issues. It was addressed in the 12.x.x.x subnet and was actually a real IP address for one of our external websites. I had read in…
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