Cisco Bug CSCut25356 – The Leap Second

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Quick and straight forward update that a lot of users will probably look over. It is Cisco Bug CSCut25356 - The Leap Second. Basically it involves Cisco Unified Communications Manager (CallManager) versions 7.0, 7.1,...

Cisco IP Phone Inventory Script

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**Disclaimer: Use all scripts  with caution. I am posting what I personally used. I am not responsible for any issues you may have with the use of the following script. Recently we came across an...

Cisco WLC – Multiple SSIDs on the Same Vlan

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Sometimes in a wireless environment there are situations where you may want to have multiple SSIDs on the same vlan. For instance, you may want to use a single subnet and vlan for all...

Cisco WLC – DHCP Proxy Mode

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Had a fun one that I recently ran into and was lucky enough to make a good learning opportunity out of it. Hopefully it can help someone else too. This is concerning DHCP proxy...

AP Not Joining Controller – %DTLS-3-HANDSHAKE_FAILURE

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Just a little bit of background to kick this one off. I have a 4506 chassis here at home (overkill yes I know) and I recently got a great deal on a PoE, gigabit...

Generating and Installing Third Party SSL Certificate on a Cisco WLC

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There is a process that I recently needed to use to install a third party SSL certificate on a Cisco WLC. This is a process that I have used multiple times in the past,...
default guest portal catalyst 9800 wlc

Custom Guest Portal for Catalyst 9800 WLC

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If you are a Cisco wireless network admin, surely you are aware of the Catalyst 9800 series wireless LAN controllers by now. If not, you can find more out them HERE. Recently, we were...