Comparing Cisco WDS Bridge and WorkGroup Bridge modes

I recently had a small job to configure few Cisco WAP121 wireless access points for a client to be used as Wi-Fi extenders. On WAP121 this can be done in two ways - "WDS Bridge" and "WorkGroup Bridge". 

WorkGroup Bridge is more or less standard Wi-Fi Repeating mode that is widely available on many routers and access points. It works on layer 3 and connects to a host WiFi access point using SSID and password as any other client. This allows to configure WiFi extenders without having admin access to the host router.

WDS Bridge is less common and less standardised mode that works on level 2. Both host and client access points need to be configured by entering each other's MAC addresses and optional security details. Because of lack of standards I wouldn't suggest using WDS on access points from different manufacturers. This method doesn't use SSIDs at all so they can be configured independently from WDS setup.

WorkGroup Bridge (Wi-Fi Repeater) mode doesn't work on Cisco WAP121

Issue

Cisco WAP121 Wi-Fi access points do not work properly as wireless repeaters (extending signal from a Hitron cable modem/router). WAP121 actually establishes connection to the main router and can be used as a bridge for wired clients. However, as soon as you try to enable Access Point Interface, connection to the main router drops...

Cisco calls this WiFi repeater mode "WorkGroup Bridge".

Some files on the server may be missing or incorrect...

Issue

A website throws following pop-up messages on every singe page:

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Customise Gantry based template's CSS

To customise Gantry based Joomla template's CSS (Cascading Style Sheets):

• Go to templates/template_name/css folder and create a file with name template_name-custom.css
• Place your CSS customisation in this file
• Refresh the webpage, if necessary clear browser's cache

For example, let's say we want to change article text colour to green in Joomla's rt_afterburner2 template:

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