Hello

First you need to enable Alexa features and link your device. Once that is done these are the skills you can use:

Alexa, Ask SURFboard for HelpA

Alexa, Ask SURFboard for my Guest Wi-Fi password

Alexa, Ask SURFboard to enable my Guest Wi-Fi network

Alexa, Ask SURFboard to disable my Guest Wi-Fi network

Alexa, Ask SURFboard to check my Wi-Fi network  

Alexa, Ask SURFboard to restart my gateway

For help to enable and link refer to:

http://arris.force.com/consumers/articles/General_FAQs/mAX-WC4T-Amazon-Alexa-Skills-Setup

https://arris.secure.force.com/consumers/articles/General_FAQs/SBG8300-Amazon-Alexa-Skills-Setup

http://arris.force.com/consumers/articles/General_FAQs/mAX-Routers-Amazon-Alexa-Skills-Setup