A compilation of the webinar Q&A is now available. Thanks to all who joined the webinar. A copy of the presentation is available. Here is a recording of the presentation on Aruba's website. If you have any questions, please post them here in the comments section.
Q: Where can I find the validated reference design (VRD) mentioned in the webinar?
A: The VRDs are avaialble at http://www.arubanetworks.com/vrd.
Q: Is the 93H software selectable from 2.4 to 5 so that you can provide 2.4 in rooms where legacy devices exist?
A: Yes, it's selectable as part of the AP group
Q: Can we use the passthrough on the 93H to provide another 93H (one set to 2.4 and one to 5)?
A: You could do this, but it does not provide PoE power, you'd have to be supplying PoE on the pass through. That port is simply a mechanical pass through, much like a patch pannel.
Q: Is ARM auomatically set on the controllers?
A: Yes, ARM is already working on your system unless you disabled it. You can find more information on the VRD page as to ARM operation and settings in the 802.11n guide.
Q: Where can I find data on the AP-93H?
A: You can find the datasheet on the AP-93H here: http://www.arubanetworks.com/pdf/products/DS_AP93H.pdf
Q: Does Aruba have high density and/or rack mountable PoE injectors? If not, how about partners w/ validated/tested ones?
A: We resell PowerDsine injectors that work with our APs, but any standards based PoE injectors or switches should work fine.
Q: Can we mix the AP-93H with other Aruba APs for the rooms that have poor reception?
A: Yes you can.
Q: Any additonal considerations for Suite-style layouts (4 rooms with common area)?
A: Nothing outside of the standard design principals around coverage and checking building materials. This is to some degree like any other residence hall deployment, and there really isn't anything out of the ordinary to worry about.
Q: Are users in their 802.11n installations using 20 MHz or 40 MHz wide channels? What is recommended?
A: In general we use 40 MHz channels in 5 GHz channels and 20 MHz channels in the 2.4 GHz band. In extremely high density deployments in open space we have gone to 20 MHz in 5 GHz, but this usually does not apply in a residence hall as there are enough walls to mitigate the propagation of the signal.
Q: Should we use 40 MHz channels in the 2.4 range in the dorm environment?
A: No, we don't recommend 40 MHz channels in 2.4 in any deployment.
Q: Does aruba make a shell or enclosure (or recommend one) that will keep it safe while living in a dorm room?
A: Aruba recommends Oberon enclosures for the APs if you are worried about theft or damage. You can find their enclosures at http://www.oberonwireless.com/
Q: What options would you suggest in an environment where client isolation is enabled to prevent man in the middle attacks. With this option enabled in residence halls it prevents the use of wireless printing or airplay.
A: Please take a look at our webinar on our AirGroup product, available as a link on the Q&A page for that webinar at http://community.arubanetworks.com/t5/Technology-Blog/Campus-Wide-AirPrint-and-AirPlay-Webinar-Q-amp-A/ba-p/60154
Q: What do you do about low ceilings? In some of our residence halls the ceilings are just at or slightly lower than 8 feet. Does that provide enough height for the signal to cover the area?
A: In general this shouldn't be a problem, but you may want to consider an AP with omnidirectional antennas that will also cover the floor above.
Q: How does ARM handle rogue AP interference such as channel assignments if ARM is in control of them. Does ARM try to work around rogue AP by re-assigning channels?
A: If the interference is great enough from a rogue AP, or any other interference source, ARM will switch channels automatically to get around the interference. The system will also alert you to the rogues existence, locate the rogue for you, and can keep users off of the rogue device. Our recommendation is to inform your students about the wireless network and ask them to keep their router at home.
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