Microwave ovens?
On Fri, Sep 13, 2013 at 1:58 PM, Maglinger, Paul <[email protected]>wrote: > Just curious… are you guys using cordless phones near those workstations? > **** > > ** ** > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Daniel Chenault > *Sent:* Friday, September 20, 2013 12:28 PM > > *To:* [email protected] > *Subject:* Re: [NTSysADM] Troubleshooting wireless - advice - multiple > answers**** > > ** ** > > What's happening on the 6th floor in the vicinity of those rooms? > > And all this science I don't understand**** > > It's just my job five days a week**** > > ** ** > > Elton John "Rocket Man"**** > > > On Sep 13, 2013, at 11:50, "David Lum" <[email protected]> wrote:**** > > Answers to multiple e-mails**** > > **** > > Laptop hardware info:**** > > Multiple Dell laptops and Macbooks**** > > Multiple NIC vendors**** > > Windows and MAC OS’s**** > > Unsure if a reboot clears the issue**** > > **** > > Location information:**** > > Same area of the building (north side)**** > > Different times of the day**** > > Rooms are toward the edge of the building**** > > Building is 7 floors high, problem reports have come from 5th and 7thfloor > **** > > **** > > Infrastructure information:**** > > 50 dual-band AP’s**** > > Signal strength as measured by iNSSIDer never weaker than 60dB and > typically there are multiple AP’s stronger than 65dB**** > > Walking the floor, by the time one AP’s signal strength has dropped below > 60dB you are then closer to another AP with a signal stronger than 60dB*** > * > > Per Meru, all AP’s are on the same channels, all AP’s are set to full > broadcast power**** > > **** > > Usage information:**** > > User activity at the time varies from looking at a web page**** > > Different times of the day**** > > * unknown the duration the users have this issue**** > > **** > > Dave**** > > **** > > **** > > Can you swap APs to see if the problem follows the AP?**** > > Different hardware might rule out drivers.**** > > Are these two rooms next to each other on the same AP or different areas > and different Aps?**** > > How long does it usually last? Does it clear itself or is a reboot needed? > **** > > Same time or completely varies?**** > > When it’s happening, if someone else comes in does it happen to them?**** > > Are they always in the same spot?**** > > **** > > **** > > *From:* [email protected] [ > mailto:[email protected] <[email protected]>] *On > Behalf Of *Micheal Espinola Jr > *Sent:* Thursday, September 12, 2013 5:28 PM > *To:* [email protected] > *Subject:* Re: [NTSysADM] Troubleshooting wireless - advice**** > > **** > > I'm assuming this is a roaming issue between multiple APs with the same > SSID. If not, please correct me.**** > > **** > > 1. Which brand are the mobile devices that are experiencing issues > with these APs?**** > 2. Who makes the NIC chipsets on these devices?**** > 3. If a problematic device is hard-reset while in close-range of the > AP its having connectivity issues with, does the problem continue?**** > 4. What is the radio channel of the AP with problematic clients - and > what are the radio channels of its nearest (3) neighbors?**** > > > **** > > -- > Espi**** > > **** > > **** > > On Thu, Sep 12, 2013 at 1:00 PM, David Lum <[email protected]> wrote:**** > > Scenario: Five floors, 50 AP’s managed by a single controller (Meru). A > few (less than ten, more than two) users report connectivity issues in two > different small conference/meeting rooms. **** > > **** > > · Throughput/capacity limits are not being approached**** > > · These rooms are used largely ad-hoc, so rarely are the people > who report problems in the same room consecutive days. **** > > · Users with reporting issues do not report problems in any other > areas/floors of the building**** > > · Users reporting issues are not streaming video, and in some > cases are sitting idle reading a document**** > > · Other users have no problems in the areas/room that these few > users report problems**** > > · Two of the users reporting problems in the same room are on > completely different hardware/software (Dell+Win7, Mac+MacOS)**** > > **** > > Our suspicion is a malfunctioning AP in the area, the confusing part is > not everyone is reporting an issue in the areas that a few people are > having problems from.**** > > **** > > I am working with our vendor (Meru), but it’s a laborious process of > looking at logs, making a change, and then “let us know if the users still > report a problem”. This method can result in three/four days between making > a change and the user going back into the affected area.**** > > **** > > Today Meru had us disable the AP closest to that room, but I’d love some > advice on a better way to systematically get at this in case the bum AP is > not the issue. Swapping machines is the least desirable option here > (doable, but these are busy folks in transit a lot).**** > > **** > > It doesn’t help that two of the users are director-level and one of THOSE > is my boss’ boss….**** > > *David Lum* > Sr. Systems Engineer // NWEATM > Office 503.548.5229 //* *Cell (voice/text) 503.267.9764**** > > **** > > **** > >
