Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Dave Taht
On Sat, Jun 20, 2015 at 11:45 PM, Randy Bush wrote: >> Soultimately, what's the answer? A huge number of low cost, low >> power WAPs? Eager readers want to know. :) > > what was unclear about the following? +1 > Randy Bush wrote: >> From: Randy Bush >> Subject: Re: Whats' a good produ

Re: REMINDER: LEAP SECOND

2015-06-21 Thread Jimmy Hess
On Sun, Jun 21, 2015 at 1:06 AM, wrote: > On Sat, 20 Jun 2015 19:06:29 -0400, Jay Ashworth said: [snip] > I'll let the perpetrator, Richard Stallman, explain. It was a kerfluffle > regarding whether /bin/du should use units of 1,000 or 1024. > > http://karmak.org/archive/2003/01/12-14-99.epl.html

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Mike Lyon
What gear was used at the last NANOG in SF? Was it indeed Xirrus? -Mike On Sun, Jun 21, 2015 at 12:00 AM, Dave Taht wrote: > On Sat, Jun 20, 2015 at 11:45 PM, Randy Bush wrote: > >> Soultimately, what's the answer? A huge number of low cost, low > >> power WAPs? Eager readers want to k

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Randy Bush
> What gear was used at the last NANOG in SF? Was it indeed Xirrus? yes. but i would not blame the gear

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Dave Taht
On Sun, Jun 21, 2015 at 12:05 AM, Randy Bush wrote: >> What gear was used at the last NANOG in SF? Was it indeed Xirrus? > > yes. but i would not blame the gear I would blame some of the gear. Very bad bufferbloat (up to 1.5 sec of latency) on the download direction. http://snapon.lab.bufferblo

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Randy Bush
> What you need is more APs running at lower poer levels to cover > smaller areas, spread out around the room. lots of other trix. some of which i have seen are o pull the asians off on to one or more channel 14 aps (but that's old 11b days). o set the aps low so the wetware attenuates b

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Stephen Satchell
On 06/20/2015 11:56 PM, Mike Lyon wrote: Waaay to many variables to answer the question. Each deployment is different and requires proper engineering and experience... And a good description of the problem, too, as I learned the hard way trying to work with the IT people for a Ruckus installat

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Jared Mauch
> On Jun 21, 2015, at 1:28 AM, Randy Bush wrote: > >> My understanding is that the most recent NANOG had issues with clients >> picking channels sequentially vs by signal strength. There may have >> been other issues but when all devices use 149 because that's the >> first they can and they get

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Rob Seastrom
Stephen Satchell writes: > ... They just couldn't believe that 300 people could max out their system > ... > Last year, the group AVERAGED four devices each. A *camping* event that I go to, that is by and large not a technology-oriented consituency, averaged 2.6 devices per attendee. -r

Re: REMINDER: LEAP SECOND

2015-06-21 Thread Jay Ashworth
- Original Message - > From: "Jimmy Hess" > On Sun, Jun 21, 2015 at 1:06 AM, wrote: > > On Sat, 20 Jun 2015 19:06:29 -0400, Jay Ashworth said: > [snip] > > I'll let the perpetrator, Richard Stallman, explain. It was a > > kerfluffle > > regarding whether /bin/du should use units of 1,000

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Rafael Possamai
No wonder IPv4 is depleted. People's shoes have a MAC address nowadays... On Sun, Jun 21, 2015 at 8:32 AM, Rob Seastrom wrote: > > Stephen Satchell writes: > > > ... They just couldn't believe that 300 people could max out their system > > ... > > Last year, the group AVERAGED four devices each

Data Center Network Monitoring with TAPs

2015-06-21 Thread Mitch Howards
Hello All, Was wondering what folks are using to monitor traffic on their networks. Looking into Ixia and APCON devices for dedup and other filtering features as well as passive fiber TAPs to capture the traffic. How are folks handling TAP'ing large data center networks? TAPs at the "distri

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread John Todd
On 20 Jun 2015, at 9:37, Sina Owolabi wrote: I'd be grateful for any information on how to calculate for large scale wifi deployment [snip] While it is vendor specific (and therefore subject to certain biases) I’ve found the Aruba VRD (Validated Reference Design) documentation fairly clea

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Mike Lyon
And Aruba also did a kick-ass wireless installation at the new Levi's Stadium in Santa Clara. Here is a White Paper on it: http://arubanetworks.com/wp-content/uploads/stadiumRFfund.pdf -Mike On Sat, Jun 20, 2015 at 10:51 AM, John Todd wrote: > > On 20 Jun 2015, at 9:37, Sina Owolabi wrote: >

Re: Data Center Network Monitoring with TAPs

2015-06-21 Thread Mel Beckman
Ultimately this is one of the things that SDN schemes such as OpenFlow bring a data center for free. Distributed flow statistics collection through OenFlow's extensible infrastructure gives you a huge range of reporting and analysis capabilities, with no taps needed. Every network port is in ess

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Mel Beckman
I recently visited that installation. It's quite impressive and we are employing the "down-low" AP placement strategy on another high density project. The scheme uses human RF attenuation to enable closer AP spacing, which in turn supports a higher channel re-use ratio. -mel beckman > On Jun

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Mike Lyon
They also have an awesome DAS installation there as well. On Sun, Jun 21, 2015 at 10:08 PM, Mel Beckman wrote: > I recently visited that installation. It's quite impressive and we are > employing the "down-low" AP placement strategy on another high density > project. The scheme uses human RF att

Help Needed Converting KVM network Non-VLAN network to VLANs, odd

2015-06-21 Thread Sina Owolabi
Hi! I apologize if this is not something I should have posted here, but I've come to value the insights and experience of the people on this list a lot, and I am hoping my problem isn't unique. I am also sorry for the long read. I have been to the forums of the devices in play in this problem, an

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Sina Owolabi
This has all been a very huge help, and I am thankful for all the insights and reading material. I fee expert already! On Mon, Jun 22, 2015 at 6:14 AM Mike Lyon wrote: > They also have an awesome DAS installation there as well. > > On Sun, Jun 21, 2015 at 10:08 PM, Mel Beckman wrote: > > > I re

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Randy Bush
> This has all been a very huge help, and I am thankful for all the > insights and reading material. I feel expert already! then you should be very scared randy, who has been doing it for years and knows he is a weenie

Re: Whats' a good product for a high-density Wireless network setup?

2015-06-21 Thread Sina Owolabi
Well now. Being scared is part of the insight :-) And until I see a "No!!! Don't do it!!" post... On Mon, Jun 22, 2015 at 7:10 AM Randy Bush wrote: > > This has all been a very huge help, and I am thankful for all the > > insights and reading material. I feel expert already! > > then you should