On Wed, Jan 27, 2010 at 6:14 AM, Eustace Amah wrote:
> Am trying to reflash an XO but it quits after few lines with an error like
> this
>
> Net 516.6s 98KiB/s
> CRC mismatch for block #330: want 6ebdc7ac got 15f49d1b
Sounds like the image you downloaded is corrupt. Or maybe the USB stick is bad
Am trying to reflash an XO but it quits after few lines with an error like this
Net 516.6s 98KiB/s
CRC mismatch for block #330: want 6ebdc7ac got 15f49d1b
OLPC C2,256 MiB memory installed,S/N SHC837006DD
OpenFirmware CL1 Q2E41 Q2E
Use poer button to power off.
I need your help.
Rgds
Eustace Ama
] On Behalf Of Daniel Drake
Sent: Thursday, January 21, 2010 11:10 PM
To: Eustace Amah
Cc: Martin Langhoff; James Cameron; aklei...@sonic.net; Reuben K. Caron;
taiwo.alabi; server-devel@lists.laptop.org; Emeka Lewis Nwankwo; kene.ijezie
Subject: Re: [Server-devel] Technical questions
2010/1/21
2010/1/21 Eustace Amah :
> One of the problem that am experiencing now is that I configured the 15 APs
> with same ESSID, different channels(1,6,11) shared among them and located all
> around the school. Remember that the APs are configured with different subnet
> from the lease of DHCP server b
On Thu, Jan 21, 2010 at 4:18 PM, Eustace Amah wrote:
> One of the problem that am experiencing now is that I configured the 15 APs
> with same ESSID,
> different channels(1,6,11) shared among them and located all around the
> school.
Excellent.
> Remember that the APs are configured with diffe
, 2010 1:09 PM
To: James Cameron; aklei...@sonic.net; Reuben K. Caron; taiwo.alabi; Eustace
Amah; server-devel@lists.laptop.org; Emeka Lewis Nwankwo; kene.ijezie
Subject: Re: [Server-devel] Technical questions
On Thu, Jan 21, 2010 at 12:28 PM, Martin Langhoff
wrote:
> 3 - Define how many users
On Thu, Jan 21, 2010 at 12:28 PM, Martin Langhoff
wrote:
> 3 - Define how many users you can connect to an AP -- some APs have
> "configured" hard limits in the software they ship. If you have to
> guess, assume ~40 as the upper limit.
Let's reword that as: assume 30, which is where most APs star
On Thu, Jan 21, 2010 at 3:45 AM, James Cameron wrote:
> There are rules of thumb, and there is engineering.
I have two thumbs and no engine in me, so I prefer the former.
Is there any simple "5-step guide" to make an _initial_ antenna
placement & frequency selection for APs? It will of course n
On Wed, Jan 20, 2010 at 06:10:34PM -0800, aklei...@sonic.net wrote:
> I for one would be interested in knowing if you can comment about
> specific hardware (hopefully things currently available) that might serve
> as examples of some of the things you've discussed:
> i.e.: access points, improved
Thank you, James, very much for breaking down the issues and warning of
the pitfalls.
I for one would be interested in knowing if you can comment about
specific hardware (hopefully things currently available) that might serve
as examples of some of the things you've discussed:
i.e.: access points
On Wed, Jan 20, 2010 at 05:43:31AM -0500, Reuben K. Caron wrote:
> And by non-overlapping ranges he means you can ONLY USE channels 1, 6,
> and 11, spaced out so that two APs with channel 1 do not overlap.
For collective interest ... the air is a commons, divided by
frequencies.
The radios in the
On Wed, Jan 20, 2010 at 5:09 AM, Martin Langhoff wrote:
> On Wed, Jan 20, 2010 at 10:29 AM, Eustace Amah wrote:
> > Thanks for the prompt reply. I need to know what to configure on t he
> > eth1?The client XO needs to get their IP Lease from eth1 and connect to
> the
> > internet while eth0 will
: Re: [Server-devel] Technical questions
On Wed, Jan 20, 2010 at 11:16 AM, Eustace Amah wrote:
> Thanks. It means I do not need to configure anything on Eth1 like NAT or
> masquerading?
It is 100% preconfigured, works every time, and it has a fairly
specific configuration. I recommend you le
On Wed, Jan 20, 2010 at 11:16 AM, Eustace Amah wrote:
> Thanks. It means I do not need to configure anything on Eth1 like NAT or
> masquerading?
It is 100% preconfigured, works every time, and it has a fairly
specific configuration. I recommend you leave it as it is...
cheers,
m
--
martin.l
: [Server-devel] Technical questions
On Wed, Jan 20, 2010 at 10:29 AM, Eustace Amah wrote:
> Should I configure the
> Access points to lease their IP from the DHCP server or it should be fixed?
Good question -- configure them to have a fixed address in the
172.18.126.0/24 range. That ra
Thanks. It means I do not need to configure anything on Eth1 like NAT or
masquerading? I found a piece of documentation on the net on this. Can you take
a look quickly. They are suggesting that I should I configure the eth1 before
the XO can connect to the internet.
Take a look
-Original Me
On Wed, Jan 20, 2010 at 10:29 AM, Eustace Amah wrote:
> Should I configure the
> Access points to lease their IP from the DHCP server or it should be fixed?
Good question -- configure them to have a fixed address in the
172.18.126.0/24 range. That range is explicitly set aside for anything
you wa
Hi Martin,
Thanks for the prompt reply. I need to know what to configure on t he eth1?The
client XO needs to get their IP Lease from eth1 and connect to the internet
while eth0 will serve as the outbound connections.
Also I have about 15 Access points installed in the school. Must I have them on
On Wed, Jan 20, 2010 at 10:29 AM, Eustace Amah wrote:
> Thanks for the prompt reply. I need to know what to configure on t he
> eth1?The client XO needs to get their IP Lease from eth1 and connect to the
> internet while eth0 will serve as the outbound connections.
eth1 gets autoconfigured, and a
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