[Server-devel] XS Help, please

Sat May 16 14:03:26 EDT 2009

Tim,

This is incredibly helpful.
I will get and install the 2nd NIC, and then reinstall the XS software.

I will give all this a try when school resumes on Monday and update the
list.

Thanks.
Gerald

On Sat, May 16, 2009 at 11:55 AM, Tim Moody <timmoody at sympatico.ca> wrote:

> Hi Gerald,
>
> To expand a bit on what Martin wrote, the XS sits between the XOs and the
> world (rest of the network).  You haven't said how the XS and AP connect to
> each other, but I'm assuming it is via ethernet, that is the AP is not
> directly attached via USB.  If that is the case the XS needs two ethernet
> cards, one for the AP and XOs, and another for the world.  In all
> likelihood
> these would attach to different VLANs.
>
> I have fiddled with manually configuring ethernet on the XS and have wasted
> a lot of time.  If I were in your situation, I would simply reinstall the
> latest version of XS, especially since it is suited to your architecture
> and
> you probably don't have anything at this point that you need to preserve.
>
> Ask your network guy for a static IP address and addresses of the DNS
> server
> and gateway for the world.  During the install use these values to set up
> eth0.  Attach this ethernet port to the VLAN that includes external access
> (not the XOs and AP).
>
> XS install will set up eth1 with the proper IP address along with DHCP,
> DNS,
> Gateway for the XOs.  Attach this ethernet port to the special VLAN created
> for XOs and attach the AP to the same VLAN.  If the AP has a static IP
> address it needs to be in the subnet of eth1 and not in the range of DHCP
> address supplied by the XS, though letting the AP get its IP address via
> DHCP from the XS may also work.  Eth1 addresses will probably start 172.18.
> It is also possible that what you think are eth0 and eth1 are reversed by
> the install and there is a command to switch them, but a little
> experimenting will also reveal what's what.
>
> My guess is that you had the XOs in the same VLAN as the XS's external port
> before, which is why ping worked, but nothing else.
>
> Hope this helps,
>
> Tim
>
>
> > Message: 8
> > Date: Sat, 16 May 2009 06:10:07 -0400
> > From: Gerald Ardito <gmanb5 at gmail.com>
> > Subject: Re: [Server-devel] XS Help, please
> > To: Martin Langhoff <martin.langhoff at gmail.com>
> > Cc: Server-devel at lists.laptop.org
> > Message-ID:
> > <9403b1570905160310w678cae38w958bbdadfe63448a at mail.gmail.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Martin,
> >
> > Thanks for the help.
> >
> > I am running version 0.5.2 (the latest stable version).
> >
> > The network looks like this:
> > XOs connect to an AP
> > AP points to server box
> > Server box connected to VLAN
> >
> > The problems I am having:
> > 1) I was told by my network guy to set the box for a static IP address
> and
> > default gateway. I do this via ifconfig, but when I reboot, it is gone.
> > 2) I was told by my network guy to configure DHCP for a bunch of
> > parameters
> > (subnet mask, IP range). I have references about dhcpd.conf but I was
> > worried it was created by one of the olpc-scripts.
> > 3) So, since the server is not set properly, the XOs can't connect to
> that
> > newly created wireless network.
> >
> > The old problems I was having:
> > 1) When we were all on the school's regular network, the XOs could ping
> > the
> > server and vice versa. But the "Register" function didn't work. I don't
> > know
> > if this is still a problem because I can't get the new chunk of things to
> > work.
> >
> > Does this give you what you need?
> > Is it possible to Skype sometime? My Skype username is gmanb5.
> >
> > Thanks.
> > Gerald
> > On Sat, May 16, 2009 at 5:45 AM, Martin Langhoff
> > <martin.langhoff at gmail.com>wrote:
> >
> >> Hello Gerald,
> >>
> >> It'd be useful to hear more about
> >>
> >>  - what XS version
> >>  - network topology
> >>  - what exact problems you are having
> >>
> >> it's hard to provide advise.
> >>
> >> I'll try however. In general, you should not change the dhcpd
> >> configuration
> >> on the XS. Give the XS 2 NICs, and let it run its own subnet.
> >>
> >> hope that helps - but do give us some more info!
> >>
> >>
> >> martin
> >>
> >> On Fri, May 15, 2009 at 10:50 PM, Gerald Ardito <gmanb5 at gmail.com>
> wrote:
> >>
> >>> Hello.
> >>>
> >>> I need some help. I have been trying to get my XS Server running for
> >>> some
> >>> months now with little success.
> >>>
> >>> Recently, in order to alleviate some problems, our school's network guy
> >>> established a new VLAN only for the XOs.
> >>>
> >>> The VLAN points to my server box as the DHCP server.
> >>>
> >>> Here's what I think I need to do:
> >>> 1. Edit the DHCP config file for: 1) IP address; 2) subnet mask; 3) and
> >>> IP
> >>> range
> >>> 2. Edit the resolv.config file to point our schoolserver to the IP
> >>> address
> >>> set above
> >>> 3. Start the dhcpd service.
> >>>
> >>> Here are my questions:
> >>> 1) is that right?
> >>> 2) is there anything else I need to do to configure the DNS and DHCP
> >>> services?
> >>>
> >>>
> >>> Thanks. I really need to get this running!
> >>>
> >>> Gerald
> >>>
> >>> _______________________________________________
> >>> Server-devel mailing list
> >>> Server-devel at lists.laptop.org
> >>> http://lists.laptop.org/listinfo/server-devel
> >>>
> >>>
> >>
> >>
> >> --
> >> martin.langhoff at gmail.com
> >> martin at laptop.org -- School Server Architect
> >> - ask interesting questions
> >> - don't get distracted with shiny stuff  - working code first
> >> - http://wiki.laptop.org/go/User:Martinlanghoff
> >>
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