[Server-devel] AP with fixed IP address

Martin Langhoff martin.langhoff at gmail.com
Tue Aug 19 19:18:00 EDT 2008

2008/8/20 David Leeming <leeming at pipolfastaem.gov.sb>:
> I am setting up a server using a outdoor access point from Rural Link
> (www.rurallink.co.nz) at our Patukae OLPC trial school site in Solomon
> Islands. It's a type that can't get an IP address from a DHCP server and on
> the LAN side needs to be fixed.

Jerry's answer is correct. Edit ifcfg-eth0

> Normally I have found, when setting up the XS, that if I attach a simple AP
> to a second NIC using eth1, with DHCP, there is no additional configuration
> required. It works by default.

That sounds wrong. Maybe I'm misunderstanding what you've done but

 - eth0 is the WAN address. Attaching something to eth1 does not solve
anything unless you've got eth0 and eth1 mixed up...

 - On the LAN side (eth1) don't let the AP act as a router or give
DHCP leases. Set it to be a vanilla AP, no DHCP, routing or NAT'ting.
It is up to the XS to do routing, NAT'ting, handing out DHCP leases
and providing DNS services.

> In the case of my Rural Link access point, I need to fix an IP address
> within the range given by the server – which presumably it also uses to
> allocate addresses to the XOs.

So you are talking about 2 XSs and want one of the servers to be
'downstream' of the other? That'll need a bit of routing glue
methinks. Tell us more about the network topology you're setting up...


 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
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