DHCP issues in v3
aland at deployingradius.com
Fri Oct 11 14:31:50 CEST 2013
Matthew Newton wrote:
> Finally got around to trying DHCP this evening. A bit late to hit v3 I'm
> afraid, but I've unfortunately been too busy to spend much time looking at
> FreeRADIUS recently. I figured I'd get it to act as a simple DHCP server for my
> network, and try and put together a simple HOWTO. Or at least, I would have
> done if I'd got that far ;-)
Well, debugging is good, at least.
> Next - with as above, and also "interface = br0". This time, no warning about
> unicast only, but it still didn't see the broadcast packets. This doesn't
> surprise me entirely, as I've specifically set an IP address, but there is no
IIRC, it's an issue with bridges. As always, the server is at the
mercy of the OS. It asks the OS for broadcast packets. If the OS
doesn't send them...
> Next I have "ipaddr = *" and again commented out the interface option (not
> expecting it necessarily to work - the warning appears again). This works fine
> until FR tries to send a reply, and we get a segfault.
Arran just committed a fix for that.
> I'm sure there shouldn't be negative IDs there...?
That's the DHCP XID field. It's a full 32-bit field. It should be
printed as %u, not %d. I thought I had fixed all of that...
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