Freeradius Proxy - Framed IP Address Accounting attribute

Byron Jeffery byronjeffery at cem.org.au
Thu Jul 20 08:41:43 CEST 2017


Hi

I have managed to resolve the issue with the client not receiving the DHCP
Offer as I may have set something in the config somewhere that was causing
the freeradius dhcp to return an offer to the gateway and not as a
broadcast.  I decided to start again and that resolved that issue.

Following from that, I would like to setup DHCP for multiple subnets/vlans,
however, is it recommended to setup a separate dhcp virtual server per vlan
or do a switch statement in the DHCP conf file switching to the relevant
ippool per vlan?


   - Kind Regards

   - Byron Jeffery
   - ICT Helpdesk Coordinator

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On Wed, Jul 12, 2017 at 10:04 PM, Alan DeKok <aland at deployingradius.com>
wrote:

> On Jul 12, 2017, at 2:21 AM, Byron Jeffery <byronjeffery at cem.org.au>
> wrote:
> > I have successfully managed to get the Freeradius DHCP server with a
> single
> > subnet linked to MySQL radius database.
>
>   That's good.
>
> > However, I have been stumped by an issue whereby a wireshark capture
> shows
> > the client sending out a DHCP Discover, the Freeradius DHCP server
> replying
> > with a DHCP-Offer with the correct IP address, but am not seeing the
> Offer
> > in the wireshark capture
>
>   What wireshark capture?  Where?
>
>   There isn't much magic here.  If FreeRADIUS sends a packet, it relies on
> the OS to send the packet.  If the packet disappears...  blame the OS /
> routing, not FreeRADIUS.
>
> > and hence the client not receiving the IP address
> > allocation.
> > My freeradius version is 3.0.12.
> > I am unsure of where else to look and was wondering if you may have any
> > further suggestions.
>
>   Track the packet out the interface that FreeRADIUS is using.  Then,
> track the packet hop by hop across the network.
>
>   Note that wireshark on the same machine MIGHT NOT see the outgoing
> packet.  It all depends on how the local network stack works.
>
>   Alan DeKok.
>
>
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