Wrong gateway when using class in a subnet

[Jason Gerfen]

You can however implement allow/deny statements within your subnet
declaration specifying the class you wish to allow/deny

On Fri, Jun 1, 2012 at 5:44 AM, Randall C Grimshaw <rgrimsha at syr.edu> wrote:

>  not a bug, but perhaps a misunderstanding of the parser.
>
> you must keep the class definitions out of the subnets definitions.
>
> for the parser there is no relationship so you have effectively created a
> duplication
>
> which results in a collision.
>
>
> Randall Grimshaw rgrimsha at syr.edu
>
>  ------------------------------
> *From:* dhcp-users-bounces+rgrimsha=syr.edu at lists.isc.org[dhcp-users-bounces+rgrimsha=
> syr.edu at lists.isc.org] on behalf of Nuno Marques [nmm at ul.pt]
> *Sent:* Friday, June 01, 2012 7:28 AM
> *To:* Users of ISC DHCP
> *Subject:* Wrong gateway when using class in a subnet
>
>  Hi all,
>
> I'm using dhcp-4.1.1-25.P1.el6_2.1.i686 on RHEL6, and have somthing like
> this:
>
> subnet 10.99.112.0 netmask 255.255.255.0{
>                 option routers 10.99.112.1;
>
>         class "Cisco-AP-c1140" {
>         match if option vendor-class-identifier = "Cisco AP c1140";
>         option vendor-class-identifier "Cisco AP c1140";
>         vendor-option-space Cisco_LWAPP_AP;
>         option Cisco_LWAPP_AP.server-address 10.99.4.221; }
>
> ....
> }
>
> subnet 10.99.113.0 netmask 255.255.255.0{
>                 option routers 10.99.113.1;
>
>         class "Cisco-AP-c1140" {
>         match if option vendor-class-identifier = "Cisco AP c1140";
>         option vendor-class-identifier "Cisco AP c1140";
>         vendor-option-space Cisco_LWAPP_AP;
>         option Cisco_LWAPP_AP.server-address 10.99.4.221; }
>
> ....
> }
>
> The problem is, an AP on the second subnet will receive the gateway from
> the first (10.99.112.1).
> My guess is DHCP is giving the first 'option router' that matches the
> class.
>
> If I put the class declaration on the top of the configuration and remove
> it from every subnet it works as expected, but I got several subnets that
> shouldn't have this configuration, so I want to keep it out of the general
> configuration.
>
> Is this a bug?
>
> Thanks,
>
> --
> *Nuno Miguel Lopes Marques*
>  **Núcleo de Administração de Sistemas -  Área de Sistemas e Comunicações- Serviços Tecnológicos
>
>  *E.* nmm at ul.pt
>  *T.* +351 21 044 34 23 - *Ext.* 30243
>  *M.* 924 138 406
>  *Morada*
>  Alameda da Universidade, Cidade Universitária
>  1649-004 Lisboa
>
> *www.sp.ul.pt*
>
> * *
>
>
>
>
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-- 
Jason Gerfen
jason.gerfen at gmail.com

http://www.github.com/jas-
http://phpdhcpadmin.sourceforge.net
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