How to match part of agent's vendor specific suboption

[Eduardo Ferreira Juca de Castro]

Thanks Scott,

But I need to match a vendor specific suboption but I don't know how to
access then.

[]
Eduardo F. Jucá de Castro
CPqD - Gerência de Serviços e Aplicações Multimídia
Tel.: +55 19 3705-7238 / Fax: +55 19 3705-5868
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jucah at cpqd.com.br
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2011/10/9 <scott_stone at trendmicro.com>

> I'm using a similar statement to match PXE clients (to differentiate from
> when installed systems boot - the PXE boot rom sends a specific client
> option, and we had out different settings to these clients... works on dhcp
> 3.0.x and 4.2.x (tested) - seems similar to what you want, it might help..
> here's the config block (actual IP replaced with 1.2.3.4 in this example):
> ****
>
> ** **
>
> class "PXE" {****
>
>         match if substring(option vendor-class-identifier, 0, 9) =
> "PXEClient";****
>
>         filename "pxelinux.0";****
>
>         option vendor-class-identifier "PXEClient";****
>
>         vendor-option-space PXE;****
>
>         option PXE.mtftp-ip 0.0.0.0;****
>
>         next-server 1.2.3.4;****
>
> }****
>
> ** **
>
> sounds like you might need the 'option' keyword before 'agent' to match
> what you're looking for?****
>
> ** **
>
> ====================****
>
> Scott Stone <scott_stone at trendmicro.com>****
>
> Manager, DCS-RD****
>
> Trend Micro, Inc. http://www.trendmicro.com****
>
> ** **
>
> *From:* dhcp-users-bounces+scott_stone=trendmicro.com at lists.isc.org[mailto:
> dhcp-users-bounces+scott_stone=trendmicro.com at lists.isc.org] *On Behalf Of
> *Eduardo Ferreira Juca de Castro
> *Sent:* Sunday, October 09, 2011 12:07 PM
> *To:* dhcp-users at lists.isc.org
> *Subject:* How to match part of agent's vendor specific suboption****
>
> ** **
>
> Hi,****
>
> ** **
>
> I need to assign addresses based on a ssid information carried on agent's
> (option 82) vendor specific suboption.****
>
> Do do so I defined classes this way:****
>
> ** **
>
> class "myClass" {****
>
>    match if substring(agent,60,5) = "SSID1";****
>
> }****
>
> and used it in pool statements but nothing happens.****
>
> ** **
>
> I also tried to log things to see waht are beeing decoded but again nothing
> happens.****
>
> ** **
>
> if option dhcp-message-type = 1 {****
>
>     log(info,concat("option82-suboption9:
> ",binary-to-ascii(16,8,"",substring(agent,60,5))));****
>
> }****
>
> ** **
>
> I'm using ISC DHCP 4.2.1.****
>
> Anyone can help me with this?****
>
> ** **
>
> TIA****
>
> ** **
>
> Regards,****
>
>
> ****
>
> Eduardo F. J. de Castro****
>
> CPqD - Telecommunications and IT R&D Center****
>
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