bug in dhclient / dhclient.conf / dhcp-options parser?

Darren Pilgrim list_freebsd at bluerosetech.com
Wed Dec 18 09:56:19 UTC 2013

On 11/19/2013 6:09 AM, CeDeROM wrote:
> Hello :-)
> I need to send additional options with dhcp request, so I add "send"
> option for an interface in /etc/dhclient.conf, however options are
> non-standard and they use option value below 100 and they are not sent
> in dhcp request. I have noticed that other options with names known to
> dhcp-options and decimal numbers above 100 are sent correctly, so
> maybe there is an error in the options number parser, or I do
> something wrong?
> Here is my example /etc/dhclient.conf configuation:
> interface "em0"{
>   send option-060 "vendor"; <-- does not go out in dhcp request
>   send option-077 "user"; <-- does not go out in dhcp request
>   send option-123 "blah123"; <-- goes out in dhcp request
>   send root-path "blahroot"; <-- goes out in dhcp request
> }
> Please advise, quick solution appreciated :-)

The "option-n" options only work for unknown codes.  Option codes 60 and 
77 are known as dhcp-class-identifier and user-class, respectively. 
Both are formatted as ASCII text.

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