Logging circuit-id

[perl-list]

I believe those log() features (as well as oncommit()) do not work in DHCPv6 until 4.3.2 

> From: "Sean McMurray" <sean at mvtel.com>
> To: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
> Sent: Wednesday, March 18, 2015 10:03:30 AM
> Subject: Re: Logging circuit-id

> version 4.1.1
> yes. it is DHCPv6, by default.

> On 03/18/2015 06:21 AM, perl-list wrote:

>> What version of ISC DHCP, and is this DHCPv6 that you are trying to log?

>>> From: "Sean McMurray" <sean at mvtel.com>
>>> To: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
>>> Sent: Tuesday, March 17, 2015 9:22:30 PM
>>> Subject: Re: Logging circuit-id

>>> I can tell it to log(error, "Hello") and it won't log.

>>> On 03/17/2015 06:15 PM, perl-list wrote:

>>>> Here is an example of how I have done it:

>>>> if exists agent.circuit-id {

>>>> log ( error,

>>>> concat( "agent.circuit-id,", binary-to-ascii (10, 8, ".", leased-address),",",

>>>> "circuit-id,",option agent.circuit-id,",",

>>>> "time,",binary-to-ascii(10,32,"",encode-int (lease-time,32)),",",

>>>> "hardware,",binary-to-ascii(16,8,":",substring(hardware,1,7))

>>>> )

>>>> );

>>>> }

>>>> If that doesn't work then the circuit-id may not be there (if no line appears at
>>>> all in the logs), or if it only logs a partial line then the circuit-id is
>>>> likely binary instead of ASCII. I'm not sure how to log if it is binary - some
>>>> use of binary-to-ascii will be necessary.

>>>>> From: "Sean McMurray" <sean at mvtel.com>
>>>>> To: dhcp-users at lists.isc.org
>>>>> Sent: Tuesday, March 17, 2015 5:51:16 PM
>>>>> Subject: Logging circuit-id

>>>>> I would like my dhcpd logs to include circuit-id.
>>>>> I have tried to use log() directives in my conf file, but nothing I have
>>>>> tried works.

>>>>> Here is an example of a configuration I have included in a subnet:

>>>>> log(info, concat(
>>>>> " Mac: ",binary-to-ascii(16, 8, ":", substring(hardware,1, 6))
>>>>> ," IP: ",binary-to-ascii (10, 8, ".", leased-address)
>>>>> ,"Circuit: ",option agent.circuit-id
>>>>> ));

>>>>> Standard logging is working fine to record DHCPDISCOVER, DHCPOFFER, etc.
>>>>> I just can't get custom entries to show up in the log.

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