addding "CID" and leased address to logging
callirazo at hotmail.com
Fri Aug 31 16:06:00 UTC 2012
Many thanks Glenn.
I have been trying to play around, but can't seem to get the CID value returned by the NAS back to DHCP server.
P, Request from 68:ef:bd:4a:fa:18, length: 283, xid:0x349c, flags: [none] (0x0000)
Client IP: xx.xx.xx.xx
Gateway IP: xx.xx.xx.xx
Client Ethernet Address: xx.xx.xx.xx.xx.xx
CID:"bob at foobar"
How can I extract this CID information in the dhcpd log file using the concat method?
> Date: Fri, 24 Aug 2012 21:15:20 +1000
> Subject: RE: addding "CID" and leased address to logging
> From: glenn.satchell at uniq.com.au
> To: dhcp-users at lists.isc.org
> man dhcp-eval:
> log (priority, data-expr)
> Logging statements may be used to send information to the
> standard logging channels. A logging statement includes
> an optional priority (fatal, error, info, or debug), and a
> data expression.
> Logging statements take only a single data expression
> argument, so if you want to output multiple data values,
> you will need to use the concat operator to concatenate
> You need to ensure that anything concatenated is not a null string,
> otherwise the whole concatenated string is null.
> The logging destination is done through the log-facility command (see
> dhcpd.conf(5) and subsequently syslog.conf.
> On Fri, August 24, 2012 6:35 pm, raz khan wrote:
> > Many thanks Niall.I will try the suggested method. However I would like to
> > find out if there is any documentation about using "info concat(.." in the
> > dhcpd.conf file? I have checked various resources, but nothing mentioned.
> > Can anyone point me to the right source?
> > ThanksRK
> >> Subject: Re: addding "CID" and leased address to logging
> >> From: Niall.oReilly at ucd.ie
> >> Date: Wed, 22 Aug 2012 17:41:49 +0100
> >> To: dhcp-users at lists.isc.org
> >> On 22 Aug 2012, at 17:31, raz khan wrote:
> >> > This information is passed on to the lease file but not to the default
> >> log file.
> >> The kind of thing you seem to need is discussed in the archives. Try
> >> https://lists.isc.org/pipermail/dhcp-users/2008-November/007847.html
> >> Niall O'Reilly
> >> _______________________________________________
> >> dhcp-users mailing list
> >> dhcp-users at lists.isc.org
> >> https://lists.isc.org/mailman/listinfo/dhcp-users
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