Option 82.

Richard Laager rlaager at wiktel.com
Fri Jun 18 21:34:21 UTC 2010

On Fri, 2010-06-18 at 13:49 -0700, Keith wrote:
> I want to turn on option 82 on some dslams. I just want to see what will
> come through (I have a pretty good idea), but if I don't configure dhcp to
> acutally use option 82 info, will I still be able to see the info that
> comes through in the dhcp log file?

Start by adding something like this to your dhcpd.conf:
log(info, concat(pick-first-value(binary-to-ascii(10, 8, ".", leased-address), ""), binary-to-ascii(16, 8, ":", option agent.remote-id)));

From there, you can get an idea what the data looks like for you. The
actual information in option 82 is vendor-specific.

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