Retaining information between DHCP requests

[CLOSE Dave]

Bill Shirley wrote:

> You should run tcpdump to capture the traffic to see if there is an
> option request that you can key on besides/in addition to
> vendor-class-identifier:

> tcpdump -vv -e -n -i lan10 'portrange 67-68' | tee 2014-09-20.boot.output

Thanks. I've done that and don't see anything useful.
-- 
Dave Close, Thales Avionics, Irvine California USA.
cell +1 949 394 2124, dave.close at us.thalesgroup.com

"If a cluttered desk is a sign of a cluttered mind,
of what then is an empty desk?" --Albert Einstein