Thanks for the quick reply.
You don't mention whether you also do an SLP registration for
LPR and AppleTalk queues?
The population of multiple SLP registrations for the same printer
will cause multiple LDAP Printer objects for the same printer
automatically by the behavior of SLPv2 DAs that shadow SLP
registrations to the customer's enterprise directory via LDAP
(which also causes enterprise distribution and replication of
While this behavior is not required of SLPv2 DAs, it is considered
(at least by some) to be the best practice default DA behavior (i.e.,
find an LDAP server via DNS or DHCP or SLP during bootup and then
automatically begin shadowing service registrations into LDAP).
- Ira McDonald
From: Michael Sweet [mailto:firstname.lastname@example.org]
Sent: Monday, July 16, 2001 9:13 AM
To: McDonald, Ira; Srvlocemail@example.com
Subject: Re: IPP> FW: [Srvloc-discuss] [Multiple registrations for a
single print device]
"McDonald, Ira" wrote:
> Hi folks,
> This thread has been going for several weeks on the SLP mailing
> list. Could IPP implementors who plan to support SLP (at some
> point) please participate (here on the IPP list and _then_ on
> the SLP list)?
> This is the same phantom issue that wasted three months in late
> 1999 on the SLP and IPP lists. The PWG concensus at that time
> was _one_ registration for _one_ print device.
FWIW, the current SLP integration with CUPS (hopefully to be released
in the next patch update, e.g. 1.1.10) provides one registration for
each local print queue on the system, e.g.:
We don't try to enumerate all of the possible addresses (e.g. from
multiple interfaces), although that might be added in a future
-- ______________________________________________________________________ Michael Sweet, Easy Software Products firstname.lastname@example.org Printing Software for UNIX http://www.easysw.com
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