See the Distributed Systems Guide of the W2K Server Resource Kit. The topic in Chapter 3 titled "Mapping IP Addresses to Site Names" (page 163 in my book) says:
"NetLogon looks up the client UP address in its subnet-to-site mapping table by finding the subnet object that _most closely matches_ the client IP address ..." FWIW the mapping table is an in-memory structure and searching it is likely to a very efficient operation. -gil Gil Kirkpatrick CTO, NetPro -----Original Message----- From: Hagberg Lars [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 27, 2003 3:54 PM To: [EMAIL PROTECTED] Subject: RE: [ActiveDir] overlapping IP space in AD sites? Hi It should work; based on my experience AD selects the smallest subnet that covers the IP address IP addresses 10.10.0.1 - 10.10.255.254 is site 1 except for 10.10.88.1 - 126 that is in site 2 in your example Have anybody seen any documentation about this? //Best Regards Lars -----Original Message----- From: Thommes, Michael M. [mailto:[EMAIL PROTECTED] Sent: den 27 augusti 2003 17:10 To: Active Directory Mailing List (E-mail) Subject: [ActiveDir] overlapping IP space in AD sites? Hi, We have a pretty complex IP structure with various types of access. As we develop AD sites for low bandwidth connected remote offices, I was wondering how AD handles site subnet definitions that might overlap one another. For example: 10.10.0.0/16 = Site 1 10.10.88.0/25 = Site 2 The AD Sites and Services mmc allows (doesn't complain) about overlapping subnets. As always, any comments or experiences in this area are appreciated! Mike Thommes Argonne National Laboratory List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/
