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MaxAttach NAS 6000 Administration Guide
The use of an LMHOSTS file is optional. If an LMHOSTS file is not used, however, you
cannot use friendly text names. Instead, you must use IP addresses. This can be a
disadvantage because Web sites on the Internet usually use the DNS. If you register a
domain name for your Web site, users can contact your Web site by typing its domain
name in a browser.
The LMHOSTS file is read when WINS or broadcast name resolution fails and resolved
entries are stored in a system cache for later access. When the computer uses the replication
service and does not use WINS, LMHOSTS file entries are required on import and export
servers for any computers on different subnetworks participating in the replication.
You can use Microsoft Notepad or any text editor to edit the sample LMHOSTS.sam file
that is automatically installed in the Windows directory. The following rules apply for
entries in the LMHOSTS file:
Each entry should be placed on a separate line.
n
The IP address should begin in the first column, followed by the corresponding
n
computer name. Entries in the LMHOSTS file are case-insensitive.
The address and the computer name should be separated by at least one space or tab.
n
The number (#) sign is typically used to mark the start of a comment. However, this
n
character can also be used to designate special keywords, as described in this section.
The keywords listed in the following table can be used in the LMHOSTS file. Notice,
n
however, that LAN Manager 2.x treats these keywords as comments.
Table #1 - LMHOSTS Keywords and Definition
LMHOST
Keywords
#PRE
#DOM:domain
#INCLUDE filename
#BEGIN_ALTERNATE
Chapter #5 - O/S 2.0 - Network Configuration
11/07/01 -- Revision 2.0.03A
Causes an entry to be preloaded into the name cache. This keyword is added after an entry. The
#PRE keywords in the LMHOSTS file are looked up and cached prior to WINS lookup. #PRE must
be appended for entries that also appear in #INCLUDE statements; otherwise, the entry in
#INCLUDE is ignored.
Associates an entry with the domain specified by domain. This keyword is added after an entry,
and it affects how the browser and logon services behave in routed TCP/IP environments. To
preload a #DOM entry, you must also add the #PRE keyword to the line.
Forces the system to seek the specified filename and parse it as if it were local. Specifying a
universal naming convention (UNC) filename allows you to use a centralized LMHOSTS file on a
server. You must map the server before its entry in the #INCLUDE section, and also append #PRE
to ensure that it is preloaded (otherwise the #INCLUDE will be ignored).
Groups multiple #INCLUDE statements. Any single successful #INCLUDE statement causes the
group to succeed.
Chapter #5 - O/S 2.0 - Network Configuration
Keyword Definitions
142
NetBIOS LMHOSTS File
000001628
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