Novell OPEN ENTERPRISE SERVER 2 SP2 Installation Manual page 88

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88 OES 2 SP2: Installation Guide
Network Time Protocol (NTP) Server: Specify the IP address or DNS hostname of an
NTP server.
For the first server in a tree, we recommend specifying a reliable external time source.
For servers joining a tree, specify the same external NTP time source that the tree is
using, or specify the IP address of a configured time source in the tree. A time source
in the tree should be running time services for 15 minutes or more before connecting to
it, or the time synchronization request for the installation fails.
If the time source server is NetWare 5.0 or earlier, you must specify an alternate NTP
time source, or the time synchronization request fails. For more information, see
Services" in the OES 2 SP2: Planning and Implementation
Use Local Clock: Alternatively, you can select Use Local Clock to designate the server's
hardware clock as the time source for your eDirectory tree.
This is not recommended if there is a reliable external time source available.
(SLP Options)
Do Not Configure SLP: This option is good for eDirectory trees with three or fewer
eDirectory servers.
Without SLP, users can't see a tree list, but they should still be able to attach to a tree
by name. Users can configure the Novell Client to use DNS, or they can configure the
local host file ( %SystemDrive%\windows\system32\drivers\etc\hosts
WinXP) to resolve tree and server names. Users can also specify preferred tree and
context information in the DHCP Settings page of the Novell Client.
IMPORTANT: If the tree where you are installing this server has or will have more than
three servers, you must configure SLP.
Use Multicast to Access SLP: This option allows the server to request SLP
information by using multicast packets. Use this in environments that have not
established SLP DAs (Directory Agents).
IMPORTANT: If you select this option, you must disable the firewall for it to work
correctly. Multicast creates a significant amount of network traffic and can reduce
network throughput.
Configure as Directory Agent: This option configures this server as a Directory
Agent (DA). This is useful if you plan to have more than three servers in the tree and
want to set up SLP during the installation.
Configure SLP to use an existing Directory Agent: This option configures SLP to
use an existing Directory Agent (DA) in your network. Use this in environments that
have established SLP DAs. When you select this option, you configure the servers to
use by adding or removing them from the SLP Directory Agent list.
Service Location Protocols and Scope: This option configures the scopes that a user
agent (UA) or service agent (SA) is allowed when making requests or when registering
services, or specifies the scopes a directory agent (DA) must support. The default value is
DEFAULT. Use commas to separate each scope. For example, net.slp.useScopes =
myScope1,myScope2,myScope3.
This information is required when selecting the Use Multicast to Access SLP or Configure
SLP to Use an Existing Directory Agent option is selected.
Default: Default
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