Nways Manager for AIX-LAN Network Manager/I.H.M.P. User's Guide
After installing the LNM OS/2 agent application, you can configure the
OS/2 agent (cmol) capability for the network you are managing.
To configure the OS/2 agent (cmol) capability to manage your LLC token-ring
resources, use SMIT to define values for:
- LAN Network Manager general parameters
- OS/2 agent parameters
This chapter describes how to carry out these tasks.
The configuration parameters that you define in SMIT are saved in files
with an extension of .conf in the
/usr/CML/conf/lnmlnmemon directory. These
files are read each time LAN Network Manager is started.
If you change any of these parameters, follow these steps to activate your
configuration changes:
- Stop the background daemons by entering /usr/OV/bin/ovstop from
an AIX command line.
- Restart the background daemons by entering
/usr/OV/bin/ovstart.
If you use SMIT to change other configuration parameters, stop and
restart the affected LAN Network Manager daemon to cause the updated
parameters to take effect by entering:
cmlstop <daemon_short_name>
cmlstart <daemon_short_name>
For more information on the daemons used by LAN Network Manager
applications, see the online book Coupling and
Autodiscovery.
To configure or change the LAN Network Manager general parameters:
- Ensure you are logged on with root privileges.
- If SMIT is not running, enter smit cml from an AIX operating
system shell, or select Administer -> Campus Manager SMIT from the
NetView for AIX menu bar.
The SMIT menu is displayed.
- Select Configure.
- Select IBM LAN general parameters.
The dialog box for configuring LAN general parameters is displayed.
- Enter new values in any of the following fields. To display help
information about a parameter, click on ? and point to the
field.
- Age-out time
- Number of days that an inactive resource remains in the database before it
is deleted.
- Initial time-out
- Number of seconds that a LAN Network Manager application waits before
updating its topology displays.
- IBM LAN Root label
- Window title displayed in the title bar of the LAN Network submap.
- Press Enter or select OK to activate your changes.
- Select Exit SMIT from the Exit pull-down menu to leave the SMIT
program.
After you have installed the LAN Network Manager component, configure OS/2
agents in your network to communicate with Nways Manager-LAN. Each OS/2
agent program is managed by the OS/2 agent capability and has a configuration
file that you can modify using SMIT. With SMIT, you configure the OS/2
agent program by defining the IP address of each agent in your network and
specify how you want it to be discovered.
You should also ensure that you have selected the NetView for AIX
connection field on the NetView Parameters window in the OS/2 agent
program. Refer to the OS/2 agent documentation for more
information.
To define or reconfigure an OS/2 agent using SMIT, follow these
steps:
- Ensure you are logged on with root privileges.
- If SMIT is not running, enter smit cml from an AIX operating
system shell or select Administer -> Campus Manager SMIT from the
NetView for AIX menu bar.
The SMIT menu is displayed.
- Select Configure.
- Select Configure OS/2 agent (cmol)
capability.
- Select Add/Change IBM LNM OS/2 agent.
- Enter the IP address of the LNM OS/2 agent and press Enter or select
OK. A complete Add/Change IBM LNM OS/2 Agent menu is
displayed.
- Enter new values for any of the following LNM OS/2 agent
parameters. To display help information about a parameter, click on
? and point to the field.
- IP address
- Internet Protocol (IP) address of the agent.
- Port number
- Number of the port through which the agent communicates.
Ensure that the value you enter in the Port number field matches
the value defined for the port number in the CONFIG.SYS file on the
OS/2 agent workstation.
This value must not be used by any other application operating on the OS/2
agent workstation. If you do not enter a value, the default value of
7605 is used. Record each unique port number in the file
/etc/services as LNM_OS2_AGENT nnnn/tcp
where nnnn is the port number to be recorded.
- Automatic agent discovery
- If you select Yes, the agent is discovered each time Nways
Manager-LAN is started. This is known as persistent
discovery.
If you select No, the agent is not automatically
discovered. You can, however, manually configure the agent for
temporary discovery. For information about the difference
between persistent and temporary discovery, see the section "Methods of
Discovery" in the online book Coupling and Autodiscovery.
- Resync interval
- Time period (in days, hours, minutes) used by Nways Manager-LAN to
rediscover the agent, resynchronize the segment, and update LAN submaps with
new or changed information. Each resynchronziation refreshes LAN
submaps with the latest changes made to the network topology (for example,
moving, adding, or removing LLC token-ring devices).
- Response time-out
- Time period (in days, hours, minutes) used by Nways Manager-LAN to wait
for a response from the agent before issuing an error message.
- Daily resync
- Daily time (hour and minute) used by Nways Manager-LAN to rediscover the
agent, resynchronize the segment, and update LAN submaps with new or changed
information about resources managed by the agent.
- Press Enter or select OK to activate your
changes.
- Repeat steps 4 through 8 for each OS/2 agent in your network.
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