IBM SC30-3681-08 Saw User Manual


 
v Use the
IBM Nways Event Logging System Messages Guide
to determine which
messages are not normal.
When initially viewing ELS from the MONITR process, you will see a considerable
amount of information. Because the router cannot buffer and display every packet
under moderate to heavy loads the buffers are flushed. When this occurs the
following message is displayed:
xx messages flushed
The router does not save these messages. When this message appears, tailor the
ELS output to display only that information that is important to the current task you
are monitoring, or use the advanced ELS commands to establish a message buffer.
See “Using ELS Message Buffering” on page 163.
Managing ELS Message Rotation
It is also important to note that the ELS messages continually rotate through the
router’s buffers. To stop and restart the displaying of ELS messages, use the
following key combinations:
Ctrl-S to pause scrolling
Ctrl-Q to resume scrolling
Ctrl-P to go back to the last process
You may also want to capture the ELS output to a file. You can do this by starting a
script file or log file from your location when Telneting to a router. You can also do
this by attaching a PC to the router’s console port and starting a log file from within
the terminal emulation package. This information is needed to help Customer
Service diagnose a problem.
Capturing ELS Output Using a Telnet Connection on a UNIX Host
Use a Telnet connection on an AIX or UNIX host to capture the ELS messages on
your screen to a file on the host. Before beginning, set up ELS for the messages
you want to capture using the ELS console commands in “Chapter 13. Configuring
and Monitoring the Event Logging System (ELS)” on page 167.
To capture the ELS output to a file on an AIX or UNIX host, follow these steps:
1. From the host, enter telnet
router_ip_addr
| tee
local_file_name
router_ip_addr
is the IP address of the router
local_file_name
is the name of the file on the host where you want the ELS
messages to be saved.
The tee command displays the ELS messages on your screen and, at the
same time, copies them to the local file.
2. From the OPCON prompt (*), enter t2. This accesses the MONITR process,
which is the process that displays ELS messages on your screen. Depending
on which ELS messages you configured, you should see ELS messages
appearing on the screen.
As long as you are in the MONITR process, all ELS messages will be written to
the local file. When you exit the MONITR process (by entering Ctrl-P)or
terminate the Telnet session, the logging of messages to the local file will stop.
Using ELS
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MRS V3.2 Software User’s Guide
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