Specifications

Event Management System/Logging

ExtremeWare XOS 10.1 Concepts Guide 101

• display log messages in real-time, and filter the messages that are displayed, both on the console and

from telnet sessions

• display stored log messages from the memory buffer or NVRAM

• upload event logs stored in memory buffer or NVRAM to a TFTP server

• display counts of event occurrences, even those not included in filter

• display debug information, using a consistent configuration method

Sending Event Messages to Log Targets

There are five types of targets that can receive log messages:

• console display

• current session (telnet or console display)

• memory buffer (can contain 200-20,000 messages)

• NVRAM (messages remain after reboot)

• syslog host

The first four types of targets exist by default, but before enabling any syslog host, the host’s

information needs to be added to the switch using the

configure syslog command. Extreme

Networks EPICenter can be a syslog target.

By default, the memory buffer and NVRAM targets are already enabled and receive messages. To start

sending messages to the targets, use the following command:

ipaddress] [local0 ... local7]]]

Once enabled, the target receives the messages it is configured for. See the section “Target

Configuration” for information on viewing the current configuration of a target. The memory buffer can

only contain the configured number of messages, so the oldest message is lost when a new message

arrives, and the buffer is full.

Use the following command to stop sending messages to the target:

<ipaddress> ] [local0 ... local7]]]

NOTE

Refer to your UNIX documentation for more information about the syslog host facility.

Filtering Events Sent to Targets

Not all event messages are sent to every enabled target. Each target receives only the messages that it is

configured for.

Target Configuration

To specify the messages to send to an enabled target, you will set a message severity level, a filter name,

and a match expression. These items determine which messages are sent to the target. You can also

configure the format of the messages in the targets. For example, the console display target is