Configuring Optional Features for Forwarded Messages
To configure additional optional features when specifying how the T640 routing nodes
forward messages to the TX Matrix platform, include statements at the [edit system
syslog host scc-master] hierarchy level. To include priority information (facility and severity
level) in each forwarded message, include the explicit-priority statement. To insert a text
string in each forwarded message, include the log-prefix statement. To use regular
expression matching to specify more exactly which messages from a facility are forwarded,
include the match statement.
[edit system syslog host scc-master]
facility severity;
explicit-priority;
log-prefix string;
match "regular-expression";
}
NOTE: You can also include the facility-override statement at the [edit system syslog
host scc-master] hierarchy level, but we do not recommend doing so. It is not necessary
to use alternative facilities for messages forwarded to the TX Matrix platform, because
it runs the Junos system logging utility and can interpret the Junos-specific facilities.
For more information about alternative facilities, see “Changing the Alternative Facility
Name for Remote Messages” on page 13.
1. Including Priority Information in Forwarded Messages on page 31
2. Adding a Text String to Forwarded Messages on page 32
3. Using Regular Expressions to Refine the Set of Forwarded Messages on page 32
Including Priority Information in Forwarded Messages
When you include the explicit-priority statement at the [edit system syslog host
scc-master] hierarchy level, messages forwarded to the TX Matrix platform include priority
information. For the information to appear in a log file on the TX Matrix platform, you
must also include the explicit-priority statement at the [edit system syslog file filename]
hierarchy level for the file on the TX Matrix platform. As a consequence, the log file with
the same name on each platform in the routing matrix also includes priority information
for locally generated messages.
To include priority information in messages directed to a remote machine from all
platforms in the routing matrix, also include the explicit-priority statement at the [edit
system syslog host hostname] hierarchy level for the remote machine. For more
information, see “Directing Messages to a Remote Destination from the Routing Matrix”
on page 32.
In the following example, the /var/log/messages file on all platforms includes priority
information for messages with severity notice and higher from all facilities. The log on
the TX Matrix platform also includes messages with those characteristics forwarded
from the T640 routing nodes.
31Copyright © 2010, Juniper Networks, Inc.
Chapter 1: Configuring System Log Messages
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