Technical Documentation

host

Syntax

host (hostname | other-routing-engine) {facility severity;explicit-priority;facility-override facility;log-prefix string;match "regular-expression";source-address source-address;structured-data {brief;}}

QFX Series

host (hostname {facility severity;explicit-priority;facility-override facility;log-prefix string;match "regular-expression";port;source-address source-address;}

TX Matrix Router and EX Series Switches

host (hostname | other-routing-engine | scc-master) {facility severity;explicit-priority;facility-override facility;log-prefix string;match "regular-expression";port;source-address source-address;}

TX Matrix Plus Router

host (hostname | other-routing-engine | sfc0-master) {facility severity;explicit-priority;facility-override facility;log-prefix string;match "regular-expression";port;source-address source-address;}

Hierarchy Level

[edit logical-systems logical-system-name system syslog],[edit system syslog]

Release Information

Statement introduced before Junos OS Release 7.4.

Statement introduced in Junos OS Release 9.0 for EX Series switches.

Statement introduced in Junos OS Release 11.1 for the QFX Series.

Description

Configure the logging of system messages to a remote destination.

Options

facility—Class of messages to log. To specify multiple classes, include multiple facility severity statements. For a list of the facilities, see Junos OS System Logging Facilities and Message Severity Levels.

hostname—IPv4 address, IPv6 address, or fully qualified hostname of the remote machine to which to direct messages. To direct messages to multiple remote machines, include a host statement for each one.

other-routing-engine—Direct messages to the other Routing Engine on a router or switch with two Routing Engines installed and operational.

Note: The other-routing-engine option is not applicable to the QFX Series.

port—Port number of the remote syslog server that can be modified.

scc-master—(TX Matrix routers only) On a T640 router that is part of a routing matrix, direct messages to the TX Matrix router.

severity—Severity of the messages that belong to the facility specified by the paired facility name. Messages with severities of the specified level and higher are logged. For a list of the severities, see Junos OS System Logging Facilities and Message Severity Levels.

sfc0-master—(TX Matrix Plus routers only) On a T1600 router that is part of a routing matrix, direct messages to the TX Matrix Plus router.

The remaining statements are explained separately.

Required Privilege Level

system—To view this statement in the configuration.

system-control—To add this statement to the configuration.

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