Specifying an Alternative Source Address for System Log Messages
To specify the source address to use when directing system log messages to a remote machine, include the
source-addressstatement at the[edit system syslog]hierarchy level:[edit system syslog]source-addresssource-address;
source-addressis a valid IP address configured on one of the routing platform interfaces. The address is used only for messages directed to the remote machines specified in allhosthostnamestatements at the[edit system syslog]hierarchy level, not for messages directed to the other Routing Engine.