PaperTrailApp is a handy log aggregation/search web application that offers a nice free package. You can configure your JUNOS devices to send their syslogs to PaperTrailApp as simply as doing the following:

  • Create a PaperTrail account at
  • Go to and retrieve the URL and port after "Your systems will log to" (e.g.
  • Configure a new syslog host on your JUNOS device:
    • set system syslog host any any port 12345

Note: If you must follow port restrictions (e.g. you have firewalls that only keep port 514 open for syslog), you can instead follow this: