This? http://docs.splunk.com/Documentation/AddOns/released/Juniper/Setup
o enable the Splunk Add-on for Juniper to collect data from your Juniper devices, you need to configure the Juniper devices to produce syslog output with an output format of default or splunk and push it to the data collection node of your Splunk platform installation, usually a universal forwarder.
For syslog configuration instructions, consult the Juniper Networks documentation:
Juniper OS (juniper:junos:idp and juniper:junos:firewall source types): http://www.juniper.net/techpubs/en_US/junos15.1/topics/example/syslog-messages-configuring-qfx-series.html
Juniper Netscreen: http://kb.juniper.net/InfoCenter/index?page=content&id=KB4759
Juniper SSLVPN: Please search the Juniper Networks documentation.
Juniper NSM (juniper:nsm and juniper:nsm:idp source types): http://kb.juniper.net/InfoCenter/index?page=content&id=KB11810
Juniper SRX: http://kb.juniper.net/InfoCenter/index?page=content&id=KB16502
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