Cisco Suite for Splunk is an App, which gives overview about most of the Cisco Log sources available in Splunk.
Install this App on your Search Head. Also install required add-ons for all your Cisco log sources(Eg: Cisco Networks Add-on, Cisco WSA,Cisco ESA, Cisco Sourcefire....)
Mainly covers below Cisco devices,
Cisco ASA
Cisco ISE
Cisco ESA
Cisco WSA
Cisco Sourcefire
Cisco IOS Switch/Router
Support
https://github.com/prewinthomas/SplunkIssues