I understand the importance of syslog and maintaining the logs. My question is more along the lines of a general logging question for all types of Cisco equipment. Where can I find a white paper that details the types of messages included at each level of logging on a PIX, a Router, a Switch and so on. If I want to log an access-list, what level? If I wan to log dropped TCP connections on a PIX, what level? I hope these examples help.
Though the document does not directly answer your question, it is a useful guide. As indicated by the document, System error messages begin with a percent sign (%) and are structured in the form "%FACILITY-SUBFACILITY-SEVERITY-MNEMONIC: Message-text". SEVERITY is a single-digit code from 0 to 7 that reflects the severity of the condition. The lower the number, the more serious the situation. You could also refer to "Resource Manager Essentials and Syslog Analysis: How-To" at the URL:
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We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...