Need to know troubleshooting resources for network problems

• Iam a CCNP route certified network engineer. Can someone tell me any websites, etc that guide us to troubleshoot networking issues (routing,switching,ASA) that we face in production environment. I am not looking for resources that teach us certification content & networking concepts but that tell us possible causes & solutions for networking issues faced in everyday situation. I feel understanding a concept/finishing certification alone doesn't effectively address this. Cisco forums help at times & not so helpful at other times. Is there any site/resource in existence specifically to address above mentioned requirement?