![]() Mostly I care about seeing the TCP handshakes because that's where problems in my infrastructure gets highlighted. It's the source of truth for what's actually happening. Splunk, or any other log collector with strong search and correlation tools.Ĭontinuous capture, or Wireshark in a pinch. And doesn't turn everything into an unreadable mess the second you download a log from something that doesn't run Windows. Sure, you could use other tools, like just greping for a particular phrase, but sometimes you don't even know what that phrase is you're looking for, you just know "X happened sometime around Y o'clock." In those times, it's very useful to have something that makes reading logs very clear, and allow you to tag particularly interesting bits. For example, highlighting a particular IP or MAC address, so you can quickly scroll through the hundreds of lines of noise for the one or two log lines that are actually relevant. Notepad++ (not to be confused with Notepad) is a great tool for loading and searching through hundreds of thousands of log lines, and has a number of features to enhance usability, from minor things like syntax highlighting or line numbers, to shading the entire selected line, or setting a certain phrase to be highlighted a particular way throughout an entire document. Or for security reasons logging off of the device might not be allowed. You might just be lucky enough to get a logfile dumped from the memory or storage of the particular component you're troubleshooting. You assume that there is a logging server. ping.pe/ping.sx (website checking ping from all major tier1 isps).Name down some ping/traceroute tool/ssh client/any other apps makes it easierĮdit: This is what you guys suggested in the comments. When your networks goes Cuckoo which are your life saving tools to saved the day? And how do you proceeded troubleshooting? ![]() Rule #6: Homework / Educational Questions must display effort. Rule #3: No BlogSpam / Traffic re-direction. Rule #2: No Certification Brain Dumps / Cheating. r/NetworkingJobs /r/sysadmin /r/ITCareerQuestions /r/CSCareerQuestions /r/ccna /r/juniper /r/jncia /r/ccnp /r/jncis /r/ccdp /r/jncip /r/ccie /r/ccde /r/cisco /r/jncie /r/HomeNetworking /r/TechSupport /r/Network /r/ipv6 /r/networkautomation /r/outages Related IRC Channels
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