![]() We looked at DNS cache for a bit as well. By way of forwarders and/or root hints those end up on the Internet and as they pass through his LAN router, it brings the router to its knees after a while. This combined with other hosts on his network are generating a sum total of over 1,000 requests a minute to his DNS servers when we took a sample a few days ago. ![]() The primary workstation he's looking at is generation DNS requests at a rate of about 320 requests per minute or 5 per second, without a break. Looks like the purpose of this new discussion is more along the lines of how to troubleshoot a single workstation and why it was so "chatty". ![]() That part is figured out in this discussion here: We've covered how to get debug logs, how to analyze them, get reports, etc. We had a lengthy discussion a few days ago with the OP regarding DNS debugging. Speaking on behalf of the OP as responses now start to go back full circle to a discussion from the other day.
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