Internet works about 5% of the time (Slackware 12.1)
I just installed Slackware 12.1 on a DELL PowerEdge 1300. It has a brand new USRobotics Gigabit Ethernet PCI Adapter 10/100/1000mbps. I put this in there just in case it was an hardware issue but I still get the same results.
This box is a central logging server running Nagios and pulling information from Windows XP PCs running NSClient. On Nagios the host details show those PCs as being down sometimes, then up. 0% packet loss to 100%. Any ideas? |
What tests are used to determine "up" status? Wrt tolerance, what's the timeout for state change for those tests? Wrt granularity, at what interval are the tests run? Is there a pattern in up/down state changes? If you manually monitor one of these hosts for a prolonged period with equivalent commandline tools (Tcptraceroute, Hping?) does that support the idea of host or network connectivity problems? If you monitor the Nagios hosts for a prolonged period, does it show ethernet link state problems (ethtool, miidiag or equiv), network connectivity problems, Nagios process latency or other problems due to machine load?
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How exactly would I be able to test for wrt tolerance and granularity? Thank you in advance |
I'll skip the explanation if you don't mind and suggest you manually run a continuous ping from the Nagios box and another machine to one of the troublesome machines. If errors occur it should be easier to determine what goes on where. TIA
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I've noticed this when i boot up:
dnsmasq: failed to create listening socket: address already in use when i did the continuous ping, at one point the hosts would come back up and internet would be accessible, then they would go down and of course internet would not work. |
I hope somebody would be willing to jump in right now, because I don't think I am the right person to help you further. Please accept my apologies.
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As I look into it more I'm finding out more. I was trying to set this box up with a static ip and can't get that to work properly, so for now I'm using DHCP until I can figure it out on a spare pc. thanks again unSpawn for your patience. |
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So. Did this get fixed Dachy?
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