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On Tue, 2004-11-09 at 08:50 +0000, Andrzej Wąsowski wrote: |
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> Hi, |
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> |
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> I have decided to try hardened-dev-sources instead of usual gentoo-dev-sources |
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> on my new server. This machine is not running SELinux, it was installed |
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> according to a usual Gentoo Handbook. I do not think I have a firewall |
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> compiled in (I believe I switched off everything related to the firewall. The |
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> machine is behind an external firewall). |
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> |
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> |
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> When I ping this machine I am loosing between 1% to 50% of packets, in a very |
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> unstable way. From time to time the communication gets stuck and then it |
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> resumes again after 30s, a minute or so. This affects not only ping, but ssh as |
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> well. |
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> |
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> I have nearly ruled out routing problems. The communication is slightly better |
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> when trying to reach the server from the same segment, but it is still loosing |
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> packets (1%). When I am on remote segment the loss is higher (30-50%). This is |
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> both ways, but it is especially bad form remote machine to server. It is better |
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> from the server to a remote machine. |
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> |
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> At the same time ping is nearly flawless when communicating between other |
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> machines on the same networks (4-5 packages lost in a 1000 long session). |
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> |
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> The NIC driver on the server is e1000. Kernel version is |
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> hardened-dev-sources-2.6.7-r1. |
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> |
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> Does anybody have any hint, what might be going wrong? What should I check? |
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Check duplex settings on both box and hub/switch - auto detect can be |
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unreliable on some switches/hubs |
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Use mii-tool or ethtool. |
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Steve |
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