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Network problems on new FC4 box - please help.

I had to replace a disk (the one with all of the home directories on it) on an FC3 box, and so I bought a new drive (particulars unimportant).

To make a long story short, I decided to put FC4 on this box, and so I installed the new drive and put the root filesystem on it. I still have the old FC3 root drive and can boot to either for comparison...

Under FC3, I have no network problems that I can detect; however, under FC4 there are two distinct (related? no idea) problems which have eluded me. I have tried looking up both of these in the archives, but have had no luck (some similar issues, but nothing exactly like either of these unless I missed them).

Problem 1: network card goes to sleep.

This machine has 2 network cards, both on-board. The 1GB card L(Intel 82540EM) goes to the smartswitch to tolk to the local network, and does not show any problems. The other card (nVidia nForce2) is a 100MB card and talks to the DSL modem. Periodically I cannot connect to the internet at all - or even ping the DSL modem. This happens irregularly but about 5-10 times/day. If I reboot back to FC3, the problem does not occur. Network configurations between the two (FC3/FC4) are as identical as I can make them. The first few times the problem occurs, sometimes retarting networking works, but eventually a full sys reboot is the only thing which works.

Problem 2: slow local network.

Under FC3 throughput on the LOCAL network (1GB lan) is very fast. Under FC4, the best I have seen is ONE transfer of about 1.2 MB/s - and throughput drops to as low as 50-75KB/s at times. Again, this does not occur under FC3 but does under FC4. Again the same setup as nearly as I can make it. No workaround found so far.

Any suggestions would be greatly appreciated.

william w. austin                               waustin speakeasy net
"life is just another phase i'm going through. this time, anyway ..."

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