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7 Posts
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3583
September 22nd, 2004 13:00
Bouncing on and off the network
I have a laptop user on a D600 that has recently begun haivng intermittent network issues. She continuously gets bounched on and off the network (which happens within a second). Here's the troubleshooting that I've done:
Installed all the latest drivers, firmware and BIOS updates
Tried swapping out docking stations, and also tried to just use the internal NIC
Swapped out network cable
Had engineer check for collision errors on switch
Swapped out ports on the patch panel
Hard coded NIC to 100/full
Set Lanman "reconnect" reg entry to highest setting
Other than that, I can't think of anything. She's running Windows 2000 pro, and this is the second laptop she's recieved because of this. Anyone with any ideas or suggestions? Any help will be greatly apprciated!
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pjflores
1 Message
0
October 8th, 2004 14:00
Pedro Flores
Educational & Productivity Solutions
Texas Instruents,Inc.
ramiv
12 Posts
0
October 20th, 2004 05:00
We had similar problems: short off and back on every once in a while -> dropped all AS/400 connections in the process which really made users happy. This was happening with D600 & w2ks.
Few things to check (solved my probs):
Sounds stupid but verify that there is no power save active for NIC (properties->configure->power management->allow the computer to turn off this device to save power) - that was enabled by default on shipping configuration. We had optiplexes doing the above a while back so we had already done this.
Also if u force full duplex on client do that on switch side also, otherwise there WILL be a duplex mismatch, duh. (Auto and full meet -> auto goes to half)
The second problem I found after a loooong search. We have HP current gen switches and I noticed in the switch event log that LACP was disabling/enabling ports like it is supposed to do but it was doing it also while the connection was active. LACP is used for port trunking and not exactly necessary to have on. Turned off LACP from all ports -> no more complaints.
I do not know why only the D600's were acting up, no probs with optiplexes or others (only few oldies left). Hope it helps..
-Rami