Bill Moran wrote:
Ok, I just did that -- I have now attempted to force 1000baseTX on both
sides and on one side while the other was left auto, all three possible
combinations resulted in the same behavior (no carrier).
In response to James Tanis <jta...@mdchs.org>:
<.. snip ..>
Attempting to force 1000baseTX via:
ifconfig em1 media 1000baseTX mediaopt full-duplex
status: no carrier
After forcing the NIC to go 1000baseTX the LEDs on the backpane are both
off. I can only come to the conclusion that this is a driver issue based
on previous experience and the simple fact that the end user system is
capable of connecting at 1000baseTX. Anybody have any suggestions? I'm
hoping I'm wrong. I'd rather not do an in-place upgrade, this is a
production system and the main gateway for an entire school, when I do
not even know for sure whether this will fix the problem. It's worth it
to me though, having a 1000baseTX uplink from the switch would remove a
major bottleneck for me.
Try forcing on both ends (I assume the Procurve will allow you to do that).
One thing I've seen consistently is that if you force the speed/duplex on
one end, the other end will still try to autoneg, and will end up with
something stupid like 100baseT/half-duplex, or will give up and disable
This was the original set up. It is also how I have it set up currently,
it results in 100baseTX full-duplex on both sides.
Also, try autoneg on both ends. Make absolutely sure the Procurve is set
Well, I don't have any verified working cable of the appropriate length
so I simply switched out the cables for the main server and the backup
server. They are both cat6 cables crimped with cat5e modules by me. For
what reason (bad crimp job?) that seemed to fix the issue.
Replace the cable. If the cable is marginal, autoneg will downgrade the
speed to ensure reliability. Use a cable that you know will produce
1000baseTX because you've tested it on other systems.
Thanks for the advice!
Computer Science Department
Monsignor Donovan Catholic High School
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