From: John Jolet (john.jolet@FXFN.COM)
Date: Tue Jan 13 2004 - 15:33:03 EST
We still have problems with 5.1 boxes (6H1) thinking they negotiated 100
full, but my cisco switches insisting they agreed on 100 half. usually
it's a duplex problem. and yes,still today,
On Tue, 2004-01-13 at 14:17, cbaker@GOODYEAR.COM wrote:
> I have noticed lately that some still say in this site "DO NOT
> AUTONEGOTIATE your speed/duplex on IBM AIX boxes.
>
> We had major problems with that back in the early AIX 433 (or earlier) days
> and back with the 43P-140 [7043-140] (and first cut of the 150's and 260's)
> and the first auto-negotiating ethernet cards.
>
> BUT, we were told that with the newer boxes (about the time when they went
> from beige to black cases) that the problem was fixed. It was NOT an OS
> issue but rather a NIC issue.
>
> In our case, we had (and still have) a lot of EnteraSys (Cabletron)
> switches. We were told that the "world" used one negotiation schema (i.e.
> Cabletron, HP, SUN, SGI), but IBM was using a different method in those
> ethernet cards. So, we saw that the NIC and the network hub/port were
> never coming to an agreement at what speed and duplex to use. So, we
> ticked off our Network group and made them lock down the ports to 100/Full.
>
> But, since then, (a couple years now at least) we have been setting both
> the NIC and the network port to autonegotiate and have had no problems.
>
> Is there a new problem?
>
> Christopher M. Baker
> Senior Technical Support Analyst
> DSE/TCO
> Goodyear Tire and Rubber Company
>
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