From: John Jolet (john.jolet@FXFN.COM)
Date: Tue Jan 13 2004 - 16:17:03 EST
i agree absolutely..and that's our cisco admin's policy....except for
those devices that cannot be hard set.
On Tue, 2004-01-13 at 14:51, Lieberg, Patrick wrote:
> This problem is not just in the IBM or AIX world. I've seen this problem between Cisco equipment and Compaq (now HP) hardware as well. I've made it SOP to never rely on Auto-Negotiate on any device, which means when people bring problems like this up, its one of the first things I suggest as a possible solution.
>
> -Patrick Lieberg
> Systems Administrator
> ev3 Inc.
>
> -----Original Message-----
> From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU]On Behalf Of
> cbaker@GOODYEAR.COM
> Sent: Tuesday, January 13, 2004 2:18 PM
> To: aix-l@Princeton.EDU
> Subject: What's wrong with autonegotiate
> Importance: High
>
>
> 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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