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- Does HP still recommend hard-coding NICs to speed?
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тАО01-08-2010 07:31 AM
тАО01-08-2010 07:31 AM
At one time HP/Compaq recommended hard coding the NIC speed rather than leaving it at AUTO.
Is that still the posture and concensus?
Thanks,
Louis
Solved! Go to Solution.
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тАО01-08-2010 08:20 AM
тАО01-08-2010 08:20 AM
Re: Does HP still recommend hard-coding NICs to speed?
I had problems very recently with having the speed set to AUTO on both the server and the LAN switch.
So it depends on your environment and what kind of LAN switches you use. If you have issues, make it a standard to hard set either the server or the LAN switches only. Then leave the other side to auto.
I also found out that it does not depend on the LAN switch make, sometimes it has to do with the model and firmware level.
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тАО01-08-2010 08:34 AM
тАО01-08-2010 08:34 AM
Re: Does HP still recommend hard-coding NICs to speed?
I'm going to leave this thread open, maybe HP can shed some light on their recommendations.
When I worked for DEC/Compaq/HP the recommendations to the field were hard-code the speed on both ends, as not all network switches auto'ed as well as Cisco.
I'm trying to set a standard for implementation of new servers in our datacenter.
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тАО01-08-2010 02:14 PM
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тАО01-08-2010 04:31 PM
тАО01-08-2010 04:31 PM
Re: Does HP still recommend hard-coding NICs to speed?
In *my* corner of HP (HP 9000's and HP Integrity systems) the NICs in use did (and do) autoneg correctly, and my suggestion has "always" been to use autoneg. Some of the reasoning behind that is in the attached, which goes back a long time...