Tech Support > Operating Systems > UNIX / Variants > netwrok speed 10mps/half dupx and 100mps/full dupx
netwrok speed 10mps/half dupx and 100mps/full dupx
Posted by blackdog on February 24th, 2005


Years ago, I built a system with Solaris2.5 on Sun Microsystems
Ultra 10. I got default network setup as 10mps/half dupx.

If I install solaris 2.8, do I get 100mps/full dupx as default?

Thanks

Posted by Dave Hinz on February 24th, 2005


On 24 Feb 2005 04:15:16 -0800, blackdog <cljlk@hotmail.com> wrote:
I don't know what the default is, but ifconfig will get you where
you want to go. Pretty sure 100/full is default, but it's easy
enough to specify.

What's the actual question or problem you're trying to solve?

Posted by Juha Laiho on February 24th, 2005


"blackdog" <cljlk@hotmail.com> said:
In short, yes. But please read the long answer as well.

Ultra 10 should be recent enough to support 100/full - supposing that
it can negotiate that with your switch. If you have a managed switch,
do make sure that you at least initially have autonegotiation enabled.
Only start forcing link parameters, if the negotiation does not work -
and in that case, do force identical settings on both ends of the link.
If you only force either end of the link, chances are that the other
end of the link causes a duplex mismatch. Or, more properly: if one
end of the link is forced to 100/full, the other end _will_ end up
with 100/half, if its autonegotiation is working by the specification.
--
Wolf a.k.a. Juha Laiho Espoo, Finland
(GC 3.0) GIT d- s+: a C++ ULSH++++$ P++@ L+++ E- W+$@ N++ !K w !O !M V
PS(+) PE Y+ PGP(+) t- 5 !X R !tv b+ !DI D G e+ h---- r+++ y++++
"...cancel my subscription to the resurrection!" (Jim Morrison)

Posted by Doug Freyburger on February 24th, 2005


blackdog wrote:
Two separate topics, two separate answers.

On the 10/100 angle, it depends on what's in the PROM
setting. Jumpstart will use the device that it installs
from at the speed it used. If you did a jumpstart at
10, you will get 10. If you set in the PROM to try 100
first and your networks switchs support 100, you will
get 100.

On the half/full angle, it will default to
autonegotiate if you use jumpstart. Autonegotiate will
start out hoping for full and if it starts getting
media errors it will fall back to half. The process
of packets on the line is more involved than thatbut
it does describe the end result just fine.



Similar Posts