Juniper e3k with ports limitied to 100Mbit and re NICs on MSI MoBo: problems with duplex negotiation (Hetzner host provider discard FreeBSD support due this bug)

Bjoern A. Zeeb bzeeb-lists at lists.zabbadoz.net
Tue Jan 11 19:50:07 UTC 2011


On Tue, 11 Jan 2011, Artyom Viklenko wrote:

> 11.01.2011 21:29, Lev Serebryakov ?????:
>> 
>> root at rescue ~ # mii-tool -v eth0
>> eth0: 100 Mbit, full duplex, link ok
>>    product info: vendor 00:07:32, model 17 rev 2
>>    basic mode:   100 Mbit, full duplex
>>    basic status: link ok
>>    capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 
>> 10baseT-FD 10baseT-HD
>>    advertising:  100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD 
>> flow-control
>
>
>>    link partner: 100baseTx-HD
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> Looks very strange for me... 'HD' means half-duplex?
>
> May be linux driver defaults to full-duplex if autoneg fails?..

That's probably just because it cannot tell what the peer really uses
(autoneg disabled) and prints the sane fall-back but I don't know the code.

/bz

-- 
Bjoern A. Zeeb                                 You have to have visions!
         <ks> Going to jail sucks -- <bz> All my daemons like it!
   http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/jails.html


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