Thanks all for the many responses, sorry for the late summary.
Everyone said that this was a problem of a mismatch between the port on
the switch and the NIC in the host - not being of the same duplex value
(full, half, auto whatever). The general consensus appeared to be not
to auto negotiate.
In addition there is a patch to the HME driver which was failing to
auto-negotiate as far as I can see.
Keywords: security hme full-duplex MII AUI sys-suspend DDI_DETACH PHY
Synopsis: SunOS 5.5.1: /kernel/drv/hme patch
There was one suggestion that it might be a topological problem in the
Hope this helps, it helped us. We used the 'ndd' command to set the
port on the Sun correctly (matching the CISCO) and it worked.
-- Stephen Johnston Phone: +49 89 32006443 UNIX Sysadmin Fax : +49 89 32006380 European Southern Observatory Karl-Schwarzschild-Strasse 2 D-85748 Garching bei Muenchen
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