[Sunhelp] hme NIC lying?

Thu Jun 1 08:23:55 CDT 2000

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FYI - I run 100 full through a Cisco switch to our citric metaframe system
off my hme1 fastether card
as an interface to our Citrix MetaFrame/Windows terminal server for windows
apps.  The NT gurus had to force
the switch to run 100 full...

> -----Original Message-----
> From:	Foust, Kal E [SMTP:kal.foust at eds.com]
> Sent:	Thursday, June 01, 2000 7:52 AM
> To:	'sunhelp at sunhelp.org'
> Subject:	RE: [Sunhelp] hme NIC lying?
> 
> Were you using <ndd> command?  When I queried my environment, I couldn't
> get
> an answer from the switch side.
> I'm a long way from expert on this, but I just went through a problem
> involving Cisco Switches and the hme cards installed in a e4500.  The "end
> game" was that (in our environment) both ends needed to be set to half
> duplex for best throughput.  The tip for me was in the SunSolve Infodoc
> 17416, dated 03/2000 which states:
>  "Full Duplex is only supported when connecting two Sun systems
> back-to-back
> using a crossover cable - IEEE Industry standards for Full Duplex
> inter-operability between vendors will be completed in the near future."
> 
> Personally I found this astonishing, but the setting marriage between
> devices solved our network problem.
> Anyone that can shed some light on this, PLEASE speak up. 
> 
> -----Original Message-----
> From: Robert.Cross at scottish-newcastle.co.uk
> [mailto:Robert.Cross at scottish-newcastle.co.uk]
> Sent: Thursday, June 01, 2000 5:31 AM
> To: sunhelp at sunhelp.org
> Subject: [Sunhelp] hme NIC lying?
> 
> 
> Strange query for all the network experts out there...
> 
> ... Has anyone come across a case where the hme interface lies about what 
> duplex setting it's using?
> 
> Reason being is that we've moved one of our interfaces from one hub to
> another. 
> The new hub
> reckons that it's using full duplex, but the interface reckons on only 
> half-duplex. And yes, we have tried the
> original hub port (reported as full duplex) and other new hub ports (still
> 
> half-duplex).
> 
> Any advice welcome...
> 
> Bob Cross.
> 
> 
> * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
> This message is confidential.  It may also be privileged or
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> communication in error, please let us know by reply then
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> 
> Scottish & Newcastle plc
> Registered in Scotland, Registration Number 16288
> Registered Office: 50 East Fettes Avenue, Edinburgh, EH4 1RR
> * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
> _______________________________________________
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> http://www.sunhelp.org/mailman/listinfo/sunhelp

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<P><FONT COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Arial">FYI - I run 100 full =
through a Cisco switch to our citric metaframe system off my hme1 =
fastether card</FONT>
<BR><FONT COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Arial">as an interface to =
our Citrix MetaFrame/Windows terminal server for windows apps.  =
The NT gurus had to force</FONT>
<BR><FONT COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Arial">the switch to run =
100 full...</FONT>
</P>
<UL>
<P><FONT SIZE=3D1 FACE=3D"Arial">-----Original Message-----</FONT>
<BR><B><FONT SIZE=3D1 FACE=3D"Arial">From:  </FONT></B> <FONT =
SIZE=3D1 FACE=3D"Arial">Foust, Kal E [SMTP:kal.foust at eds.com]</FONT>
<BR><B><FONT SIZE=3D1 FACE=3D"Arial">Sent:  </FONT></B> <FONT =
SIZE=3D1 FACE=3D"Arial">Thursday, June 01, 2000 7:52 AM</FONT>
<BR><B><FONT SIZE=3D1 =
FACE=3D"Arial">To:    </FONT></B> <FONT SIZE=3D1 =
FACE=3D"Arial">'sunhelp at sunhelp.org'</FONT>
<BR><B><FONT SIZE=3D1 =
FACE=3D"Arial">Subject:       </FONT>=
</B> <FONT SIZE=3D1 FACE=3D"Arial">RE: [Sunhelp] hme NIC lying?</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">Were you using <ndd> =
command?  When I queried my environment, I couldn't get</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">an answer from the switch =
side.</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">I'm a long way from expert on this, =
but I just went through a problem</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">involving Cisco Switches and the hme =
cards installed in a e4500.  The "end</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">game" was that (in our =
environment) both ends needed to be set to half</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">duplex for best throughput.  The =
tip for me was in the SunSolve Infodoc</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">17416, dated 03/2000 which =
states:</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial"> "Full Duplex is only =
supported when connecting two Sun systems back-to-back</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">using a crossover cable - IEEE =
Industry standards for Full Duplex</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">inter-operability between vendors =
will be completed in the near future."</FONT>
</P>

Personally I found this astonishing, =
but the setting marriage between
 devices solved our network =
problem.
 Anyone that can shed some light on =
this, PLEASE speak up.

<P><FONT SIZE=3D2 FACE=3D"Arial">-----Original Message-----</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">From: =
Robert.Cross at scottish-newcastle.co.uk</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">[<U></U></FONT><U><FONT =
COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Arial"><A =
HREF=3D"mailto:Robert.Cross at scottish-newcastle.co.uk">mailto:Robert.Cros=
s at scottish-newcastle.co.uk</A></FONT></U><FONT SIZE=3D2 =
FACE=3D"Arial">]</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Sent: Thursday, June 01, 2000 5:31 =
AM</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">To: sunhelp at sunhelp.org</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Subject: [Sunhelp] hme NIC =
lying?</FONT>
</P>
<BR>

<P><FONT SIZE=3D2 FACE=3D"Arial">Strange query for all the network =
experts out there...</FONT>
</P>

... Has anyone come across a case =
where the hme interface lies about what 
 duplex setting it's using?

Reason being is that we've moved one =
of our interfaces from one hub to
 another. 
 The new hub
 reckons that it's using full duplex, =
but the interface reckons on only 
 half-duplex. And yes, we have tried =
the
 original hub port (reported as full =
duplex) and other new hub ports (still 
 half-duplex).

<P><FONT SIZE=3D2 FACE=3D"Arial">Any advice welcome...</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">Bob Cross.</FONT>
</P>
<BR>

<P><FONT SIZE=3D2 FACE=3D"Arial">* * * * * * * * * * * * * * * * * * * =
* * * * * * * * * * *</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">This message is confidential.  =
It may also be privileged or</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">protected by other legal rules.  =
It does not constitute an</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">offer or acceptance of an offer, nor =
shall it form any part</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">of a legally binding contract.  =
If you have received this</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">communication in error, please let us =
know by reply then</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">destroy it.  You should not use, =
print, copy the message or</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">disclose its contents to =
anyone.</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">E-mail is subject to possible data =
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<BR><FONT SIZE=3D2 FACE=3D"Arial">secure, and its content does not =
necessarily represent the</FONT>
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representation or warranty is</FONT>
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completeness of the information</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">and no liability can be accepted for =
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<BR><FONT SIZE=3D2 FACE=3D"Arial">its use.</FONT>
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<P><FONT SIZE=3D2 FACE=3D"Arial">This e-mail and any attachments are =
not guaranteed to be</FONT>
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and it is recommended</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">that you check for such viruses =
before down-loading it to</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">your computer equipment.  This =
Company has no control over</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">other websites to which there may be =
hypertext links and no</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">liability can be accepted in relation =
to those sites.</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">Scottish & Newcastle plc</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Registered in Scotland, Registration =
Number 16288</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Registered Office: 50 East Fettes =
Avenue, Edinburgh, EH4 1RR</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">* * * * * * * * * * * * * * * * * * * =
* * * * * * * * * * *</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial">_______________________________________________</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">SunHELP maillist  -  =
SunHELP at sunhelp.org</FONT>
<BR><U><FONT COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Arial"><A =
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