(ASCEND) TNT -- Full duplex Ethernet?

[Kerrin Pine <kerrinp@chariot.net.au>]

Hi all

We have a problem with our TNTs and thought we'd leapfrog our support 
ticket with Ascend which isn't progressing anywhere.

The deal is that we've got a TNT (Running multishelf with two others and 
version 7.0.22) plugged into an Alteon CacheDirector switch that won't 
speak full duplex Ethernet.

At the moment on the Alteon side we've forced no flow control, 100 meg and 
half duplex. It works, but we see terrible (3-5%) packet loss which show up 
on the Alteon port statistics as collisions and "latecollisions".

On the TNT side we've forced half duplex. The port is on an Ethernet2 card 
(not sure of the revision and would love to find out. suffice to say it's 
100 meg and it's probably not the newest one)

If we force full duplex on both sides, the link never comes up, no link 
light on the TNT and no link light on the Alteon.

If we let both sides autonegotiate, we end up with half duplex.

Can anyone suggest anything? Things we have tried are replacing cables, 
different ports on the Alteon, different combinations of Fast Ethernet 
settings, using the funny dongle, and still no full duplex. We have other 
groups of TNTs with the same hardware and software revision here plugged 
into the same Alteon with exactly the same behaviour.

Any/all ideas appreciated. I want full duplex before they get replaced with 
5800's :-)

Regards
Kerrin



--
Kerrin Pine (kerrinp@chariot.net.au)   |  Web: http://www.chariot.net.au/
Operations Manager, Chariot Internet   |  Web: http://www.kerrin.com/
214 Greenhill Road, EASTWOOD SA 5063   |  Ph : (08) 8272 7677
PO Box 1046, UNLEY SA 5061             |  Fax: (08) 8272 7210

"I stayed up all night playing poker with tarot cards. I got
a full house and four people died." -- Steven Wright

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