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Date: Thu, 28 Sep 1995 10:02:00 -0700 (PDT)
From: "Bivins, Jeff" <BIVINS_at_nebeng.otis.utc.com>
Subject: [S] Tulip Ethernet Controller Collision Rate
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Reply-to: "Bivins, Jeff" <BIVINS_at_nebeng.otis.utc.com>
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My Original question is:
> Hello all,
>
> I have 35 AlphaStation 250 4/266 workstations and 2 AlphaServer 2100 4/233
> servers. All of these machines have a DEC TULIP PCI ethernet card. When
> using the 'monitor' tool I see on the average 30-40 percent of collision
on
> a high throughput transfer.
>
> When I send a large file from on of these machine to a DECsystem 5900. The
> high collision rate only exist in the Alpha side and not the DECsystem
side.
>
>
> Is this a tuning issue ?
Nope. It's normal.
> How can I resolve this issue ?
Thanks to those who responded
Matt Thomas
Dave Cherkus
J. Dean Brock
Dave Golden
The consensus is that the TULIP controller reveals accurate statistics on
collisions, where the LANCE controller does not.
I will look at this problem from a network perspective.
Thanks,
Jeff
Received on Sat Sep 30 1995 - 07:29:01 NZST