Date: Thu, 17 Jun 2004 16:54:48 -0400 From: Mike Tancsa <mike@sentex.net> To: wpaul@FreeBSD.ORG (Bill Paul) Cc: freebsd-current@FreeBSD.ORG Subject: Re: Re: Realtek RT8139 (onboard) - failed to receive packet in loopback mode Message-ID: <6.1.1.1.0.20040617162437.0780a118@64.7.153.2> In-Reply-To: <20040617200427.840D516A4CF@hub.freebsd.org> References: <6.1.1.1.0.20040617130800.113cf920@64.7.153.2> <20040617200427.840D516A4CF@hub.freebsd.org>
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At 04:04 PM 17/06/2004, Bill Paul wrote:
>NO! NOT SIMILAR TO WHAT HE SEES!
OK, I am *WRONG*! SORRY!
>I don't know what your problem is, and you have not provided enough
>data to figure it out. (Just how do you know there are many FCS errors
>anyway.
Looking at the switch port statistics. The Nortels/Bays have the following
info per port (this is not the port as it was already cleared..)
Packets: 41910550 Packets:
57623452
Multicasts: 15 Multicasts:
4679890
Broadcasts: 113405 Broadcasts:
2775354
Total Octets: 2935490261 Total
Octets: 142434347
Lost Packets: 0 Lost
Packets: 0
FCS
Errors: 0 Collisions: 0
Frame Errors: 0 Single
Collisions: 0
Undersized Packets: 0 Multiple
Collisions: 0
Oversized Packets: 0 Excessive
Collisions: 0
Packets 64 bytes: 22042474 Packets 64
bytes: 13026195
65-127 bytes 7534680 65-127
bytes 15818483
128-255 bytes 723547 128-255
bytes 4809496
256-511 bytes 551054 256-511
bytes 412113
512-1023 bytes 3792979 512-1023
bytes 248253
1024-1518 bytes 7265825 1024-1518
bytes 23308940
Filtered Packets: 0 Deferred
Packets: 0
Flooded Packets: 1 Late
Collisions: 0
The FCS errors were steadily increasing.... And yes, we tried new cables
and new ports.
> How did you meature them?
Simple ftp http gets... It was quite evident soon as I logged in via ssh
that something was not right. The ftp from a host on a connected network
is slow and bursty.
>Did you test performance too?
Yes, it was crap... About the same sort of performance as one would expect
if there were a duplex mismatch, yet we would see the same performance
where it was auto-auto, 100full-100full 100half-100half... Barely a Mb/s on
a directly connected host off the switch.
>If
>so, how did you do that? What switch do you have?)
Noticed first on a Bay Centillion 100 and repeated on a Baystack 350T.
The units are scheduled to go back to the supplier as we swapped them out
for a slightly more expensive MB with onboard fxps. I can dig one of them
out if you want more information before I send it back.
---Mike
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