Re: Network stack/ethernet driver issues
Re: Network stack/ethernet driver issues
- Subject: Re: Network stack/ethernet driver issues
- From: Andrew Gallatin <email@hidden>
- Date: Thu, 10 Apr 2008 14:22:07 -0400 (EDT)
email@hidden writes:
> Hi Chuck,
>
> Thanks for the advice. However, there is no option to modify the ring
> buffer size in the info.plist file. Also, the AppleYukon2 driver is not
Strange, there is such an option in the Yukon and Yukon2 drivers
in 10.4.11:
% grep RxRingSize
/System/Library/Extensions//IONetworkingFamily.kext/Contents/PlugIns/AppleYukon*.kext/Contents/Info.plist
| wc -l
15
You may want to check to see if link level flow control is enabled on
your switch, and on the sender. You can tell if the mac has
negotiated it via ifconfig:
# ifconfig en0 | grep active
media: autoselect (100baseTX <full-duplex,flow-control>) status: active
You also might want to check to see how many mbuf / cluster allocation
failurs have happened via netstat -m.
Last, to be certain nothing is dropped in the host, check netstat
-spudp and look for drops due to full socket buffers.
Cheers,
Drew
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