asymetric speeds over gigE link]

[security]

Thanks Steve.  Just tried it and no change.  I also rebuilt my kernel
for polling and set it on the em0 device.  While it did lower interrupt
time, it didn't make any real change in my numbers

jim


Steven Hartland wrote:
> You might want to try setting:
> net.inet.tcp.inflight.enable=0
>
> Just changing this on our FreeBSD 6.2 boxes enabled them to achieve
> full line rate with ftp / proftpd transfers.
>
>    Steve
>
> ----- Original Message ----- From: "security" <security at jim-liesl.org>
>
>> Switch is the Netgear GS105 (5 port, supposedly wire speed, cables are
>> Belkin 5e), both systems are on this switch.
>>
>> FreeBSD box:
>> FreeBSD 6.1-RELEASE-p10
>> 1.9Ghz Athlon / 1 gig of main mem
>> Abit/nforce2 MB+chipset (onboard nic disabled in bios)
>> Intel Pro/1000GT NIC
>> sysctl.conf:
>> kern.ipc.maxsockbuf=8192000
>> net.inet.tcp.sendspace=262144
>> net.inet.tcp.recvspace=262144
>> sysctl reports:
>> kern.ipc.nmbjumbo16: 0
>> kern.ipc.nmbjumbo9: 0
>> kern.ipc.nmbjumbop: 0
>> kern.ipc.nmbclusters: 25600
>> net.inet.tcp.rfc1323: 1
>>
>> em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>>        options=b<RXCSUM,TXCSUM,VLAN_MTU>
>>        inet6 fe80::20e:cff:feda:1a3c%em0 prefixlen 64 scopeid 0x1
>>        inet 192.168.1.15 netmask 0xffffff00 broadcast 192.168.1.255
>>        ether 00:0e:0c:da:1a:3c
>>        media: Ethernet autoselect (1000baseTX <full-duplex>)
>>        status: active