Re: asymetric speeds over gigE link]
- From: security <security@xxxxxxxxxxxxx>
- Date: Mon, 21 May 2007 23:29:20 -0700
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@xxxxxxxxxxxxx>
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
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- From: security
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