At 08:09 AM 11/22/2006, Jeremie Le Hen wrote:
It would be interesting to know the real performance of Linux as a mere
router if we want a true comparision with FreeBSD performances.
Re-tested, this time with a LINUX UP kernel and there is not that
much difference in overall speeds. I added a few IPTABLES rules which
loaded a few of the modules.
[EMAIL PROTECTED] ~]# iptables -A OUTPUT -p tcp -s 10.90.2.1 --dport 135:139
-j DROP
[EMAIL PROTECTED] ~]# iptables -A OUTPUT -p tcp -s 11.90.3.1 --dport 445 -j
DROP
[EMAIL PROTECTED] ~]# iptables -A OUTPUT -p tcp -s 0.0.0.0/0 --dport 448 -j
REJECT
[EMAIL PROTECTED] ~]#
[EMAIL PROTECTED] ~]# lsmod
Module Size Used by
ipt_REJECT 5248 1
xt_tcpudp 3456 3
iptable_filter 3328 1
ip_tables 12872 1 iptable_filter
x_tables 14212 3 ipt_REJECT,xt_tcpudp,ip_tables
autofs4 21508 2
sunrpc 153660 1
acpi_cpufreq 8204 0
dm_mirror 21968 0
dm_multipath 18568 0
dm_mod 57112 2 dm_mirror,dm_multipath
video 17028 0
sbs 16192 0
i2c_ec 5376 1 sbs
button 7184 0
battery 10500 0
asus_acpi 16792 0
ac 5636 0
pcspkr 3456 0
i2c_nforce2 7552 0
i2c_core 21504 2 i2c_ec,i2c_nforce2
serio_raw 7300 0
tg3 99972 0
e1000 114752 0
ide_cd 38432 0
cdrom 34848 1 ide_cd
forcedeth 39940 0
sata_nv 11652 0
libata 98068 1 sata_nv
sd_mod 20864 0
scsi_mod 133672 2 libata,sd_mod
ext3 129416 1
jbd 58152 1 ext3
ehci_hcd 30984 0
ohci_hcd 19844 0
uhci_hcd 23052 0
[EMAIL PROTECTED] ~]#
Stopping it does seem to unload the klds
[EMAIL PROTECTED] ~]# /etc/rc.d/init.d/iptables stop
Flushing firewall rules: [ OK ]
Setting chains to policy ACCEPT: filter [ OK ]
Unloading iptables modules: [ OK ]
[EMAIL PROTECTED] ~]#
[EMAIL PROTECTED] ~]# lsmod
Module Size Used by
ipt_REJECT 5248 0
xt_tcpudp 3456 0
x_tables 14212 2 ipt_REJECT,xt_tcpudp
autofs4 21508 2
sunrpc 153660 1
acpi_cpufreq 8204 0
dm_mirror 21968 0
dm_multipath 18568 0
dm_mod 57112 2 dm_mirror,dm_multipath
video 17028 0
sbs 16192 0
i2c_ec 5376 1 sbs
button 7184 0
battery 10500 0
asus_acpi 16792 0
ac 5636 0
pcspkr 3456 0
i2c_nforce2 7552 0
i2c_core 21504 2 i2c_ec,i2c_nforce2
serio_raw 7300 0
tg3 99972 0
e1000 114752 0
ide_cd 38432 0
cdrom 34848 1 ide_cd
forcedeth 39940 0
sata_nv 11652 0
libata 98068 1 sata_nv
sd_mod 20864 0
scsi_mod 133672 2 libata,sd_mod
ext3 129416 1
jbd 58152 1 ext3
ehci_hcd 30984 0
ohci_hcd 19844 0
uhci_hcd 23052 0
[EMAIL PROTECTED] ~]#
RELENG_4 still seems to be king, speed wise for raw forwarding and
firewalling performance. I tried Dragon Fly, but the em NICs lock up
with a few packets blasted at it both in SMP and UP mode. Also tried
booting one of their development kernels, but no difference.
I might give OpenBSD a quick try as a reference.
I also tried a few variations in the kernel from CURRENT. Removing
things like KTRACE and PREMPTION seem to have very little impact, but
some. Also tried changing the hardware timer to TSC, but that didnt
have any impact.
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