Вобщем вопрос мой, как можно исправить данную ситуацию, вот исходные данные:
Код:

FreeBSD 8.1-RELEASE #0: Mon Jul 19 02:55:53 UTC 2010
root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
CPU: Intel(R) Core(TM)2 Duo CPU E8300 @ 2.83GHz (2829.09-MHz 686-class CPU)
real memory = 2147483648 (2048 MB)
em0: <Intel(R) PRO/1000 Network Connection 7.0.5> port 0xd500-0xd51f mem 0xf1280000-0xf129ffff,0xf12a8000-0xf12a8fff irq 20 at device 25.0 on pci0
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC>
ether 00:1f:d0:22:78:90
inet 10.61.75.45 netmask 0xfffffe00 broadcast 10.61.75.255
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
rl0: <RealTek 8139 10/100BaseTX> port 0xc000-0xc0ff mem 0xf1100000-0xf11000ff irq 19 at device 1.0 on pci3
rlphy0: <RealTek internal media interface> PHY 0 on miibus0
rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8<VLAN_MTU>
ether 00:c0:26:a6:35:4c
inet 192.168.3.244 netmask 0xffffff00 broadcast 192.168.3.255
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
Вот тесты iperf:
Код:

Типа гигабитный:
iperf -c 10.61.75.45 -P 1 -i 1 -p 5001 -C -f m -t 10
Client connecting to 10.61.75.45, TCP port 5001
TCP window size: 0.01 MByte (default)
47.8 Mbits/sec
стомегабитный:
iperf -c 192.168.3.244 -P 1 -i 1 -p 5001 -C -f m -t 10
Client connecting to 192.168.3.244, TCP port 5001
78.4 Mbits/sec