Hi all!
Sorry my english. 
so… i have a gigabit switch, and connect 7 windows pc + ipfire server. All pc and the ipfire server have gigabit lan card. when i copy on the network Windows pc - Windows pc the speed is 85-95 MB/s, but when i copy any Windows PC - IP fire server the copy speed is 8-9 MB/s… I try the ipfire cable chane, but didnt change anything, the copy speed is 8-9 MB/s…
[root@wrouter ~]# lspci
00:00.0 Host bridge: Intel Corporation Crystal Well DRAM Controller (rev 08)
00:02.0 VGA compatible controller: Intel Corporation Crystal Well Integrated Graphics Controller (rev 08)
00:03.0 Audio device: Intel Corporation Crystal Well HD Audio Controller (rev 08)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05)
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
00:16.3 Serial controller: Intel Corporation 8 Series/C220 Series Chipset Family KT Controller (rev 04)
00:19.0 Ethernet controller: Intel Corporation Ethernet Connection I218-LM (rev 05)
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d5)
00:1c.1 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #2 (rev d5)
00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #4 (rev d5)
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation QM87 Express LPC Controller (rev 05)
00:1f.2 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 05)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 05)
01:00.0 Network controller: Qualcomm Atheros QCA986x/988x 802.11ac Wireless Network Adapter
02:00.0 Network controller: Qualcomm Atheros AR958x 802.11abgn Wireless Network Adapter (rev 01)
03:00.0 Ethernet controller: Intel Corporation I211 Gigabit Network Connection (rev 03)
[root@wrouter ~]# grep DRIVER /sys/class/net/*/device/uevent
/sys/class/net/blue0/device/uevent:DRIVER=ath9k
/sys/class/net/green0/device/uevent:DRIVER=igb
/sys/class/net/red0/device/uevent:DRIVER=e1000e
/sys/class/net/wlan0/device/uevent:DRIVER=ath10k_pci
[root@wrouter ~]# ethtool green0
Settings for green0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
MDI-X: on (auto)
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
I try change the MTU 9000, but no change…
[root@wrouter ~]# ip link show | grep mtu
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
2: green0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
3: red0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
4: blue0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
5: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000
6: ppp0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1492 qdisc fq_codel state UNKNOWN mode DEFAULT group default qlen 3
7: ifb0: <BROADCAST,NOARP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 32
8: ifb1: <BROADCAST,NOARP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 32
10: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1400 qdisc fq_codel state UNKNOWN mode DEFAULT group default qlen 100