我刚刚将我的 realtek r8125 NIC 安装到我的 ubuntu 16.04 服务器中，并将其连接到 QNAP QSW-1105-5T 交换机，然后连接到同样具有 realtek r8125 NIC 的 Windows 机器。
然而速度只有 160MBps，我期望速度会更高：这是 Ubuntu 机器：
@MediaServer:~$ sudo uname -a
Linux MediaVault 4.4.0-209-generic #241-Ubuntu SMP Tue Apr 13 01:06:06 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
@MediaServer:ethtool enp30s0
Settings for enp30s0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
2500baseX/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
2500baseX/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes
Speed: 2500Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
MDI-X: Unknown
Cannot get wake-on-lan settings: Operation not permitted
Current message level: 0x00000033 (51)
drv probe ifdown ifup
Link detected: yes
@MediaServer: lspci -knn |grep Eth
1e:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. Device [10ec:8125]
Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:0123]
Kernel driver in use: r8125
Kernel modules: r8125
1f:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. Device [10ec:8125]
Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:0123]
Kernel driver in use: r8125
Kernel modules: r8125
@MediaServer:~$ modinfo r8125
filename: /lib/modules/4.4.0-209-generic/kernel/drivers/net/ethernet/realtek/r8125.ko
version: 9.005.01-NAPI
license: GPL
description: Realtek RTL8125 2.5Gigabit Ethernet driver
author: Realtek and the Linux r8125 crew <[email protected]>
srcversion: ED7801579D65D476553804B
alias: pci:v000010ECd00003000sv*sd*bc*sc*i*
alias: pci:v000010ECd00008125sv*sd*bc*sc*i*
depends:
retpoline: Y
vermagic: 4.4.0-209-generic SMP mod_unload modversions
parm: speed_mode:force phy operation. Deprecated by ethtool (8). (uint)
parm: duplex_mode:force phy operation. Deprecated by ethtool (8). (uint)
parm: autoneg_mode:force phy operation. Deprecated by ethtool (8). (uint)
parm: advertising_mode:force phy operation. Deprecated by ethtool (8). (uint)
parm: aspm:Enable ASPM. (int)
parm: s5wol:Enable Shutdown Wake On Lan. (int)
parm: s5_keep_curr_mac:Enable Shutdown Keep Current MAC Address. (int)
parm: rx_copybreak:Copy breakpoint for copy-only-tiny-frames (int)
parm: use_dac:Enable PCI DAC. Unsafe on 32 bit PCI slot. (int)
parm: timer_count:Timer Interrupt Interval. (int)
parm: eee_enable:Enable Energy Efficient Ethernet. (int)
parm: hwoptimize:Enable HW optimization function. (ulong)
parm: s0_magic_packet:Enable S0 Magic Packet. (int)
parm: tx_no_close_enable:Enable TX No Close. (int)
parm: enable_ptp_master_mode:Enable PTP Master Mode. (int)
parm: debug:Debug verbosity level (0=none, ..., 16=all) (int)
@MediaServer:~$ sudo hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 19098 MB in 1.99 seconds = 9575.62 MB/sec
Timing buffered disk reads: 624 MB in 3.01 seconds = 207.38 MB/sec
administrator@MediaVault:~$ sudo hdparm -tT /dev/mapper/
control cryptswap1 Enc5
@MediaServer:~$ sudo hdparm -tT /dev/mapper/Enc5
/dev/mapper/Enc5:
Timing cached reads: 19454 MB in 1.99 seconds = 9755.55 MB/sec
Timing buffered disk reads: 1496 MB in 3.00 seconds = 498.29 MB/sec
主磁盘是一个旧的 SSD，尽管我实际上是从 Enc5 raid 5 磁盘获取数据的，这些磁盘可以轻松推动 500MB/秒
我是否遗漏了某些可能提高速度的驱动程序或设置？
容量 sudo lshw -class network
只有 1GBPS，我该如何解决这个问题？
显示：
description: Ethernet interface
product: Realtek Semiconductor Co., Ltd.
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:1e:00.0
logical name: enp30s0
version: 00
serial: 00:13:3b:b0:2f:a2
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8125 driverversion=9.005.01-NAPI duplex=full ip=192.168.0.10 latency=0 link=yes multicast=yes port=twisted pair
resources: irq:19 ioport:d000(size=256) memory:f8000000-f800ffff memory:f8010000-f8013fff memory:f8020000-f802ffff memory:f8030000-f809ffff memory:f80a0000-f80bbfff
*-network
description: Ethernet interface
product: Realtek Semiconductor Co., Ltd.
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:1f:00.0
logical name: enp31s0
version: 00
serial: 00:13:3b:b0:2f:a3
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8125 driverversion=9.005.01-NAPI latency=0 link=no multicast=yes port=twisted pair
resources: irq:19 ioport:e000(size=256) memory:f8100000-f810ffff memory:f8110000-f8113fff memory:f8120000-f812ffff memory:f8130000-f819ffff memory:f81a0000-f81bbfff