今天小編給大家分享一下如何查看linux是不是萬(wàn)兆網(wǎng)的相關(guān)知識(shí)點(diǎn),內(nèi)容詳細(xì),邏輯清晰,相信大部分人都還太了解這方面的知識(shí),所以分享這篇文章給大家參考一下,希望大家閱讀完這篇文章后有所收獲,下面我們一起來(lái)了解一下吧。
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查看linux是不是萬(wàn)兆網(wǎng)的方法:1、通過(guò)ethtool和lspci命令查看網(wǎng)卡是千兆還是萬(wàn)兆網(wǎng)卡;2、通過(guò)ifconfig命令查看機(jī)器網(wǎng)絡(luò)端口,然后執(zhí)行“sudo ethtool eno1”命令查看網(wǎng)絡(luò)帶寬是千兆還是萬(wàn)兆即可。
Linux查看網(wǎng)卡是千兆還是萬(wàn)兆網(wǎng)卡
目前用過(guò)的兩個(gè)命令:
1、ethtool
ethtool 網(wǎng)絡(luò)接口名
#ethtool em4
Settings for em4:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
MDI-X: Unknown
Supports Wake-on: g
Wake-on: d
Link detected: yes
2、lspci
當(dāng)前是博通BCM5709千兆網(wǎng)卡Gigabit(萬(wàn)兆網(wǎng)卡顯示為10-Gigabit)
#lspci -vvv | grep Ethernet
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 GigabitEthernet (rev 20)
Subsystem: Dell PowerEdge R710 BCM5709 Gigabit Ethernet
Product Name: Broadcom NetXtreme II Ethernet Controller
01:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit Ethernet (rev 20)
Subsystem: Dell PowerEdge R710 BCM5709 Gigabit Ethernet
Product Name: Broadcom NetXtreme II Ethernet Controller
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit Ethernet (rev 20)
Subsystem: Dell PowerEdge R710 BCM5709 Gigabit Ethernet
Product Name: Broadcom NetXtreme II Ethernet Controller
02:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit Ethernet (rev 20)
Subsystem: Dell PowerEdge R710 BCM5709 Gigabit Ethernet
Product Name: Broadcom NetXtreme II Ethernet Controller
pcilib: sysfs_read_vpd: read failed: Connection timed out
小知識(shí):
Gigabit是數(shù)據(jù)存儲(chǔ)的單位,通常用符號(hào)Gbit或Gb表示。它的換算公式:1 Gb = 10的9次方 bits = 1,000,000,000 bits 。
另一個(gè)常見(jiàn)的單位是Gibibit,gibibit是用來(lái)表示二進(jìn)制換算的,1 gibibit = 2的30次方 bits = 1,073,741,824 bits。
Linux 查看網(wǎng)絡(luò)帶寬是千兆還是萬(wàn)兆
首先查看機(jī)器網(wǎng)絡(luò)端口
[root@namenode ~]# ifconfig
eno1: flags=4163
查看端口帶寬(root或sudo權(quán)限),通過(guò)下面輸出可以看到speed那一行,表示千兆網(wǎng)。
[root@namenode ~]# sudo ethtool eno1
Settings for eno1:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
MDI-X: off (auto)
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
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