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今天丸趣 TV 小編給大家分享一下如何查看 linux 是不是萬兆網的相關知識點，內容詳細，邏輯清晰，相信大部分人都還太了解這方面的知識，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，下面我們一起來了解一下吧。
查看 linux 是不是萬兆網的方法：1、通過 ethtool 和 lspci 命令查看網卡是千兆還是萬兆網卡；2、通過 ifconfig 命令查看機器網絡端口，然后執行“sudo ethtool eno1”命令查看網絡帶寬是千兆還是萬兆即可。
Linux 查看網卡是千兆還是萬兆網卡
目前用過的兩個命令：
1、ethtool
ethtool 網絡接口名
#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: yes2、lspci
當前是博通 BCM5709 千兆網卡 Gigabit（萬兆網卡顯示為 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：
Gigabit 是數據存儲的單位，通常用符號 Gbit 或 Gb 表示。它的換算公式：1 Gb = 10 的 9 次方 bits = 1,000,000,000 bits。
另一個常見的單位是 Gibibit，gibibit 是用來表示二進制換算的，1 gibibit = 2 的 30 次方 bits = 1,073,741,824 bits。
Linux 查看網絡帶寬是千兆還是萬兆
首先查看機器網絡端口
[root@namenode ~]# ifconfig
eno1: flags=4163 UP,BROADCAST,RUNNING,MULTICAST mtu 1500
inet 192.168.60.190 netmask 255.255.255.0 broadcast 192.168.80.255
inet6 fe80::b62e:99ff:fe65:3bd6 prefixlen 64 scopeid 0x20 link
ether b4:2e:99:65:3b:d6 txqueuelen 1000 (Ethernet)
RX packets 1034361639 bytes 496433512301 (462.3 GiB)
RX errors 0 dropped 144034 overruns 0 frame 0
TX packets 977985340 bytes 163296216477 (152.0 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 16 memory 0xf7200000-f7220000查看端口帶寬 (root 或 sudo 權限)，通過下面輸出可以看到 speed 那一行，表示千兆網。
[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以上就是“如何查看 linux 是不是萬兆網”這篇文章的所有內容，感謝各位的閱讀！相信大家閱讀完這篇文章都有很大的收獲，丸趣 TV 小編每天都會為大家更新不同的知識，如果還想學習更多的知識，請關注丸趣 TV 行業資訊頻道。
