ethtool

ethtool是用于查询及设置网卡参数的命令。

参数：

ethtool eth*      #查询eth*网口基本设置
ethtool –h        #显示ethtool的命令帮助(help)
ethtool –i eth*    #查询eth*网口的相关信息 
ethtool –d eth*    #查询eth*网口注册性信息
ethtool -p eth*    #点亮网卡
ethtool –r eth*    #重置eth*网口到自适应模式
ethtool –S eth*    #查询eth*网口收发包统计
ethtool –s eth*   [speed 10|100|1000]\         #设置网口速率10/100/1000M
[duplex half|full]\           #设置网口半/全双工
[autoneg on|off]\            #设置网口是否自协商
[port tp|aui|bnc|mii]\         #设置网口类型
[phyad N]\                 
[xcvr internal|exteral]\
[wol p|u|m|b|a|g|s|d...]\
[sopass xx:yy:zz:aa:bb:cc]\
[msglvl N]

最后更新 2022-07-04 16:58:21
合作编辑者如下：张映,player1

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[root@redhat ~]# ethtool eth1         #查询eth1网口基本设置

[root@redhat ~]# ethtool -i eth1      #查询eth1网口相关信息

[root@redhat ~]# ethtool -S eth1       #查询eth1网口收发包统计

[root@redhat ~]# ethtool -s eth1 autoneg off speed 100 duplex full   #设置eth1网口速率

最后更新 2013-05-07 09:54:12 - 合作编辑者如下：张映

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root@c:~# ethtool -k br-prv  #显示网卡详细信息
Features for br-prv:
Cannot get device udp-fragmentation-offload settings: Operation not supported
rx-checksumming: off [fixed]
tx-checksumming: on
	tx-checksum-ipv4: off [fixed]
	tx-checksum-ip-generic: on
	tx-checksum-ipv6: off [fixed]
	tx-checksum-fcoe-crc: off [fixed]
	tx-checksum-sctp: off [fixed]
scatter-gather: on
	tx-scatter-gather: on
	tx-scatter-gather-fraglist: on
tcp-segmentation-offload: on
	tx-tcp-segmentation: on
	tx-tcp-ecn-segmentation: on
	tx-tcp-mangleid-segmentation: on
	tx-tcp6-segmentation: on
udp-fragmentation-offload: off
generic-segmentation-offload: on
generic-receive-offload: on
large-receive-offload: off [fixed]
rx-vlan-offload: off [fixed]
tx-vlan-offload: on
ntuple-filters: off [fixed]
receive-hashing: off [fixed]
highdma: on
rx-vlan-filter: off [fixed]
vlan-challenged: off [fixed]
tx-lockless: on [fixed]
netns-local: off [fixed]
tx-gso-robust: off [fixed]
tx-fcoe-segmentation: off [fixed]
tx-gre-segmentation: on
tx-gre-csum-segmentation: on
tx-ipxip4-segmentation: on
tx-ipxip6-segmentation: on
tx-udp_tnl-segmentation: on
tx-udp_tnl-csum-segmentation: on
tx-gso-partial: off [fixed]
tx-sctp-segmentation: on
tx-esp-segmentation: off [fixed]
fcoe-mtu: off [fixed]
tx-nocache-copy: off
loopback: off [fixed]
rx-fcs: off [fixed]
rx-all: off [fixed]
tx-vlan-stag-hw-insert: on
rx-vlan-stag-hw-parse: off [fixed]
rx-vlan-stag-filter: off [fixed]
l2-fwd-offload: off [fixed]
hw-tc-offload: off [fixed]
esp-hw-offload: off [fixed]
esp-tx-csum-hw-offload: off [fixed]
rx-udp_tunnel-port-offload: off [fixed]

最后更新 2020-06-10 16:02:35 - 合作编辑者如下：felix li

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