小编给大家分享一下Linux常用命令ethtool怎么用,希望大家阅读完这篇文章之后都有所收获,下面让我们一起去探讨吧!

Linux常用命令ethtool命令用于查询ethX网口基本设置、及设置网卡的参数

语法格式:

ethtool [参数]

常用参数:

-i显示网卡驱动的信息-E修改网卡只读存储器字节-K修改网卡 Offload 的状态ethx查询ethx网口基本设置,其中 x 是对应网卡的编号,如eth0、eth2等-s修改网卡的部分配置-t让网卡执行自我检测实例

例1

[root@redhat~]#ethtooleth2#查询eth2网口基本设置[root@redhat~]#ethtool-ieth2#查询eth2网口相关信息[root@redhat~]#ethtool-Seth2#查询eth2网口收发包统计[root@redhat~]#ethtool-seth2autonegoffspeed100duplexfull#设置eth2网口速率

例2

root@c:~#ethtool-kbr-prv#显示网卡详细信息Featuresforbr-prv:Cannotgetdeviceudp-fragmentation-offloadsettings:Operationnotsupportedrx-checksumming:off[fixed]tx-checksumming:ontx-checksum-ipv4:off[fixed]tx-checksum-ip-generic:ontx-checksum-ipv6:off[fixed]tx-checksum-fcoe-crc:off[fixed]tx-checksum-sctp:off[fixed]scatter-gather:ontx-scatter-gather:ontx-scatter-gather-fraglist:ontcp-segmentation-offload:ontx-tcp-segmentation:ontx-tcp-ecn-segmentation:ontx-tcp-mangleid-segmentation:ontx-tcp6-segmentation:onudp-fragmentation-offload:offgeneric-segmentation-offload:ongeneric-receive-offload:onlarge-receive-offload:off[fixed]rx-vlan-offload:off[fixed]tx-vlan-offload:onntuple-filters:off[fixed]receive-hashing:off[fixed]highdma:onrx-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:ontx-gre-csum-segmentation:ontx-ipxip4-segmentation:ontx-ipxip6-segmentation:ontx-udp_tnl-segmentation:ontx-udp_tnl-csum-segmentation:ontx-gso-partial:off[fixed]tx-sctp-segmentation:ontx-esp-segmentation:off[fixed]fcoe-mtu:off[fixed]tx-nocache-copy:offloopback:off[fixed]rx-fcs:off[fixed]rx-all:off[fixed]tx-vlan-stag-hw-insert:onrx-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]

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