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<code>ethtool</code><ref>http://man7.org/linux/man-pages/man8/ethtool.8.html</ref> command is used to view and modify network device drivers setting, in particular wired [[Ethernet]] devices. | <code>ethtool</code><ref>http://man7.org/linux/man-pages/man8/ethtool.8.html</ref> command is used to view and modify network device drivers setting, in particular wired [[Ethernet]] devices. | ||
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Actual changes: | Actual changes: | ||
generic-segmentation-offload: on | generic-segmentation-offload: on | ||
− | + | generic-receive-offload: on | |
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* Disable [[TCP checksum]] offloading | * Disable [[TCP checksum]] offloading | ||
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− | + | <code>[[ethtool --show-offload]] eno0</code> | |
== Examples == | == Examples == | ||
* <code>ethtool [[eno]]1</code> | * <code>ethtool [[eno]]1</code> | ||
− | + | <pre> | |
− | + | Settings for eno1: | |
− | + | Supported ports: [ TP ] | |
− | + | Supported link modes: 10baseT/Half 10baseT/Full | |
− | + | 100baseT/Half 100baseT/Full | |
− | + | 1000baseT/Half 1000baseT/Full | |
− | + | Supported pause frame use: No | |
− | + | Supports auto-negotiation: Yes | |
− | + | Supported FEC modes: Not reported | |
− | + | Advertised link modes: 10baseT/Half 10baseT/Full | |
− | + | 100baseT/Half 100baseT/Full | |
− | + | 1000baseT/Half 1000baseT/Full | |
− | + | Advertised pause frame use: Symmetric | |
− | + | Advertised auto-negotiation: Yes | |
− | + | Advertised FEC modes: Not reported | |
− | + | Link partner advertised link modes: 10baseT/Half 10baseT/Full | |
− | + | 100baseT/Half 100baseT/Full | |
− | + | 1000baseT/Full | |
− | + | Link partner advertised pause frame use: No | |
− | + | Link partner advertised auto-negotiation: Yes | |
− | + | Link partner advertised FEC modes: Not reported | |
− | + | Speed: 1000Mb/s | |
− | + | Duplex: Full | |
− | + | Port: Twisted Pair | |
− | + | PHYAD: 4 | |
− | + | Transceiver: internal | |
− | + | Auto-negotiation: on | |
− | + | MDI-X: off | |
− | + | Supports Wake-on: g | |
− | + | Wake-on: g | |
− | + | Current message level: 0x000000ff (255) | |
− | + | drv probe link timer ifdown ifup rx_err tx_err | |
− | + | Link detected: yes | |
− | + | </pre> | |
+ | <pre> | ||
ethtool eno1 | ethtool eno1 | ||
Settings for eno1: | Settings for eno1: | ||
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supports-register-dump: yes | supports-register-dump: yes | ||
supports-priv-flags: no | supports-priv-flags: no | ||
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== Related terms == | == Related terms == | ||
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== See also == | == See also == | ||
− | * {{ | + | * {{TCP}} |
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* {{Linux ethernet}} | * {{Linux ethernet}} | ||
+ | * {{MII}} | ||
* {{ethernet}} | * {{ethernet}} | ||
[[Category:networking]] | [[Category:networking]] |
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