2019-10-31 19:33:56 -04:00
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# ethtool
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> Display and modify Network Interface Controller (NIC) parameters.
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2024-10-12 10:02:00 +02:00
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> More information: <https://manned.org/ethtool>.
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2019-10-31 19:33:56 -04:00
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2021-02-24 11:30:45 -05:00
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- Display the current settings for an interface:
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`ethtool {{eth0}}`
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- Display the driver information for an interface:
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2025-04-20 00:21:53 +03:00
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`ethtool {{[-i|--driver]}} {{eth0}}`
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2021-02-24 11:30:45 -05:00
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2022-01-01 05:59:32 +05:30
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- Display all supported features for an interface:
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2025-04-20 00:21:53 +03:00
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`ethtool {{[-k|--show-features]}} {{eth0}}`
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2022-01-01 05:59:32 +05:30
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2021-02-24 11:30:45 -05:00
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- Display the network usage statistics for an interface:
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2025-04-20 00:21:53 +03:00
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`ethtool {{[-S|--statistics]}} {{eth0}}`
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2021-02-24 11:30:45 -05:00
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- Blink one or more LEDs on an interface for 10 seconds:
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2025-04-20 00:21:53 +03:00
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`ethtool {{[-p|--identify]}} {{eth0}} {{10}}`
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2021-02-24 11:30:45 -05:00
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2021-05-20 16:13:41 -04:00
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- Set the link speed, duplex mode, and parameter auto-negotiation for a given interface:
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2019-10-31 19:33:56 -04:00
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2025-04-20 00:21:53 +03:00
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`ethtool {{[-s|--change]}} {{eth0}} speed {{10|100|1000}} duplex {{half|full}} autoneg {{on|off}}`
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