pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.11.0-40-generic 52:54:00:5a:47:3b size: 10Mbit/s capabilities: ethernet physical configuration: autonegotiation
-v eth0: negotiated 100baseTx-FD, link ok product info: vendor 00:50:43, model 2 rev 3 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 100baseTx-HD 10baseT-FD 10baseT-HD eth1: no link product info: vendor 00:50:43, model 2 rev 3 basic mode: autonegotiation
twisted pair, Port hardwaretype is 100_BASE_TX 100Mbps-speed mode, full-duplex mode Link speedtype is autonegotiation , link duplex type is autonegotiation 从如上显示信息可以看到端口的状态、物理MAC地址、连接的线缆类型以及端口的双工与速率。 根据该命令输出请补充如下的空格: 100Mbps-speedmode, full-duplex mode Link speed type is force link, linkduplex type is autonegotiation
v eth0: negotiated 100baseTx-FD, link ok product info: vendor 00:50:43, model 2 rev 3 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 100baseTx-HD 10baseT-FD 10baseT-HD eth1: no link product info: vendor 00:50:43, model 2 rev 3 basic mode: autonegotiation
, 100baseTx-FD, link ok [root@rac122a ~]# mii-tool eth1 eth1: autonegotiation restarted, no link [root @rac122b ~]# mii-tool eth0 eth0: no autonegotiation, 100baseTx-FD, link ok [root@rac122b ~]# mii-tool eth1 eth1: autonegotiation restarted, no link 可以看到在脚本运行后,私网网卡eth1显示为no link表示网线没有连接到网卡中,即我们认为心跳网络出现故障 , 100baseTx-FD, link ok [root@rac122a ~]# mii-tool eth1 eth1: no autonegotiation, 100baseTx-FD, link ok [root@rac122b ~]# mii-tool eth0 eth0: no autonegotiation, 100baseTx-FD, link ok [root@rac122b ~]#
: negotiated 1000baseT-FD flow-control, link ok product info: Yukon 88E1011 rev 3 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 1000baseT-FD 100baseTx-FD
-----lwIP Socket Mode TCP Server Application------ Start PHY autonegotiation Waiting for PHY to complete autonegotiation. autonegotiation complete link speed for phy address 0: 100 ERROR: DHCP request timed
一、关于 ethtool: 获取设备信息及诊断信息 获取设备统计数据 控制因特网设备速率(speed)、全双工(duplex)、自动协商(autonegotiation)、流控(flow
msix pciexpress vpd bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=igb driverversion=5.19.0-32-generic duplex msix pciexpress vpd bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=igb driverversion=5.19.0-32-generic firmware
EthHandle.Instance = ETH; EthHandle.Init.MACAddr = (rt_uint8_t *)&stm32_eth_device.dev_addr[0]; EthHandle.Init.AutoNegotiation = ETH_AUTONEGOTIATION_DISABLE; EthHandle.Init.Speed = ETH_SPEED_100M; EthHandle.Init.DuplexMode = ETH_MODE_FULLDUPLEX
MultiGBAE-T工作于“兼容模式”时(Base Page + Next Pages): 主要靠设置MultiGBASE-T的“本地控制寄存器Copper Autonegotiation Advertisement
MultiGBAE-T工作于“兼容模式”时(Base Page + Next Pages): 主要靠设置MultiGBASE-T的“本地广告能力寄存器Copper Autonegotiation Advertisement
. */ /* get transmission control word but keep the autonegotiation bits */
: negotiated 1000baseT-FD flow-control, link ok product info: Yukon 88E1011 rev 3 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 1000baseT-FD 100baseTx-FD
Fiber-Optic. 11 802.3u 1995 100BASE-TX, 100BASE-T4, 100BASE-FX Fast Ethernet at 100 Mbit/s (12.5 MB/s) w/o autonegotiation
negotiated 100baseTx-FD, link ok # 百兆 # product info: vendor 00:aa:00, model 57 rev 0 # basic mode: autonegotiation enabled # basic status: autonegotiation complete, link ok # capabilities: 100baseTx-FD 100baseTx-HD
twisted pair Port hardware type is 100_BASE_T Unknown-speed mode, unknown-duplex mode Link speed type is autonegotiation , link duplex type is autonegotiation Flow-control is not enabled The Maximum Frame Length is 1536 Broadcast
支持自协商(Autonegotiation)的以太网接口则在链路UP之前发送FLP(Fast Link Pulse),FLP实际上是一组LTP和数据脉冲的组合,它们表明一种含义:例如我支持100M全双工