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gentoo 绑定网卡丢包

tag-icon • tag-icon linux gentoo
gentoo 绑定网卡丢包

我在 gentoo 中绑定了两个网卡，eth2 和 eth3 绑定到 bond0。为了实现冗余，eth2 连接到不同的交换机，eth2 处于待机模式，eth3 处于活动模式。eth3 运行良好，没有丢包，但 eth2 不断丢包。我交换了电缆并检查了交换机端口，没有显示任何错误。我在 eth2 上执行了 TCPDUMP，我看到的只有 arp 请求。

eth2：flags=6211 mtu 1500 ether 90：b1：1c：19：59：1e txqueuelen 1000（以太网）RX 数据包 32664867 字节 2090551811（1.9 GiB）RX 错误 0 已删除 32664913 溢出 0 帧 0 TX 数据包 0 字节 0 （0.0 B）TX 错误 0 丢弃 0 溢出 0 载波 0 冲突 0 设备中断 36 内存 0xd7000000-d77fffff

eth3：flags=6211 mtu 1500 ether 90：b1：1c：19：59：1e txqueuelen 1000（以太网）RX 数据包 3186342439 字节 683402238345（636.4 GiB）RX 错误 0 丢弃 0 超限 0 帧 0 TX 数据包 2465388994 字节 575317691871（535.8 GiB）TX 错误 0 下降 0溢出 0 载体 0 冲突 0 设备中断 37 内存 0xd8000000-d87fffff

内核 Linux 3.7.9-gentoo

网络配置

config_eth0="空" config_eth1="空"

config_eth2="null"
config_eth3="null"
slaves_bond0="eth2 eth3"
config_bond0="64.241.127.5/27"
routes_bond0="default via 64.241.127.1"

ethtool 输出

 Settings for eth2:
    Supported ports: [ TP ]
    Supported link modes:   10baseT/Half 10baseT/Full 
                            100baseT/Half 100baseT/Full 
                            1000baseT/Full 
    Supported pause frame use: Symmetric Receive-only
    Supports auto-negotiation: Yes
    Advertised link modes:  10baseT/Half 10baseT/Full 
                            100baseT/Half 100baseT/Full 
                            1000baseT/Full 
    Advertised pause frame use: Symmetric Receive-only
    Advertised auto-negotiation: Yes
    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
    Speed: 1000Mb/s
    Duplex: Full
    Port: Twisted Pair
    PHYAD: 18
    Transceiver: internal
    Auto-negotiation: on
    MDI-X: Unknown
    Supports Wake-on: g
    Wake-on: d
    Current message level: 0x00000000 (0)

    Link detected: yes

Settings for eth3:
    Supported ports: [ TP ]
    Supported link modes:   10baseT/Half 10baseT/Full 
                            100baseT/Half 100baseT/Full 
                            1000baseT/Full 
    Supported pause frame use: Symmetric Receive-only
    Supports auto-negotiation: Yes
    Advertised link modes:  10baseT/Half 10baseT/Full 
                            100baseT/Half 100baseT/Full 
                            1000baseT/Full 
    Advertised pause frame use: Symmetric Receive-only
    Advertised auto-negotiation: Yes
    Link partner advertised link modes:  10baseT/Half 10baseT/Full 
                                         100baseT/Half 100baseT/Full 
                                         1000baseT/Half 1000baseT/Full 
    Link partner advertised pause frame use: No
    Link partner advertised auto-negotiation: Yes
    Speed: 1000Mb/s
    Duplex: Full
    Port: Twisted Pair
    PHYAD: 19
    Transceiver: internal
    Auto-negotiation: on
    MDI-X: Unknown
    Supports Wake-on: g
    Wake-on: d
    Current message level: 0x00000000 (0)

    Link detected: yes

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  • 我认为问题很可能是由来自绑定中的 eth2（备用）从属设备的广播 arp 请求引起的。有人知道如何关闭从属绑定上的广播 arp 吗？

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