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bond

在服务器看来，bond就是多个网口组bond，变成一个虚拟网口，在虚拟网口上设置一个IP地址，虚拟网口拥有更大的带宽。 在交换机看来，bond就是链路聚合，多个端口聚合在一起形成一个更大带宽的链路。 交换机不仅可以本台设备上聚合，还可以跨设备聚合。

服务器的配置

bond的配置目标

+--------------------------------------------------------------------+
|                        交换机                                      |
|                                                                    |
|                 XGigabitEthernet0/0/3        XGigabitEthernet0/0/7 |
|     XGigabitEthernet0/0/1    XGigabitEthernet0/0/5                 |
|         +--+    +--+             +--+      +--+                    |
+--------------------------------------------------------------------+
          +--+    +--+             +--+      +--+
           |       |                |         |
           |       |                |         |
           | bond0 |                |   bond1 |
           |       |                |         |
    +-----++-+----++-+-------------++-+------++-+--------+
    |     |  |    |  |             |  |      |  |        |
    |     +--+    +--+             +--+      +--+        |
    |    enp137s0 enp138s0        enp139s0    enp140s0   |
    |                                                    |
    +----------------------------------------------------+
                   服务器

enp137s0的配置

主要关注MASTER指定为bond0， SLAVE指定为yes

../resources/bond_config/ifcfg-enp137s0

enp138s0的配置

主要关注MASTER指定为bond0， SLAVE指定为yes

../resources/bond_config/ifcfg-enp138s0

enp139s0的配置

主要关注MASTER指定为bond1， SLAVE指定为yes

../resources/bond_config/ifcfg-enp139s0

enp140s0的配置

主要关注MASTER指定为bond1， SLAVE指定为yes

../resources/bond_config/ifcfg-enp140s0

bond0的配置

../resources/bond_config/ifcfg-bond0

bond1的配置

../resources/bond_config/ifcfg-bond1

bonad的配置结果

10: enp137s0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP group default qlen 1000
    link/ether 9c:52:f8:91:c3:c3 brd ff:ff:ff:ff:ff:ff
11: enp138s0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP group default qlen 1000
    link/ether 9c:52:f8:91:c3:c3 brd ff:ff:ff:ff:ff:ff
12: enp139s0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond1 state UP group default qlen 1000
    link/ether 9c:52:f8:91:c3:c5 brd ff:ff:ff:ff:ff:ff
13: enp140s0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond1 state UP group default qlen 1000
    link/ether 9c:52:f8:91:c3:c5 brd ff:ff:ff:ff:ff:ff
14: bond1: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 9c:52:f8:91:c3:c5 brd ff:ff:ff:ff:ff:ff
    inet 128.10.200.10/24 brd 128.10.200.255 scope global noprefixroute bond1
       valid_lft forever preferred_lft forever
    inet6 fe80::9e52:f8ff:fe91:c3c5/64 scope link
       valid_lft forever preferred_lft forever
15: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 9c:52:f8:91:c3:c3 brd ff:ff:ff:ff:ff:ff
    inet 128.10.100.10/24 brd 128.10.100.255 scope global noprefixroute bond0
       valid_lft forever preferred_lft forever
    inet6 fe80::9e52:f8ff:fe91:c3c3/64 scope link
       valid_lft forever preferred_lft forever

网口enp137s0和enp138s0属于bond0，网口enp139s0和enp140s0属于bond1。bond0和bond1是生成的虚拟网口

交换机的配置

交换机配置过程

创建一个trunk接口，设置lacp

interface Eth-Trunk8
 port link-type trunk
 mode lacp
 undo local-preference enable

interface Eth-Trunk9
 port link-type trunk
 mode lacp
 undo local-preference enable

把其中两个接口绑定到eth-trunk 8是bond0。绑定两个接口到eth-trunk 9对应bond1

interface XGigabitEthernet0/0/1
 flow-control
 eth-trunk 8
interface XGigabitEthernet0/0/3
 flow-control
 eth-trunk 8

interface XGigabitEthernet0/0/5
 flow-control
 eth-trunk 9
interface XGigabitEthernet0/0/7
 flow-control
 eth-trunk 9
#

交换机配置结果：

可以看到接口Eth-Trunk8包含了两个10GE口。

[Quidway-Eth-Trunk8]dis interface brief
PHY: Physical
*down: administratively down
(l): loopback
(s): spoofing
(E): E-Trunk down
(b): BFD down
(e): ETHOAM down
(dl): DLDP down
(d): Dampening Suppressed
InUti/OutUti: input utility/output utility
Interface                   PHY   Protocol InUti OutUti   inErrors  outErrors

  XGigabitEthernet0/0/29    up    up          0%     0%          0          0
  XGigabitEthernet0/0/31    up    up          0%     0%          0          0
Eth-Trunk6                  up    up          0%     0%          0          0
  XGigabitEthernet0/0/30    up    up          0%     0%          0          0
  XGigabitEthernet0/0/32    up    up          0%     0%          0          0
Eth-Trunk7                  down  down        0%     0%          0          0
  XGigabitEthernet0/0/34    up    up          0%     0%          0          0
  XGigabitEthernet0/0/36    down  down        0%     0%          0          0
Eth-Trunk8                  up    up       0.02%  0.02%          0          0
  XGigabitEthernet0/0/1     up    up       0.02%  0.02%          0          0
  XGigabitEthernet0/0/3     up    up       0.01%  0.02%          0          0
Eth-Trunk9                  up    up       0.01%  0.01%          0          0
  XGigabitEthernet0/0/5     up    up       0.02%  0.01%          0          0
  XGigabitEthernet0/0/7     up    up       0.01%  0.02%          0          0
Eth-Trunk10                 up    up       0.01%  0.01%          0          0
  XGigabitEthernet0/0/2     up    up          0%  0.01%          0          0
  XGigabitEthernet0/0/4     up    up       0.01%  0.01%          0          0
Eth-Trunk11                 up    up          0%     0%          0          0
  XGigabitEthernet0/0/6     up    up       0.01%     0%          0          0
[Quidway]display eth-trunk 8
Eth-Trunk8's state information is:
Local:
LAG ID: 8                   WorkingMode: LACP
Preempt Delay: Disabled     Hash arithmetic: According to SIP-XOR-DIP
System Priority: 32768      System ID: 94db-da37-c340
Least Active-linknumber: 1  Max Active-linknumber: 8
Operate status: up          Number Of Up Port In Trunk: 2
--------------------------------------------------------------------------------
ActorPortName          Status   PortType PortPri PortNo PortKey PortState Weight
XGigabitEthernet0/0/1  Selected 10GE     32768   15     2113    10111100  1
XGigabitEthernet0/0/3  Selected 10GE     32768   16     2113    10111100  1

Partner:
--------------------------------------------------------------------------------
ActorPortName          SysPri   SystemID        PortPri PortNo PortKey PortState
XGigabitEthernet0/0/1  65535    9c52-f891-c3c3  255     1      15      11111100
XGigabitEthernet0/0/3  65535    9c52-f891-c3c3  255     2      15      11111100

[Quidway]display eth-trunk 9
Eth-Trunk9's state information is:
Local:
LAG ID: 9                   WorkingMode: LACP
Preempt Delay: Disabled     Hash arithmetic: According to SIP-XOR-DIP
System Priority: 32768      System ID: 94db-da37-c340
Least Active-linknumber: 1  Max Active-linknumber: 8
Operate status: up          Number Of Up Port In Trunk: 2
--------------------------------------------------------------------------------
ActorPortName          Status   PortType PortPri PortNo PortKey PortState Weight
XGigabitEthernet0/0/5  Selected 10GE     32768   17     2369    10111100  1
XGigabitEthernet0/0/7  Selected 10GE     32768   18     2369    10111100  1

Partner:
--------------------------------------------------------------------------------
ActorPortName          SysPri   SystemID        PortPri PortNo PortKey PortState
XGigabitEthernet0/0/5  65535    9c52-f891-c3c5  255     1      15      11111100
XGigabitEthernet0/0/7  65535    9c52-f891-c3c5  255     2      15      11111100

[Quidway]

在Eth-Trunk8接口上可以看到学到的服务器mac地址9c52-f891-c3c3；在Eth-Trunk9接口上可以看到学到的服务器mac地址9c52-f891-c3c5

[Quidway]display mac-address
-------------------------------------------------------------------------------
MAC Address    VLAN/VSI                          Learned-From        Type
-------------------------------------------------------------------------------
0000-0000-0316 1/-                               XGE0/0/48           dynamic
0001-0263-0405 1/-                               XGE0/0/48           dynamic
0001-0800-00b6 1/-                               XGE0/0/48           dynamic
9c52-f891-c3c3 1/-                               Eth-Trunk8          dynamic
9c52-f891-c3c5 1/-                               Eth-Trunk9          dynamic
9c52-f892-15f3 1/-                               Eth-Trunk6          dynamic
9c52-f892-4d23 1/-                               Eth-Trunk14         dynamic

删除Eth-Trunk

<HUAWEI> system-view
[~HUAWEI] interface eth-trunk 8
[~HUAWEI-Eth-Trunk8] undo trunkport  XGigabitEthernet0/0/1
[*HUAWEI-Eth-Trunk8] undo trunkport  XGigabitEthernet0/0/3
[~HUAWEI-Eth-Trunk8] quit
[~HUAWEI] undo interface eth-trunk 8
[*HUAWEI] save

其它知识

链路聚合有多种模式，这里使用的是mode4，更多模式相关的内容需要搜索查询。