H3C学习 | 配置命令 | IRF用LACP MAD检测配置
H3C学习 | 配置命令 | IRF用LACP MAD检测配置
A和B做IRF C为中间设备，C和AB相连的端口分别是4/0/1 4/0/2 ，AB和C相连的端口分别是 1/4/0/1 2/4/0/2
配置LACP MAD检测
# 创建一个动态聚合接口，并使能LACP MAD检测功能。
<DeviceA> system-view
[DeviceA] interface bridge-aggregation 2
[DeviceA-Bridge-Aggregation2] link-aggregation mode dynamic
[DeviceA-Bridge-Aggregation2] mad enable
[DeviceA-Bridge-Aggregation2] quit# 在聚合接口中添加成员端口1/4/0/2和2/4/0/2，专用于Device A和Device B实现LACP MAD检测。（这两个端口是链接中间设备的端口）
[DeviceA] interface gigabitethernet 1/4/0/2
[DeviceA-GigabitEthernet1/4/0/2] port link-aggregation group 2
[DeviceA-GigabitEthernet1/4/0/2] quit
[DeviceA] interface gigabitethernet 2/4/0/2
[DeviceA-GigabitEthernet2/4/0/2] port link-aggregation group 2(4) 配置中间设备Device C
Device C作为一台中间设备需要支持LACP协议扩展功能，用来转发、处理LACP协议报文，协助Device A和Device B进行多Active检测。从节约成本的角度考虑，使用一台支持LACP协议扩展功能的交换机即可。
# 创建一个动态聚合接口。
<DeviceC> system-view
[DeviceC] interface bridge-aggregation 2
[DeviceC-Bridge-Aggregation2] link-aggregation mode dynamic
[DeviceC-Bridge-Aggregation2] quit# 在聚合接口中添加成员端口GigabitEthernet4/0/1和GigabitEthernet4/0/2，用于帮助LACP MAD检测。
[DeviceC] interface gigabitethernet 4/0/1
[DeviceC-GigabitEthernet4/0/1] port link-aggregation group 2
[DeviceC-GigabitEthernet4/0/1] quit
[DeviceC] interface gigabitethernet 4/0/2
[DeviceC-GigabitEthernet4/0/2] port link-aggregation group 2(5) 当IRF链路出现故障后，系统将输出IRF链路状态错误提示，以及单板失效提示。
#May 7 09:13:42:388 2010 H3C STM/4/LINK STATUS CHANGE:
Trap 1.3.6.1.4.1.2011.10.2.91.6.0.1<h3cStackPortLinkStatusChange>: Physical index of the member is 2, member ID is 1. Link status of the IRF port with port index 1 and member ID 1 turned to 2.
#May 7 09:13:42:720 2010 H3C DEVM/1/BOARD STATE CHANGES TO FAILURE:# 由于DeviceB的成员编号为2，因此在MAD冲突后将变为Recovery状态，设备上除保留端口之外的端口都会处于关闭状态。
# 如果此时Master设备也发生了故障，您可以登录到DeviceB的Console口（系统名称仍保持为DeviceA），使用mad restore命令先将DeviceB恢复为Active状态，启动被关闭的接口。
<DeviceA> system-view
[DeviceA] mad restore
This command will restore the device from multi-active conflict state. Continue? [Y/N]:y
Restoring from multi-active conflict state, please wait...
[DeviceA]#May 7 09:23:16:050 2010 H3C IFNET/4/INTERFACE UPDOWN:
Trap 1.3.6.1.6.3.1.1.5.4<linkUp>: Interface 277872640 is Up, ifAdminStatus is 1, ifOperStatus is 1
%May 7 09:23:16:069 2010 H3C IFNET/3/LINK_UPDOWN: GigabitEthernet2/3/0/2 link status is UP.
#May 7 09:23:16:302 2010 H3C LAGG/1/AggPortRecoverActive:
Trap 1.3.6.1.4.1.2011.5.25.25.2.4<hwAggPortActiveNotification>: Aggregation Group 1: port member 277872640 becomes ACTIVE!
%May 7 09:23:16:322 2010 H3C LAGG/5/LAGG_ACTIVE: Member port GigabitEthernet2/3/0/1 of aggregation group BAGG1 becomes ACTIVE.
%May 7 09:23:16:370 2010 H3C IFNET/3/LINK_UPDOWN: Bridge-Aggregation2 link status is UP.
%May 7 09:23:16:381 2010 H3C IFNET/3/LINK_UPDOWN: Vlan-interface1 link status is UP.
%May 7 09:23:16:391 2010 H3C IFNET/5/LINEPROTO_UPDOWN: Line protocol on the interface Vlan-interface1 is UP.通过以上信息可以得知，DeviceB已经恢复在网络中的功能，此时您可以修复DeviceA设备及IRF链路。
当DeviceA设备及IRF链路均已修复后，重启DeviceA设备，DeviceB上将输出IRF端口状态恢复及插入新单板的提示信息。
%May 7 09:30:12:122 2010 H3C STM/6/STM_LINK_STATUS_UP:
IRF port 2 is up.
#May 7 09:30:36:566 2010 H3C DEVM/1/BOARD INSERTED:此时通过display irf命令的显示信息，可以看到IRF系统已经恢复，DeviceB为Master设备，DeviceA变为Slave。