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H3C S7000/S7500E/10500系列堆叠后BFD检测配置方法
2022-07-07 18:14:00 【优质网络系统领域创作者】
1 配置需求或说明
1.1 适用产品系列
本案例适用于如S7006、S7503E、S7506E、S7606、S10510、S10508等S7000、S7500E、S10500系列,且软件版本是V7的交换机
1.2 配置需求及实现的效果
核心设备Device A和Device B配置IRF,为了防止万一IRF链路故障导致IRF分裂、网络中存在两个配置冲突的IRF,需要启用MAD检测功能,采用BFD MAD检测方式来监测IRF的状态,IRF分裂后,通过分裂检测机制IRF会检测到网络中存在其它处于Active状态,冲突处理会让Master成员编号最小的IRF继续正常工作,其它IRF会迁移到Recovery状态(表示IRF处于禁用状态),并关闭Recovery状态IRF中所有成员设备上除保留端口以外的其它所有物理端口
2 组网图
配置步骤
3 配置步骤
3.1 交换机DeviceA、B堆叠配置
具体配置可参考交换机虚拟化配置举例,本章不做介绍。
3.2 配置BFD MAD
创建VLAN 3,并将Device A上的端口GigabitEthernet1/0/1和Device B上的端口GigabitEthernet2/0/1加入VLAN3中。
system-view
[DeviceA] vlan 3
[DeviceA-vlan3] port gigabitethernet 1/0/1 gigabitethernet 2/0/1
[DeviceA-vlan3] quit
创建VLAN接口3,并配置MAD IP地址。
[DeviceA] interface vlan-interface 3
[DeviceA-Vlan-interface3] mad bfd enable
[DeviceA-Vlan-interface3] mad ip address 192.168.2.1 24 member 1
[DeviceA-Vlan-interface3] mad ip address 192.168.2.2 24 member 2
[DeviceA-Vlan-interface3] quit
因为BFD MAD和生成树功能互斥,所以在GigabitEthernet1/0/1和GigabitEthernet2/0/1上关闭生成树协议。
[Sysname] interface gigabitethernet 1/0/1
[Sysname-gigabitethernet1/0/1] undo stp enable
[Sysname-gigabitethernet1/0/1] quit
[Sysname] interface gigabitethernet 2/0/1
[Sysname-gigabitethernet2/0/1] undo stp enable
3.3 保存配置
save force
3.4 实验结果验证
[H3C]display mad
MAD ARP disabled.
MAD ND disabled.
MAD LACP disabled.
MAD BFD enabled.
[H3C]display mad verbose
Multi-active recovery state: No
Excluded ports (user-configured):
Excluded ports (system-configured):
Ten-GigabitEthernet1/1/2
Ten-GigabitEthernet2/1/1
MAD ARP disabled.
MAD ND disabled.
MAD LACP disabled.
MAD BFD enabled interface: Vlan-interface3
MAD status : Faulty \MAD状态为:Faulty状态说明堆叠分裂
Member ID MAD IP address Neighbor MAD status
1 192.168.2.1/24 2 Faulty
此时使用“display interface brief down”查看端口时发现端口全部被关闭,状态为mad shutdown
display interface brief down
Brief information on interfaces in route mode:
Link: ADM - administratively down; Stby - standby
Interface Link Cause
GE2/0/2 DOWN MAD ShutDown
GE2/0/3 DOWN MAD ShutDown
3.5 注意事项
1、 BFD MAD和STP功能互斥,用于BFD MAD检测的端口不能使能STP功能
2、 使能BFD MAD检测功能的三层接口只能专用于BFD MAD检测,不允许运行其它业务。如果配置了其它业务,可能会影响该业务以及BFD MAD检测功能的运行
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