三层交换机配置MSTP组 关于交换机STP与MSTP配置
\u601d\u79d1\u4ea4\u6362\u673a\u5173\u4e8eMSTP\u7684\u914d\u7f6e\u547d\u4ee41\u3001\u9996\u5148\u6211\u4eec\u6309\u7740\u5982\u4e0b\u56fe\u6240\u793a\u642d\u5efa\u4e00\u4e2a\u5b9e\u9a8c\u7684\u62d3\u6251\u56fe\u3002
2\u3001\u6309\u7740\u4e0a\u9762\u7684\u62d3\u6251\u56fe\u6211\u4eec\u9996\u5148\u914d\u7f6e\u63a5\u5165\u5c42\u4ea4\u6362\u673a\u7684\u57fa\u672c\u914d\u7f6e\u4fe1\u606f\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u5148\u5c06\u63a5\u5165\u7684PC\u7684\u63a5\u53e3\u914d\u7f6e\u597d\u3002
3\u3001\u5c06\u4e00\u53f0\u63a5\u5165\u5c42 \u4ea4\u6362\u673a\u548c\u4e24\u53f0\u6838\u5fc3\u4ea4\u6362\u673a\u7684\u751f\u6210\u6811\u6a21\u5f0f\u90fd\u4fee\u6539\u4e3aMSTP\u591a\u5b9e\u4f8b\u751f\u6210\u6811\u6a21\u5f0f\u3002
4\u3001\u63a5\u7740\u6211\u4eec\u5c31\u9700\u8981\u914d\u7f6e\u4e09\u53f0\u4ea4\u6362\u673a\u4e4b\u95f4\u7684\u94fe\u8def\u6a21\u5f0f\u4ee5\u53ca\u5c01\u88c5\u4e86\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u5728\u4e24\u4e24\u4e4b\u95f4\u76f8\u8fde\u7684\u7ebf\u8def\u4e0a\u90fd\u9700\u914d\u7f6e\u6210TRUNK\u6a21\u5f0f\u3002
5\u3001\u5728\u6838\u5fc3\u4ea4\u6362\u673a\u4e0a\u8fd0\u884cVTP\u534f\u8bae\uff0c\u662f\u7684\u4e09\u4e2a\u4ea4\u6362\u673aVLAN \u4fe1\u606f\u53ef\u4ee5\u540c\u6b65\u3002
6\u3001\u6211\u4eec\u8bbe\u8ba1\u5c06VLAN 10,VLAN 20\u5206\u5230\u4e00\u4e2a\u5b9e\u4f8b12\u4e2d\uff0c\u5c06VLAN 30\uff0cVLAN 40\u5206\u5230\u53e6\u4e00\u4e2a\u5b9e\u4f8b34\u4e2d\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u6211\u4eec\u5f00\u59cb\u914d\u7f6eMSTP\u3002
7\u3001\u73b0\u5728\u6211\u4eec\u6765\u67e5\u770b\u63a5\u5165\u5c42\u4ea4\u6362\u673a\u7684\u751f\u6210\u6811\u72b6\u6001\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u6211\u4eec\u53ef\u4ee5\u770b\u5728\u5b9e\u4f8b12\u4e2d\u4ea4\u6362\u673a\u7684E0/1\u53e3\u4e3aAP\uff0c\u5728\u5b9e\u4f8b34\u4e2d\u4ea4\u6362\u673a\u7684E0/0\u53e3\u4e3aAP\uff0c\u5b9e\u73b0\u4e86\u4e92\u4e3a\u4e3b\u5907\u7684\u5173\u7cfb\uff0c\u8ba9\u4ea4\u6362\u7f51\u7edc\u5b9e\u73b0\u7684\u8d1f\u8f7d\u5747\u8861\u3002
stp\u90fd\u662f\u81ea\u5e26\u7684 \u4f60\u4e0d\u7528\u914d\u7f6e\u62d6\u8fdb\u53bb \u4ea4\u6362\u673a\u5c31\u81ea\u5df1\u9009\u6839\u6865 \u9009\u7aef\u53e3\u89d2\u8272\u4e86 \u81f3\u4e8e mstp \u8fd9\u4e2a\u6a21\u62df\u5668\u6839\u672c\u4e0d\u652f\u6301\u8be5\u534f\u8bae \u591a\u4ee5 \u8ddf\u672c\u914d\u4e0d\u4e86\uff01\uff01
全是锐捷的命令采用生成树协议只能做到链路级备份,无法做到网关级备份.
MSTP与VRRP结合可以同时做到链路备份与网关级备份,极大地提高了网络的健壮性.
配置要求:vlan 10以SW1为根桥,并且相应的VRRP Master也在SW1上, vlan 20以SW2为根桥,并且相应的VRRP Master也在SW2上。
配置VRRP+MSTP的重要原则是：在进行MSTP和VRRP结合配置使用时,需要注意的就是保持各VLAN的根桥与各自的VRRP Master需要保持在同一台三层交换机上。
SW1相关配置
spanning-tree
spanning-tree mst configuration
instance 1 vlan 10
instance 2 vlan 20
name test
revision 1
!
spanning-tree mst 0 priority 4096 (设置SW1的实例1优先级最高，手动指定实例1的根桥为SW1)
spanning-tree mst 1 priority 4096 (设置SW1的实例1优先级最高，手动指定实例1的根桥为SW1)
spanning-tree mst 2 priority 8192
interface FastEthernet 0/1
switchport mode trunk
interface FastEthernet 0/2
switchport mode trunk
interface Vlan 10(设置SW1上VLAN10的VRRP的优先级为150,高于默认的100-SW2上的VLAN10的VRRP优先级为100)
ip address 192.168.10.2 255.255.255.0
standby 10 ip 192.168.10.1
standby 10 priority 150
!
interface Vlan 20
ip address 192.168.20.3 255.255.255.0
standby 20 ip 192.168.20.1
SW2相关配置
spanning-tree
spanning-tree mst configuration
instance 1 vlan 10
instance 2 vlan 20
name test
revision 1
!
spanning-tree mst 0 priority 8192
spanning-tree mst 1 priority 8192
spanning-tree mst 2 priority 4096 (设置SW1的实例1优先级最高，手动指定实例1的根桥为SW1)
interface FastEthernet 0/1
switchport mode trunk
interface FastEthernet 0/2
switchport mode trunk
interface Vlan 10
ip address 192.168.10.3 255.255.255.0
standby 10 ip 192.168.10.1
!
interface Vlan 20(设置SW1上VLAN10的VRRP的优先级为150,高于默认的100)
ip address 192.168.20.2 255.255.255.0
standby 20 ip 192.168.20.1
standby 20 priority 150
SW3相关配置
spanning-tree
spanning-tree mst configuration
instance 1 vlan 10
instance 2 vlan 20
name test
revision 1
!
interface fastEthernet 0/1
switchport mode trunk
!
interface fastEthernet 0/2
switchport mode trunk
VRRP协议状态检查
SW1#sh standby
If Group State Priority Preempt Interval Virtual IP Auth
------- ----- ------ -------- ------- -------- --------------- --------
VL10 10 master 150 may 1 192.168.10.1
VL20 20 backup 100 may 1 192.168.20.1
SW2#sh standby
If Group State Priority Preempt Interval Virtual IP Auth
------- ----- ------ -------- ------- -------- --------------- --------
VL10 10 backup 100 may 1 192.168.10.1
VL20 20 master 150 may 1 192.168.20.1
生成树协议状态检查
实例1的根桥在SW1上，实例2的根桥在SW2上。
各端口的生成树状态
SW1上的两个接口F0/1和F0/2的生成树协议状态
SW2 上各接口的生成树协议状态
SW3的各接口的生成树协议状态
确认状态无误后，那么这种VRRP+MSTP的协议组合将可以实现冗余备份和负载均衡的双重功能。
啊大地
具体配置 看bcmsn有实例
你设置了vtp domain没？
vtp server 的vtp domain要和vtp client 的vtp domain相同。
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