H3C交换机与HP交换机MSTP互联典型配置
一 组网需求:
SW-B和SW-C为H3C交换机,充当核心层设备。SW-A为HP交换机,充当接入层设备分别双上联到SW-B和SW-C。三台交换机运行MSTP协议,SW-B为实例0和实例2的主根,实例1的备根;SW-C为实例1的主根,实例0和实例2的备根。不同的VLAN按照不同的生成树实例转发。
instance 0:VLAN 1
instance 1:VLAN 2
instance 2:VLAN 5
二 组网图:
三 配置步骤:
SW-A:
spanning-tree
spanning-tree config-name "abc"
spanning-tree instance 1 vlan 2
spanning-tree instance 2 vlan 5
vlan 1
name "DEFAULT_VLAN"
tagged 1-2
exit
vlan 2
name "VLAN2"
tagged 1-2
exit
vlan 5
name "VLAN5"
tagged 1-2
exit
SW-B:
stp instance 0 root primary
stp instance 1 root secondary
stp instance 2 root primary
stp enable
stp region-configuration
region-name abc
instance 1 vlan 2
instance 2 vlan 5
active region-configuration
interface Ethernet1/0/1
port link-type trunk
port trunk permit vlan 1 to 2 5
interface Ethernet1/0/2
port link-type trunk
port trunk permit vlan 1 to 2 5
SW-C:
stp instance 0 root secondary
stp instance 1 root primary
stp instance 2 root secondary
stp enable
stp region-configuration
region-name abc
instance 1 vlan 2
instance 2 vlan 5
active region-configuration
interface Ethernet1/0/1
port link-type trunk
port trunk permit vlan 1 to 2 5
interface Ethernet1/0/2
port link-type trunk
port trunk permit vlan 1 to 2 5
四 结果验证:
SW-A(config)# show spanning-tree
Port Type | Cost Priority State |
-----------------------------------------------------------------------------
1 10/100TX | 200000 128 Forwarding |
2 10/100TX | 200000 128 Blocking |
SW-A(config)# show spanning-tree instance 1
Port Type Cost Priority Role State
-----------------------------------------------------------------------------------------
1 10/100TX 200000 128 Alternate Blocking
2 10/100TX 200000 128 Root Forwarding
SW-A(config)# show spanning-tree instance 2
Port Type Cost Priority Role State
----------------------------------------------------------------------------------------
1 10/100TX 200000 128 Root Forwarding
2 10/100TX 200000 128 Alternate Blocking
display stp brief MSTID Port Role STP State Protection
0 Ethernet1/0/1 DESI FORWARDING NONE
0 Ethernet1/0/2 DESI FORWARDING NONE
1 Ethernet1/0/1 DESI FORWARDING NONE
1 Ethernet1/0/2 ROOT FORWARDING NONE
2 Ethernet1/0/1 DESI FORWARDING NONE
2 Ethernet1/0/2 DESI FORWARDING NONE
display stp brief MSTID Port Role STP State Protection
0 Ethernet1/0/1 ROOT FORWARDING NONE
0 Ethernet1/0/2 DESI FORWARDING NONE
1 Ethernet1/0/1 DESI FORWARDING NONE
1 Ethernet1/0/2 DESI FORWARDING NONE
2 Ethernet1/0/1 ROOT FORWARDING NONE
2 Ethernet1/0/2 DESI FORWARDING NONE
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