【翰林技术】配置RRPP 单实例单环

组网需求
如图所示，在组网中存在由SwitchA、SwitchB、SwitchC组成的环网结构。对于这种
组网结构，需要当环网完整时，可以避免报文成环；当环网发生故障时，可以实现快速
收敛迅速恢复环网上各节点间的通信。在SwitchA、SwitchB和SwitchC上配置RRPP功
能，可以很好地满足这两个需求。

配置文件
l SwitchA的配置文件
#
sysname SwitchA
#
vlan batch 20 to 21 100 to 300
#
rrpp enable
#
stp region-configuration
instance 1 vlan 20 to 21 100 to 300
active region-configuration
#
rrpp domain 1
control-vlan 20
protected-vlan reference-instance 1
ring 1 node-mode master primary-port GigabitEthernet2/0/1 secondary-port GigabitEthernet2/0/2
level 0
ring 1 enable
#
interface GigabitEthernet2/0/1
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 20 to 21 100 to 300
stp disable
#
interface GigabitEthernet2/0/2
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 20 to 21 100 to 300
stp disable
#
return
l SwitchB的配置文件
#
sysname SwitchB
#
vlan batch 20 to 21 100 to 300
#
rrpp enable
#
stp region-configuration
instance 1 vlan 20 to 21 100 to 300
active region-configuration
#
rrpp domain 1
control-vlan 20
protected-vlan reference-instance 1
ring 1 node-mode transit primary-port GigabitEthernet2/0/1 secondary-port
GigabitEthernet2/0/2 level 0
ring 1 enable
#
interface GigabitEthernet2/0/1
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 20 to 21 100 to 300
stp disable
#
interface GigabitEthernet2/0/2
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 20 to 21 100 to 300
stp disable
#
return
l SwitchC的配置文件
#
sysname SwitchC
#
vlan batch 20 to 21 100 to 300
#
rrpp enable
#
stp region-configuration
instance 1 vlan 20 to 21 100 to 300
active region-configuration
#
rrpp domain 1
control-vlan 20
protected-vlan reference-instance 1
ring 1 node-mode transit primary-port GigabitEthernet2/0/1 secondary-port
GigabitEthernet2/0/2 level 0
ring 1 enable
#
interface GigabitEthernet2/0/1
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 20 to 21 100 to 300
stp disable
#
interface GigabitEthernet2/0/2
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 20 to 21 100 to 300
stp disable
#
return
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