二层环路保护，RRPP多环的配置

　　作者:邓聪聪

　　组网需求：

　　　　局域网中，由A/B/C/D构成RRPP域1换网络结构，要求环网机构中的任意两条线路中断都不能影响业务。

　　配置思路：

　　　　环路由两部分组成，ring1、ring2，B为环1的主节点，G0/0/2为主端口，G0/0/3为阻塞口，A的G0/0/1为传输节点，G/0/0/2为阻塞口，D的G0/0/3为传输节点，G0/0/1为阻塞端口。C的G0/0/1为环2的主节点，G0/0/2为阻塞端口，B的G0/0/3口是主边缘端口，G0/0/1为阻塞口，D的G0/0/3口为副边缘端口，G0/0/2为阻塞口

配置文件：

A设备：
rrpp enable
rrpp domain 1control-vlan 4093protected-vlan reference-instance 0ring 1 node-mode transit primary-port GigabitEthernet0/0/1 secondary-port Gigab
itEthernet0/0/2 level 0ring 1 enable
#
interface Vlanif1ip address 1.1.1.2 255.255.255.0
#
interface GigabitEthernet0/0/1port link-type trunkport trunk allow-pass vlan 4093 to 4094stp disable
#
interface GigabitEthernet0/0/2port link-type trunkport trunk allow-pass vlan 4093 to 4094stp disable
B设备：

rrpp enable
#
rrpp domain 1
control-vlan 4093
protected-vlan reference-instance 0
ring 1 node-mode master primary-port GigabitEthernet0/0/2 secondary-port Gigabi
tEthernet0/0/3 level 0
ring 1 enable
ring 2 node-mode edge common-port GigabitEthernet0/0/3 edge-port GigabitEtherne
t0/0/1
ring 2 enable
#
drop-profile default
#
interface Vlanif1
ip address 1.1.1.1 255.255.255.0

interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 4094
stp disable
#
interface GigabitEthernet0/0/2
shutdown
port link-type trunk
port trunk allow-pass vlan 4093 to 4094
stp disable
#
interface GigabitEthernet0/0/3
shutdown
port link-type trunk
port trunk allow-pass vlan 4093 to 4094
stp disable

C设备：

rrpp enable
#
rrpp domain 1
control-vlan 4093
protected-vlan reference-instance 0
ring 2 node-mode master primary-port GigabitEthernet0/0/1 secondary-port Gigabi
tEthernet0/0/2 level 1
ring 2 enable
#
interface Vlanif1
ip address 1.1.1.3 255.255.255.0
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 4094
stp disable
#
interface GigabitEthernet0/0/2
port link-type trunk
port trunk allow-pass vlan 4094
stp disable

D设备：

rrpp enable
#
rrpp domain 1
control-vlan 4093
protected-vlan reference-instance 0
ring 1 node-mode transit primary-port GigabitEthernet0/0/3 secondary-port Gigab
itEthernet0/0/1 level 0
ring 1 enable
ring 2 node-mode assistant-edge common-port GigabitEthernet0/0/3 edge-port Giga
bitEthernet0/0/2
ring 2 enable
#
interface Vlanif1
ip address 1.1.1.4 255.255.255.0
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 4093 to 4094
stp disable
#
interface GigabitEthernet0/0/2
port link-type trunk
port trunk allow-pass vlan 4094
stp disable
#
interface GigabitEthernet0/0/3
port link-type trunk
port trunk allow-pass vlan 4093 to 4094
stp disable