VRRP+MSTP+BFD

一、组网

二、要求

PC6（vlan 10内PC）访问1.1.1.1走JR-1——CORE1——MSR到1.1.1.1

PC7（vlan 20内PC）访问1.1.1.1走JR-2——CORE2——MSR到1.1.1.1

链路故障时切换路线，来回路径一致

三、配置步骤

SR

 bfd echo-source-ip 10.10.10.10         
#
track 1 bfd echo interface GigabitEthernet0/0 remote ip 172.16.1.2 local ip 172.16.1.1
#
track 2 bfd echo interface GigabitEthernet0/1 remote ip 172.16.1.6 local ip 172.16.1.5

 ip unreachables enable
 ip ttl-expires enable
#
interface LoopBack0
 ip address 1.1.1.1 255.255.255.255
#
interface GigabitEthernet0/0
 port link-mode route
 combo enable copper
 ip address 172.16.1.1 255.255.255.252
#
interface GigabitEthernet0/1
 port link-mode route
 combo enable copper
 ip address 172.16.1.5 255.255.255.252

 ip route-static 10.133.10.0 24 172.16.1.2 track 1
 ip route-static 10.133.10.0 24 172.16.1.6 preference 65
 ip route-static 10.133.20.0 24 172.16.1.6 track 2
 ip route-static 10.133.20.0 24 172.16.1.2 preference 65

CORE1

 bfd echo-source-ip 10.10.10.10
#
track 1 bfd echo interface GigabitEthernet1/0/5 remote ip 172.16.1.1 local ip 172.16.1.2


 ip unreachables enable
 ip ttl-expires enable

#
 dhcp enable

vlan 10
#
vlan 20
#
stp region-configuration
 region-name h3c
 revision-level 10
 instance 10 vlan 10
 instance 20 vlan 20
 active region-configuration
#
 stp instance 10 root primary
 stp instance 20 root secondary
 stp global enable
#
dhcp server ip-pool 13310
 gateway-list 10.133.10.254
 network 10.133.10.0 mask 255.255.255.0
 address range 10.133.10.1 10.133.10.125
 dns-list 223.5.5.5
 expired day 0 hour 6
#
dhcp server ip-pool 13320
 gateway-list 10.133.20.254
 network 10.133.20.0 mask 255.255.255.0
 address range 10.133.20.1 10.133.20.125
 dns-list 223.5.5.5
 expired day 0 hour 6
#
interface Bridge-Aggregation1
 port link-type trunk
 port trunk permit vlan all

interface Vlan-interface10
 ip address 10.133.10.252 255.255.255.0
 vrrp vrid 1 virtual-ip 10.133.10.254
 vrrp vrid 1 priority 120
 vrrp vrid 1 preempt-mode delay 5
 vrrp vrid 1 track 1 priority reduced 40
 dhcp server apply ip-pool 13310
#
interface Vlan-interface20
 ip address 10.133.20.252 255.255.255.0
 vrrp vrid 1 virtual-ip 10.133.20.254
 vrrp vrid 1 preempt-mode delay 5
 dhcp server apply ip-pool 13320


interface GigabitEthernet1/0/5
 port link-mode route
 combo enable fiber
 ip address 172.16.1.2 255.255.255.252
#
interface GigabitEthernet1/0/1
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber
 port link-aggregation group 1
#
interface GigabitEthernet1/0/2
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber
 port link-aggregation group 1

interface GigabitEthernet1/0/3
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber
#
interface GigabitEthernet1/0/4
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber

CORE2

bfd echo-source-ip 11.11.11.11
#
track 1 bfd echo interface GigabitEthernet1/0/5 remote ip 172.16.1.5 local ip 172.16.1.6
#
 ip unreachables enable
 ip ttl-expires enable
#
 dhcp enable

vlan 10
#
vlan 20
#
stp region-configuration
 region-name h3c
 revision-level 10
 instance 10 vlan 10
 instance 20 vlan 20
 active region-configuration
#
 stp instance 10 root secondary
 stp instance 20 root primary
 stp global enable
#
dhcp server ip-pool 13310
 gateway-list 10.133.10.254
 network 10.133.10.0 mask 255.255.255.0
 address range 10.133.10.126 10.133.10.250
 dns-list 223.5.5.5
 expired day 0 hour 6
#
dhcp server ip-pool 13320
 gateway-list 10.133.20.254
 network 10.133.20.0 mask 255.255.255.0
 address range 10.133.20.126 10.133.20.250
 dns-list 223.5.5.5
 expired day 0 hour 6
#
interface Bridge-Aggregation1
 port link-type trunk
 port trunk permit vlan all
#
interface Vlan-interface10
 ip address 10.133.10.253 255.255.255.0
 vrrp vrid 1 virtual-ip 10.133.10.254
 vrrp vrid 1 preempt-mode delay 5
 dhcp server apply ip-pool 13310
#
interface Vlan-interface20
 ip address 10.133.20.253 255.255.255.0
 vrrp vrid 1 virtual-ip 10.133.20.254
 vrrp vrid 1 priority 120
 vrrp vrid 1 preempt-mode delay 5
 vrrp vrid 1 track 1 priority reduced 40
 dhcp server apply ip-pool 13320
#
interface GigabitEthernet1/0/5
 port link-mode route
 combo enable fiber
 ip address 172.16.1.6 255.255.255.252
#
interface GigabitEthernet1/0/1
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber
 port link-aggregation group 1
#
interface GigabitEthernet1/0/2
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber
 port link-aggregation group 1
#
interface GigabitEthernet1/0/3
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber
#
interface GigabitEthernet1/0/4
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber

JR-1

#
 ip unreachables enable
 ip ttl-expires enable

vlan 10
#
vlan 20
#
stp region-configuration
 region-name h3c
 revision-level 10
 instance 10 vlan 10
 instance 20 vlan 20
 active region-configuration

interface GigabitEthernet1/0/1
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber
#
interface GigabitEthernet1/0/2
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber
#
interface GigabitEthernet1/0/3
 port link-mode bridge
 port access vlan 10
 combo enable fiber
 stp edged-port

JR-2

#
 ip unreachables enable
 ip ttl-expires enable

vlan 10
#
vlan 20
#
stp region-configuration
 region-name h3c
 revision-level 10
 instance 10 vlan 10
 instance 20 vlan 20
 active region-configuration
#
 stp global enable
#
interface GigabitEthernet1/0/1
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber
#
interface GigabitEthernet1/0/2
 port link-mode bridge
 port link-type trunk
 port trunk permit vlan all
 combo enable fiber
#
interface GigabitEthernet1/0/3
 port link-mode bridge
 port access vlan 20
 combo enable fiber
 stp edged-port