ospf

SW1：

<H3C>sys

System View: return to User View with Ctrl+Z.

[H3C]sysname SW1

[SW1]vlan 10

[SW1-vlan10]quit

[SW1]int range gi 1/0/1 to gi 1/0/2

[SW1-if-range]port link-type trunk

[SW1-if-range]undo port trunk permit vlan 1

[SW1-if-range]port trunk permit vlan 10

[SW1-if-range]quit

[SW1]int gi 1/0/3

[SW1-GigabitEthernet1/0/3]port link-type access

[SW1-GigabitEthernet1/0/3]port access vlan 10

[SW1-GigabitEthernet1/0/3]quit

[SW1]ip unreachables enable

[SW1]ip ttl-expires enable

SW2:

<H3C>sys

System View: return to User View with Ctrl+Z.

[H3C]sysname SW2

[SW2]vlan 10

[SW2-vlan10]quit

[SW2]int range gi 1/0/1 gi 1/0/3

[SW2-if-range]port link-type trunk

[SW2-if-range]undo port trunk permit vlan 1

[SW2-if-range]port trunk permit vlan 10

[SW2-if-range]quit

[SW2]track 1 interface GigabitEthernet 1/0/2

[SW2-track-1]quit

[SW2]int gi 1/0/2

[SW2-GigabitEthernet1/0/2]port link-mode route

[SW2-GigabitEthernet1/0/2]des <connect to R1>

[SW2-GigabitEthernet1/0/2]ip address 10.0.0.1 30

[SW2-GigabitEthernet1/0/2]quit

[SW2]track 1 interface GigabitEthernet 1/0/2

[SW2-track-1]quit

[SW2]int vlan 10

[SW2-Vlan-interface10]ip address 192.168.1.252 24

[SW2-Vlan-interface10]vrrp vrid 1 virtual-ip 192.168.1.254

[SW2-Vlan-interface10]vrrp vrid 1 priority 120

[SW2-Vlan-interface10]vrrp vrid 1 track 1 priority reduced 30

[SW2-Vlan-interface10]quit

[SW2]int loopback 0

[SW2-LoopBack0]ip address 1.1.1.1 32

[SW2-LoopBack0]quit

[SW2]ospf 1 router-id 1.1.1.1

[SW2-ospf-1]silent-interface Vlan-interface 10

[SW2-ospf-1]area 0.0.0.0

[SW2-ospf-1-area-0.0.0.0]network 10.0.0.1 0.0.0.0

[SW2-ospf-1-area-0.0.0.0]network 1.1.1.1 0.0.0.0

[SW2-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255

[SW2-ospf-1-area-0.0.0.0]quit

[SW2-ospf-1]quit

[SW2]ip unreachables enable

[SW2]ip ttl-expires enable

SW3:

<H3C>sys

System View: return to User View with Ctrl+Z.

[H3C]sysname SW3

[SW3]int loopback 0

[SW3-LoopBack0]ip address 2.2.2.2 32

[SW3-LoopBack0]quit

[SW3]vlan 10

[SW3-vlan10]quit

[SW3]int range gi 1/0/1 gi 1/0/3

[SW3-if-range]port link-type trunk

[SW3-if-range]undo port trunk permit vlan 1

[SW3-if-range]port trunk permit vlan 10

[SW3-if-range]quit

[SW3]int gi 1/0/2

[SW3-GigabitEthernet1/0/2]port link-mode route

[SW3-GigabitEthernet1/0/2]des <connect to R1>

[SW3-GigabitEthernet1/0/2]ip address 10.0.0.5 30

[SW3-GigabitEthernet1/0/2]ospf cost 200

[SW3-GigabitEthernet1/0/2]quit

[SW3]int vlan 10

[SW3-Vlan-interface10]ip address 192.168.1.253 24

[SW3-Vlan-interface10]vrrp vrid 1 virtual-ip 192.168.1.254

[SW3-Vlan-interface10]quit

[SW3]ospf 1 router-id 2.2.2.2

[SW3-ospf-1]silent-interface Vlan-interface 10

[SW3-ospf-1]area 0.0.0.0

[SW3-ospf-1-area-0.0.0.0]network 10.0.0.5 0.0.0.0

[SW3-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0

[SW3-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255

[SW3-ospf-1-area-0.0.0.0]quit

[SW3-ospf-1]quit

[SW3]ip unreachables enable

[SW3]ip ttl-expires enable

R1：

<H3C>sys

System View: return to User View with Ctrl+Z.

[H3C]sysname R3

[R3]int loopback 0

[R3-LoopBack0]ip address 3.3.3.3 32

[R3-LoopBack0]quit

[R3]int gi 0/0

[R3-GigabitEthernet0/0]des <connect to SW2>

[R3-GigabitEthernet0/0]ip address 10.0.0.2 30

[R3-GigabitEthernet0/0]quit

[R3]int gi 0/1

[R3-GigabitEthernet0/1]des <connect to SW3>

[R3-GigabitEthernet0/1]ip address 10.0.0.6 30

[R3-GigabitEthernet0/1]ospf cost 200

[R3-GigabitEthernet0/1]quit

[R3]ospf 1 router-id 3.3.3.3

[R3-ospf-1]area 0.0.0.0

[R3-ospf-1-area-0.0.0.0]network 10.0.0.2 0.0.0.0

[R3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0

[R3-ospf-1-area-0.0.0.0]quit

[R3-ospf-1]quit

[R3]ip unreachables enable

[R3]ip ttl-expires enable