A-A+
	VRRP实现线路热备份的实现
一:实验要求:
1.在正常情况下 VLAN 10的成员的数据走LSW1,VLAN20 的成员 走LSW2。当某线路出现故障时,线路自动切换至另一线路上,从而不影响网络通信。
二:所需设备:
1.一台AR3260路由器 2.两台S5700交换机 3.一台S37004.两台PC机
三:技术解释:
VRRP是一种容错协议,应用于当连接主机的下一跳网关路由器出现故障时,由网络中另一台路由器代替故障路由器进行工作,从而保证网络通信的连续性和可靠性
四:实验拓扑:
五:实验步骤:
1.开启所有设备
2.配置PC机的IP地址
3.配置S3700交换机的VLAN和TRUNK
- [Huawei]vlan 10
 - [Huawei-vlan10]vlan 20
 - [Huawei-vlan20]inte0/0/1
 - [Huawei-Ethernet0/0/1]port link-type access
 - [Huawei-Ethernet0/0/1]port default vlan 10
 - [Huawei-Ethernet0/0/1]int e0/0/2
 - [Huawei-Ethernet0/0/2]port link-type access
 - [Huawei-Ethernet0/0/2]port default vlan 20
 - [Huawei-Ethernet0/0/2]port default vlan 20
 - [Huawei-Ethernet0/0/2]int e0/0/10
 - [Huawei-Ethernet0/0/10]port link-type trunk
 - [Huawei-Ethernet0/0/10]port trunk allow-pass vlan all
 - [Huawei-Ethernet0/0/10]int e0/0/11
 - [Huawei-Ethernet0/0/11]port link-type trunk
 - [Huawei-Ethernet0/0/11]port trunk allow-pass vlan all
 - [Huawei-Ethernet0/0/11]dis vlan
 - Thetotal number of vlans is : 3
 - --------------------------------------------------------------------------------
 - U:Up; D: Down; TG: Tagged; UT: Untagged;
 - MP:Vlan-mapping; ST:Vlan-stacking;
 - #:ProtocolTransparent-vlan; *:Management-vlan;
 - --------------------------------------------------------------------------------
 - VID Type Ports
 - --------------------------------------------------------------------------------
 - 1 common UT:Eth0/0/3(D) Eth0/0/4(D) Eth0/0/5(D) Eth0/0/6(D)
 - Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(U)
 - Eth0/0/11(U) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D)
 - Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D)
 - Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D)
 - GE0/0/1(D) GE0/0/2(D)
 - 10 common UT:Eth0/0/1(U)
 - TG:Eth0/0/10(U) Eth0/0/11(U)
 - 20 common UT:Eth0/0/2(U)
 - TG:Eth0/0/10(U) Eth0/0/11(U)
 - VID Status Property MAC-LRN StatisticsDescription
 - --------------------------------------------------------------------------------
 - 1 enable default enable disable VLAN 0001
 - 10 enable default enable disable VLAN 0010
 - 20 enable default enable disable VLAN 0020
 
4.配置S5700 LSW1的 VLAN trunk默认路由
- <Huawei>sy
 - [Huawei]vlan10
 - [Huawei-vlan10]vlan 20
 - [Huawei-vlan20]vlan 30
 - [Huawei-vlan30]int g0/0/1
 - [Huawei-GigabitEthernet0/0/1]port link-type trunk
 - [Huawei-GigabitEthernet0/0/1]port trunk allow-pass vlan all
 - [Huawei-GigabitEthernet0/0/1]int vlan 10
 - [Huawei-Vlanif10]ip add 192.168.10.10 24
 - [Huawei-Vlanif10]un shut
 - Info:Interface Vlanif10 is not shutdown.
 - [Huawei-Vlanif10]int vlan 20
 - [Huawei-Vlanif20]ip add 192.168.20.10 24
 - [Huawei-Vlanif20]int g0/0/2
 - [Huawei-GigabitEthernet0/0/2]port link-type access
 - [Huawei-GigabitEthernet0/0/2]port default vlan 30
 - [Huawei-GigabitEthernet0/0/2]int vlan 30
 - [Huawei-Vlanif30]ip add 202.106.1.1 24
 - [Huawei]sysname LSW1
 - [LSW1]ip route-static 0.0.0.0 0.0.0.0 202.106.1.2
 - [LSW1]dis ip int b
 - *down:administratively down
 - ^down:standby
 - (l):loopback
 - (s):spoofing
 - Thenumber of interface that is UP in Physical is 5
 - Thenumber of interface that is DOWN in Physical is 1
 - Thenumber of interface that is UP in Protocol is 4
 - Thenumber of interface that is DOWN in Protocol is 2
 - Interface IP Address/Mask Physical Protocol
 - MEth0/0/1 unassigned down down
 - NULL0 unassigned up up(s)
 - Vlanif1 unassigned up down
 - Vlanif10 192.168.10.10/24 up up
 - Vlanif20 192.168.20.10/24 up up
 - Vlanif30 202.106.1.1/24 up up
 - [LSW1]dis vlan
 - Thetotal number of vlans is : 4
 - --------------------------------------------------------------------------------
 - U:Up; D: Down; TG: Tagged; UT: Untagged;
 - MP:Vlan-mapping; ST:Vlan-stacking;
 - #:ProtocolTransparent-vlan; *: Management-vlan;
 - --------------------------------------------------------------------------------
 - VID Type Ports
 - --------------------------------------------------------------------------------
 - 1 common UT:GE0/0/1(U) GE0/0/3(D) GE0/0/4(D) GE0/0/5(D)
 - GE0/0/6(D) GE0/0/7(D) GE0/0/8(D) GE0/0/9(D)
 - GE0/0/10(D) GE0/0/11(D) GE0/0/12(D) GE0/0/13(D)
 - GE0/0/14(D) GE0/0/15(D) GE0/0/16(D) GE0/0/17(D)
 - GE0/0/18(D) GE0/0/19(D) GE0/0/20(D) GE0/0/21(D)
 - GE0/0/22(D) GE0/0/23(D) GE0/0/24(D)
 - 10 common TG:GE0/0/1(U)
 - 20 common TG:GE0/0/1(U)
 - 30 common UT:GE0/0/2(U)
 - TG:GE0/0/1(U)
 - VID Status Property MAC-LRN StatisticsDescription
 - --------------------------------------------------------------------------------
 - 1 enable default enable disable VLAN 0001
 - 10 enable default enable disable VLAN 0010
 - 20 enable default enable disable VLAN 0020
 - 30 enable default enable disable VLAN 0030
 - [LSW1]dis ip routing-table
 - RouteFlags: R - relay, D - download to fib
 - ------------------------------------------------------------------------------
 - RoutingTables: Public
 - Destinations : 9 Routes : 9
 - Destination/Mask Proto Pre Cost Flags NextHop Interface
 - 0.0.0.0/0 Static 60 0 RD 202.106.1.2 Vlanif30
 - 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
 - 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
 - 192.168.10.0/24 Direct 0 0 D 192.168.10.10 Vlanif10
 - 192.168.10.10/32 Direct 0 0 D 127.0.0.1 Vlanif10
 - 192.168.20.0/24 Direct 0 0 D 192.168.20.10 Vlanif20
 - 192.168.20.10/32 Direct 0 0 D 127.0.0.1 Vlanif20
 - 202.106.1.0/24 Direct 0 0 D 202.106.1.1 Vlanif30
 - 202.106.1.1/32 Direct 0 0 D 127.0.0.1 Vlanif30
 
5.配置AR1的IP地址 LoopBack 和浮动路由
- <Huawei>sys
 - [Huawei]int g0/0/0
 - [Huawei-GigabitEthernet0/0/0]ip add 202.106.1.2 24
 - [Huawei-GigabitEthernet0/0/0]un shut
 - Info:Interface GigabitEthernet0/0/0 is not shutdown.
 - [Huawei-GigabitEthernet0/0/0]int g0/0/1
 - [Huawei-GigabitEthernet0/0/1]ip add 202.106.2.1 24
 - [Huawei-GigabitEthernet0/0/1]q
 - [Huawei]int loo 0
 - [Huawei-LoopBack0]ip add 1.1.1.1 32
 - [Huawei-LoopBack0]q
 - [Huawei]ip route-static 192.168.10.0 24 202.106.1.1
 - [Huawei]ip route-static 192.168.10.0 24 202.106.2.2 preference 70
 - [Huawei]ip route-static 192.168.20.0 24 202.106.2.2
 - [Huawei]ip route-static 192.168.20.0 24 202.106.1.1 preference 70
 - [Huawei]dis ip routing-table
 - RouteFlags: R - relay, D - download to fib
 - ------------------------------------------------------------------------------
 - RoutingTables: Public
 - Destinations : 10 Routes : 10
 - Destination/Mask Proto Pre Cost Flags NextHop Interface
 - 1.1.1.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
 - 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
 - 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
 - 127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
 - 192.168.10.0/24 Static 70 0 RD 202.106.2.2 GigabitEthernet0
 - /0/1
 - 192.168.20.0/24 Static 60 0 RD 202.106.2.2 GigabitEthernet0
 - /0/1
 - 202.106.2.0/24 Direct 0 0 D 202.106.2.1 GigabitEthernet0
 - /0/1
 - 202.106.2.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0
 - /0/1
 - 202.106.2.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet0
 - /0/1
 - 255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
 
6.配置LSW2的VLAN Trunk 默认路由以及IP地址
- <Huawei>sy
 - [Huawei]sysname LSW2
 - [LSW2]VLAN 10
 - [LSW2-vlan10]VLAN 20
 - [LSW2-vlan20]VLAN 30
 - [LSW2-vlan30]INT G0/0/2
 - [LSW2-GigabitEthernet0/0/2]port link-type access
 - [LSW2-GigabitEthernet0/0/2]port default vlan 30
 - [LSW2-GigabitEthernet0/0/2]int g0/0/1
 - [LSW2-GigabitEthernet0/0/1]port link-type trunk
 - [LSW2-GigabitEthernet0/0/1]port trunk allow-pass vlan all
 - [LSW2-GigabitEthernet0/0/1]int vlan 10
 - [LSW2-Vlanif10]ip add 192.168.10.20 24
 - [LSW2-Vlanif10]int vlan 20
 - [LSW2-Vlanif20]ip add 192.168.20.20 24
 - [LSW2-Vlanif20]int vlan 30
 - [LSW2-Vlanif30]ip add 202.106.2.2 24
 - [LSW2-Vlanif30]dis ip int b
 - [LSW2-Vlanif30]q
 - [LSW2]ip route-static 0.0.0.0 0.0.0.0 202.106.2.1
 - [LSW2]dis ip int b
 - *down:administratively down
 - ^down:standby
 - (l):loopback
 - (s):spoofing
 - Thenumber of interface that is UP in Physical is 5
 - Thenumber of interface that is DOWN in Physical is 1
 - Thenumber of interface that is UP in Protocol is 4
 - Thenumber of interface that is DOWN in Protocol is 2
 - Interface IP Address/Mask Physical Protocol
 - MEth0/0/1 unassigned down down
 - NULL0 unassigned up up(s)
 - Vlanif1 unassigned up down
 - Vlanif10 192.168.10.20/24 up up
 - Vlanif20 192.168.20.20/24 up up
 - Vlanif30 202.106.2.2/24 up up
 - [LSW2]dis vlan
 - Thetotal number of vlans is : 4
 - --------------------------------------------------------------------------------
 - U:Up; D: Down; TG: Tagged; UT: Untagged;
 - MP:Vlan-mapping; ST:Vlan-stacking;
 - #:ProtocolTransparent-vlan; *:Management-vlan;
 - --------------------------------------------------------------------------------
 - VID Type Ports
 - --------------------------------------------------------------------------------
 - 1 common UT:GE0/0/1(U) GE0/0/3(D) GE0/0/4(D) GE0/0/5(D)
 - GE0/0/6(D) GE0/0/7(D) GE0/0/8(D) GE0/0/9(D)
 - GE0/0/10(D) GE0/0/11(D) GE0/0/12(D) GE0/0/13(D)
 - GE0/0/14(D) GE0/0/15(D) GE0/0/16(D) GE0/0/17(D)
 - GE0/0/18(D) GE0/0/19(D) GE0/0/20(D) GE0/0/21(D)
 - GE0/0/22(D) GE0/0/23(D) GE0/0/24(D)
 - 10 common TG:GE0/0/1(U)
 - 20 common TG:GE0/0/1(U)
 - 30 common UT:GE0/0/2(U)
 - TG:GE0/0/1(U)
 - VID Status Property MAC-LRN StatisticsDescription
 - --------------------------------------------------------------------------------
 - 1 enable default enable disable VLAN 0001
 - 10 enable default enable disable VLAN 0010
 - 20 enable default enable disable VLAN 0020
 - 30 enable default enable disable VLAN 0030
 - [LSW2]dis ip routing-table
 - RouteFlags: R - relay, D - download to fib
 - ------------------------------------------------------------------------------
 - RoutingTables: Public
 - Destinations : 9 Routes : 9
 - Destination/Mask Proto Pre Cost Flags NextHop Interface
 - 0.0.0.0/0 Static 60 0 RD 202.106.2.1 Vlanif30
 - 127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
 - 127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
 - 192.168.10.0/24 Direct 0 0 D 192.168.10.20 Vlanif10
 - 192.168.10.20/32 Direct 0 0 D 127.0.0.1 Vlanif10
 - 192.168.20.0/24 Direct 0 0 D 192.168.20.20 Vlanif20
 - 192.168.20.20/32 Direct 0 0 D 127.0.0.1 Vlanif20
 - 202.106.2.0/24 Direct 0 0 D 202.106.2.2 Vlanif30
 - 202.106.2.2/32 Direct 0 0 D 127.0.0.1 Vlanif30
 
7.配置LSW1的VRRP
- [LSW1]int vlan 10
 - [LSW1-Vlanif10]vrrp vrid 1 virtual-ip 192.168.10.1
 - [LSW1-Vlanif10]vrrp vrid 1 priority 110
 - [LSW1-Vlanif10]vrrp vrid 1 preempt-mode timer delay 0
 - [LSW1-Vlanif10]vrrp vrid 1 track interface GigabitEthernet 0/0/1
 - [LSW1-Vlanif10]vrrp vrid 1 track interface GigabitEthernet 0/0/2
 - [LSW1-Vlanif10]int vlan 20
 - [LSW1-Vlanif20]vrrp vrid 2 virtual-ip 192.168.20.1
 - [LSW1-Vlanif20]vrrp vrid 2 priority 95
 - [LSW1-Vlanif20]vrrp vrid 2 preempt-mode timer delay 0
 - [LSW1-Vlanif20]dis vrrp
 - Vlanif10 | Virtual Router 1
 - State : Master
 - Virtual IP : 192.168.10.1
 - Master IP : 192.168.10.10
 - PriorityRun : 110
 - PriorityConfig : 110
 - MasterPriority : 110
 - Preempt : YES Delay Time : 0 s
 - TimerRun : 1 s
 - TimerConfig : 1 s
 - Auth type : NONE
 - Virtual MAC : 0000-5e00-0101
 - Check TTL : YES
 - Config type : normal-vrrp
 - Track IF : GigabitEthernet0/0/1 Priority reduced : 10
 - IF state : UP
 - Track IF : GigabitEthernet0/0/2 Priority reduced : 10
 - IF state : UP
 - Create time : 2014-02-23 21:33:36 UTC-08:00
 - Last change time : 2014-02-23 21:33:40UTC-08:00
 - Vlanif20 | Virtual Router 2
 - State : Master
 - Virtual IP : 192.168.20.1
 - Master IP : 192.168.20.10
 - PriorityRun : 95
 - PriorityConfig : 95
 - MasterPriority : 95
 - Preempt : YES Delay Time : 0 s
 - TimerRun : 1 s
 - TimerConfig : 1 s
 - Auth type : NONE
 - Virtual MAC : 0000-5e00-0102
 - Check TTL : YES
 - Config type : normal-vrrp
 - Create time : 2014-02-23 21:35:36 UTC-08:00
 - Last change time : 2014-02-23 21:35:39UTC-08:00
 
8.配置LSW2的VRRP
- <LSW2>sy
 - [LSW2]int g0/0/1
 - [LSW2-GigabitEthernet0/0/1]int vlan 10
 - [LSW2-Vlanif10]vrrp vrid 1 virtual-ip 192.168.10.1
 - [LSW2-Vlanif10]vrrp vrid 1 preempt-mode timer delay 0
 - [LSW2-Vlanif10]vrrp vrid 1 priority 105
 - [LSW2-Vlanif10]int vlan 20
 - [LSW2-Vlanif20]vrrp vrid 2 virtual-ip 192.168.20.1
 - [LSW2-Vlanif20]vrrp vrid 2 preempt-mode timer delay 0
 - [LSW2-Vlanif20]vrrpvrid 2 priority 100
 - [LSW2-Vlanif20]vrrp vrid 2 track interface GigabitEthernet 0/0/1
 - [LSW2-Vlanif20]vrrp vrid 2 track interface GigabitEthernet 0/0/2
 - [LSW2-Vlanif20]dis vrrp
 - [LSW2-Vlanif20]dis vrrp
 - Vlanif10 | Virtual Router 1
 - State : Backup
 - Virtual IP : 192.168.10.1
 - Master IP : 192.168.10.10
 - PriorityRun : 105
 - PriorityConfig : 105
 - MasterPriority : 110
 - Preempt : YES Delay Time : 0 s
 - TimerRun : 1 s
 - TimerConfig : 1 s
 - Auth type : NONE
 - Virtual MAC : 0000-5e00-0101
 - Check TTL : YES
 - Config type : normal-vrrp
 - Create time : 2014-02-23 21:39:43 UTC-08:00
 - Last change time : 2014-02-23 21:39:43UTC-08:00
 - Vlanif20 | Virtual Router 2
 - State : Master
 - Virtual IP : 192.168.20.1
 - Master IP : 192.168.20.20
 - PriorityRun : 100
 - PriorityConfig : 100
 - MasterPriority : 100
 - Preempt : YES Delay Time : 0 s
 - TimerRun : 1 s
 - TimerConfig : 1 s
 - Auth type : NONE
 - Virtual MAC : 0000-5e00-0102
 - Check TTL : YES
 - Config type : normal-vrrp
 - Track IF : GigabitEthernet0/0/1 Priority reduced : 10
 - IF state : UP
 - Track IF : GigabitEthernet0/0/2 Priority reduced : 10
 - IF state : UP
 - Create time : 2014-02-23 21:41:11 UTC-08:00
 - Last change time : 2014-02-23 21:41:12UTC-08:00
 
9.PC1测试网络
Ping 回环地址
Tracert回环地址
10.PC2 测试网络
Ping 回环地址
Tracert回环地址
11.网关路由器出现故障时
ShutdownLSW1 的GE0/0/2
PC1 ping1.1.1.1
Tracert 回环地址
线路已切换!
实验完成。