华为交换机VRRP配置.docx

华为交换机VRRP配置.docx

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华为交换机VRRP配置

图3-128?

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配置VRRP主备备份组网图?

配置思路

采用VRRP主备备份实现网关冗余备份，配置思路如下：

1.配置各设备接口IP地址及路由协议，使各设备间网络层连通。

2.在SwitchA和SwitchB上配置VRRP备份组。

其中，SwitchA上配置较高优先级和20秒抢占延时，作为Master设备承担流量转发；SwitchB上配置较低优先级，作为备用交换机，实现网关冗余备份。

操作步骤

1.配置设备间的网络互连

#配置设备各接口的IP地址，以SwitchA为例。

SwitchB和SwitchC的配置与SwitchA类似，详见配置文件。

system-view

[HUAWEI]sysnameSwitchA

[SwitchA]vlanbatch100300

[SwitchA]interfacegigabitethernet1/0/1

[SwitchA-GigabitEthernet1/0/1]portlink-typehybrid

[SwitchA-GigabitEthernet1/0/1]porthybridpvidvlan300

[SwitchA-GigabitEthernet1/0/1]porthybriduntaggedvlan300

[SwitchA-GigabitEthernet1/0/1]quit

[SwitchA]interfacegigabitethernet1/0/2

[SwitchA-GigabitEthernet1/0/2]portlink-typehybrid

[SwitchA-GigabitEthernet1/0/2]porthybridpvidvlan100

[SwitchA-GigabitEthernet1/0/2]porthybriduntaggedvlan100

[SwitchA-GigabitEthernet1/0/2]quit

[SwitchA]interfacevlanif100

[SwitchA-Vlanif100]ipaddress24

[SwitchA-Vlanif100]quit

[SwitchA]interfacevlanif300

[SwitchA-Vlanif300]ipaddress24

[SwitchA-Vlanif300]quit

#配置Switch的二层转发功能。

system-view

[HUAWEI]sysnameSwitch

[Switch]vlan100

[Switch-vlan100]quit

[Switch]interfacegigabitethernet1/0/1

[Switch-GigabitEthernet1/0/1]portlink-typehybrid

[Switch-GigabitEthernet1/0/1]porthybridpvidvlan100

[Switch-GigabitEthernet1/0/1]porthybriduntaggedvlan100

[Switch-GigabitEthernet1/0/1]quit

[Switch]interfacegigabitethernet1/0/2

[Switch-GigabitEthernet1/0/2]portlink-typehybrid

[Switch-GigabitEthernet1/0/2]porthybridpvidvlan100

[Switch-GigabitEthernet1/0/2]porthybriduntaggedvlan100

[Switch-GigabitEthernet1/0/2]quit

#配置SwitchA、SwitchB和SwitchC间采用OSPF协议进行互连。

以SwitchA为例，SwitchB和SwitchC的配置与SwitchA类似，详见配置文件。

[SwitchA]ospf1

[SwitchA-ospf-1]area0

[SwitchA-ospf-1-area-]network

[SwitchA-ospf-1-area-]network

[SwitchA-ospf-1-area-]quit

[SwitchA-ospf-1]quit

2.配置VRRP备份组

#在SwitchA上创建VRRP备份组1，配置SwitchA在该备份组中的优先级为120，并配置抢占时间为20秒。

[SwitchA]interfacevlanif100

[SwitchA-Vlanif100]vrrpvrid1virtual-ip

[SwitchA-Vlanif100]vrrpvrid1priority120//设备在VRRP备份组中的优先级缺省为100，修改Master设备的优先级大于Backup设备

[SwitchA-Vlanif100]vrrpvrid1preempt-modetimerdelay20//设备在VRRP备份组中缺省采用立即抢占方式。

修改Master设备的延迟抢占时间，以避免在网络环境不稳定时，由于双方频繁抢占而导致流量中断的问题

[SwitchA-Vlanif100]quit

#在SwitchB上创建VRRP备份组1，其在该备份组中的优先级采用缺省值100（不需要配置）。

[SwitchB]interfacevlanif100

[SwitchB-Vlanif100]vrrpvrid1virtual-ip

[SwitchB-Vlanif100]quit

3.验证配置结果

#完成上述配置以后，在SwitchA和SwitchB上分别执行displayvrrp命令，可以看到SwitchA在备份组中的状态为Master，SwitchB在备份组中的状态为Backup。

[SwitchA]displayvrrp

Vlanif100|VirtualRouter1

State:

Master

VirtualIP:

MasterIP:

PriorityRun:

120

PriorityConfig:

120

MasterPriority:

120

Preempt:

YESDelayTime:

20s

TimerRun:

1s

TimerConfig:

1s

Authtype:

NONE

VirtualMAC:

0000-5e00-0101

CheckTTL:

YES

Configtype:

normal-vrrp

Backup-forward:

disabled

Createtime:

2012-01-1220:

15:

46

Lastchangetime:

2012-01-1220:

15:

46

[SwitchB]displayvrrp

Vlanif100|VirtualRouter1

State:

Backup

VirtualIP:

MasterIP:

PriorityRun:

100

PriorityConfig:

100

MasterPriority:

120

Preempt:

YESDelayTime:

0s

TimerRun:

1s

TimerConfig:

1s

Authtype:

NONE

VirtualMAC:

0000-5e00-0101

CheckTTL:

YES

Configtype:

normal-vrrp

Backup-forward:

disabled

Createtime:

2012-01-1220:

15:

46

Lastchangetime:

2012-01-1220:

15:

46

#在SwitchA和SwitchB上执行displayiprouting-table命令，SwitchA上可以看到路由表中有一条目的地址为虚拟IP地址的直连路由，而SwitchB上该路由为OSPF路由。

SwitchA和SwitchB上的显示信息如下。

[SwitchA]displayiprouting-table

RouteFlags:

R-relay,D-downloadtofib

------------------------------------------------------------------------------

RoutingTables:

Public

Destinations:

9Routes:

10

Destination/MaskProtoPreCostFlagsNextHopInterface

/24Direct00DVlanif100

/32Direct00DVlanif100

/32Direct00DVlanif100

/8Direct00DInLoopBack0

/32Direct00DInLoopBack0

/24OSPF102DVlanif300

/24Direct00DVlanif300

/32Direct00DVlanif300

/24OSPF102DVlanif100

OSPF102DVlanif300

[SwitchB]displayiprouting-table

RouteFlags:

R-relay,D-downloadtofib

------------------------------------------------------------------------------

RoutingTables:

Public

Destinations:

9Routes:

10

Destination/MaskProtoPreCostFlagsNextHopInterface

/24Direct00DVlanif100

/32Direct00DVlanif100

/32OSPF102DVlanif100

/8Direct00DInLoopBack0

/32Direct00DInLoopBack0

/24OSPF102DVlanif200

/24OSPF102DVlanif100

OSPF102DVlanif200

/24Direct00DVlanif200

/32Direct00DVlanif200

#在SwitchA的接口GE1/0/2上执行shutdown命令，模拟SwitchA出现故障。

[SwitchA]interfacegigabitethernet1/0/2

[SwitchA-GigabitEthernet1/0/2]shutdown

[SwitchA-GigabitEthernet1/0/2]quit

#在SwitchB上执行displayvrrp命令查看VRRP状态信息，可以看到SwitchB的状态是Master。

[SwitchB]displayvrrp

Vlanif100|VirtualRouter1

State:

Master

VirtualIP:

MasterIP:

PriorityRun:

100

PriorityConfig:

100

MasterPriority:

100

Preempt:

YESDelayTime:

0s

TimerRun:

1s

TimerConfig:

1s

Authtype:

NONE

VirtualMAC:

0000-5e00-0101

CheckTTL:

YES

Configtype:

normal-vrrp

Backup-forward:

disabled

Createtime:

2012-01-1220:

15:

46

Lastchangetime:

2012-01-1220:

18:

40

#在SwitchA的接口GE1/0/2上执行undoshutdown命令。

[SwitchA]interfacegigabitethernet1/0/2

[SwitchA-GigabitEthernet1/0/2]undoshutdown

[SwitchA-GigabitEthernet1/0/2]quit

#等待20秒后，在SwitchA上执行displayvrrp命令查看VRRP状态信息，可以看到SwitchA的状态恢复成Master。

[SwitchA]displayvrrp

Vlanif100|VirtualRouter1

State:

Master

VirtualIP:

MasterIP:

PriorityRun:

120

PriorityConfig:

120

MasterPriority:

120

Preempt:

YESDelayTime:

20s

TimerRun:

1s

TimerConfig:

1s

Authtype:

NONE

VirtualMAC:

0000-5e00-0101

CheckTTL:

YES

Configtype:

normal-vrrp

Backup-forward:

disabled

Createtime:

2012-01-1220:

15:

46

Lastchangetime:

2012-01-1220:

20:

56

配置文件

SwitchA的配置文件

#

sysnameSwitchA

#

vlanbatch100300

#

interfaceVlanif100

ipaddress

vrrpvrid1virtual-ip

vrrpvrid1priority120

vrrpvrid1preempt-modetimerdelay20

#

interfaceVlanif300

ipaddress

#

interfaceGigabitEthernet1/0/1

portlink-typehybrid

porthybridpvidvlan300

porthybriduntaggedvlan300

#

interfaceGigabitEthernet1/0/2

portlink-typehybrid

porthybridpvidvlan100

porthybriduntaggedvlan100

#

ospf1

area

network

network

#

return

SwitchB的配置文件

#

sysnameSwitchB

#

vlanbatch100200

#

interfaceVlanif100

ipaddress

vrrpvrid1virtual-ip

#

interfaceVlanif200

ipaddress

#

interfaceGigabitEthernet1/0/1

portlink-typehybrid

porthybridpvidvlan200

porthybriduntaggedvlan200

#

interfaceGigabitEthernet1/0/2

portlink-typehybrid

porthybridpvidvlan100

porthybriduntaggedvlan100

#

ospf1

area

network

network

#

return

SwitchC的配置文件

#

sysnameSwitchC

#

vlanbatch200300400

#

interfaceVlanif200

ipaddress

#

interfaceVlanif300

ipaddress

#

interfaceVlanif400

ipaddress

#

interfaceGigabitEthernet1/0/1

portlink-typehybrid

porthybridpvidvlan300

porthybriduntaggedvlan300

#

interfaceGigabitEthernet1/0/2

portlink-typehybrid

porthybridpvidvlan200

porthybriduntaggedvlan200

#

interfaceGigabitEthernet1/0/3

portlink-typehybrid

porthybridpvidvlan400

porthybriduntaggedvlan400

#

ospf1

area

network

network

network

#

return

Switch的配置文件

#

sysnameSwitch

#

vlanbatch100

#

interfaceGigabitEthernet1/0/1

portlink-typehybrid

porthybridpvidvlan100

porthybriduntaggedvlan100

#

interfaceGigabitEthernet1/0/2

portlink-typehybrid

porthybridpvidvlan100

porthybriduntaggedvlan100

#

return