STP HSRP NAT和SLA实验配置及说明.pdf

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注：以下实验在GNS30.8.6版本中完成，IOS（c3640-ik9o3s-mz.124-25c）

C

R1
InterfaceLoopback0
Ipaddress1.1.1.1255.255.255.255

InterfaceFastEthernet0/0
Ipaddress12.1.1.1255.255.255.0

InterfaceFastEthernet1/0
Ipaddress13.1.1.1255.255.255.0

R2
Ipslamonitor100
TypeechoprotocolipIcmpEcho1.1.1.1source-interfaceFastEthernet0/0
Frequency5
IpSlamonitorschedule100lifeforeverstart-timenowtrack100rtr100reachability
InterfaceFastEthernet0/0
Ipaddress12.1.1.2255.255.255.0
注：监视去往1.1.1.1的路由

Track100rtr100reachability//Track关联SLA

Spanning-treevlan100priority8192//VLAN100为主根桥
Spanning-treevlan200priority16384//VLAN200为备份根桥

InterfaceFastEthernet0/0
Ipaddress12.1.1.2255.255.255.0
IpNatoutside

InterfaceFastEthernet1/0
Switchportmodetrunk
!
InterfaceFastEthernet1/1
Switchportmodetrunk
!
InterfaceVlan100
Ipaddress10.1.1.253255.255.255.0
IpNatinside
Standby100ip10.1.1.254//PC的网关
Standby100priority120//Standby100的Active
Standby100preempt//Standby100的抢占
Standby100trackFastEthernet1/030//关联Fa0/0Down了并惩罚30
Standby100track100decrement30//关联Track100Down了并惩罚30

!
InterfaceVlan200
Ipaddress20.1.1.252255.255.255.0
IpNatinside
Ipvirtual-reassembly
Standby200ip20.1.1.254
Standby200preempt
!
Iproute0.0.0.00.0.0.012.1.1.1
!
IpNatinsidesourcelist100interfaceFastEthernet0/0overload
IpNatinsidesourcelist101interfaceFastEthernet0/0overload
!
Access-list100permitip10.1.1.00.0.0.255any
Access-list101permitip20.1.1.00.0.0.255any

实验说明：
如下图，R2Fa0/0和Fa1/0正常状态，VLAN100为Active

如下图，如R2Fa0/0和Fa1/0Down了，VLAN100为Standby

R3#
IpSlamonitor200
TypeechoprotocolipIcmpEcho1.1.1.1source-interfaceFastEthernet0/0
Frequency5
IpSlamonitorschedule200lifeforeverstart-timenow

Spanning-treevlan100priority16384
Spanning-treevlan200priority8192
!
Track200rtr200reachability
!
InterfaceFastEthernet0/0
Ipaddress13.1.1.3255.255.255.0
IpNatoutside
Ipvirtual-reassembly
!
InterfaceFastEthernet1/0
Switchportmodetrunk
!
InterfaceFastEthernet1/1
Switchportmodetrunk
!
InterfaceVlan100
Ipaddress10.1.1.252255.255.255.0