ospf与eigrp通过修改管理距离实现路由的负载

实验拓扑如下
实验最后通过traceroute或者查看路由表项判断是否正确
以下为配置文件
--------------------------------R1----------------------------------------
R1>en
R1#show run
Building configuration...

Current configuration : 1399 bytes
!
! Last configuration change at 21:16:15 CST Sat Feb 16 2019
!
version 15.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
aqm-register-fnf
!
!
no aaa new-model
clock timezone CST 8 0
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
!
!
!
!
!
!

!
!
!
!
ip cef
no ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
redundancy
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 1.1.1.1 255.255.255.0
!
interface Loopback1
ip address 2.2.2.2 255.255.255.0
!
interface Ethernet0/0
no ip address
shutdown
!
interface Ethernet0/1
no ip address
shutdown
!
interface Ethernet0/2
no ip address
shutdown
!
interface Ethernet0/3
no ip address
shutdown
!
interface Serial1/0
ip address 192.168.12.1 255.255.255.0
serial restart-delay 0
!
interface Serial1/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
!
router eigrp 100
network 1.0.0.0
network 2.0.0.0
network 192.168.12.0
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
line con 0
logging synchronous
line aux 0
line vty 0 4
login
transport input none
!
!
end

--------------------------------R2----------------------------------------

R2#show run
Building configuration...

Current configuration : 1418 bytes
!
! Last configuration change at 21:13:58 CST Sat Feb 16 2019
!
version 15.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
aqm-register-fnf
!
!
no aaa new-model
clock timezone CST 8 0
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
!
!
!
!
!
!

!
!
!
!
ip cef
no ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
redundancy
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Ethernet0/0
no ip address
shutdown
!
interface Ethernet0/1
no ip address
shutdown
!
interface Ethernet0/2
no ip address
shutdown
!
interface Ethernet0/3
no ip address
shutdown
!
interface Serial1/0
ip address 192.168.12.2 255.255.255.0
serial restart-delay 0
!
interface Serial1/1
ip address 192.168.23.2 255.255.255.0
ip ospf network point-to-point
serial restart-delay 0
!
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
!
router eigrp 100
network 192.168.12.0
distance 130 192.168.12.1 0.0.0.0 2
!
router ospf 1
network 192.168.23.2 0.0.0.0 area 0
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
!
!
access-list 2 permit 2.2.2.0
!
control-plane
!
!
!
!
!
!
!
!
line con 0
logging synchronous
line aux 0
line vty 0 4
login
transport input none
!
!
end

--------------------------------R3----------------------------------------

R3>en
R3#show run
Building configuration...

Current configuration : 1477 bytes
!
version 15.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
aqm-register-fnf
!
!
no aaa new-model
clock timezone CST 8 0
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
!
!
!
!
!
!

!
!
!
!
ip cef
no ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
redundancy
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 1.1.1.1 255.255.255.0
ip ospf network point-to-point
!
interface Loopback1
ip address 2.2.2.2 255.255.255.0
ip ospf network point-to-point
!
interface Ethernet0/0
no ip address
shutdown
!
interface Ethernet0/1
no ip address
shutdown
!
interface Ethernet0/2
no ip address
shutdown
!
interface Ethernet0/3
no ip address
shutdown
!
interface Serial1/0
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/1
ip address 192.168.23.3 255.255.255.0
ip ospf network point-to-point
serial restart-delay 0
!
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
router ospf 1
network 1.1.1.0 0.0.0.255 area 0
network 2.2.2.0 0.0.0.255 area 0
network 192.168.23.3 0.0.0.0 area 0
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
line con 0
logging synchronous
line aux 0
line vty 0 4
login
transport input none
!
!
end

描述：distance 130 192.168.12.1 0.0.0.0 2
修改匹配acl表2并且路由来源是192.168.12.1的这条路由的AD值为130
注：思科中ospf的AD值为110

转载于:https://blog.51cto.com/14186275/2350987