实验:

1.掩码

2.不同种路由协议比较ad

3.同种协议比较metric

r2:

router eigrp 100

distance eigrp 90 119

r3:

access-list 1 permit host 1.1.1.1

router ospf 1

distance 121 4.4.4.4 0.0.0.0 1

r4:

access-list 1 permit host 1.1.1.1

router ospf 1

distance 121 3.3.3.3 0.0.0.0 1

router rip

redst ospf 1 metric 3

pbr策略路由

r2:

access-list 100 permit ip host 1.1.1.1 host 34.1.1.3

router-map pbr permit 10

match ip address 110

set ip next-hop 23.1.1.3

router-map pbr permit 20

interface s1/0

ip policy route-map pbr