目的:通过汇总减少路由器由于路由表中的路由条目过多产生的负担
![](/cisco/Files/2007-10/15/1014124658.jpg)
路由器的基本配置:
r1#sho run
!
interface Loopback0
ip address 199.172.16.1 255.255.255.0
!
interface Loopback1
ip address 199.172.17.1 255.255.255.0
!
interface Loopback2
ip address 199.172.18.1 255.255.255.0
!
interface Loopback3
ip address 199.172.19.1 255.255.255.0
!
interface FastEthernet0/0
ip address 12.0.0.1 255.255.255.0
duplex half
!
router ospf 110
log-adjacency-changes
network 0.0.0.0 255.255.255.255 area 12
!
!
End
r2#sho run
!
interface FastEthernet0/0
ip address 12.0.0.2 255.255.255.0
duplex half
!
interface Serial2/2
ip address 23.0.0.2 255.255.255.0
serial restart-delay 0
!
router ospf 110
log-adjacency-changes
area 12 range 199.172.16.0 255.255.252.0 //路由汇总
network 12.0.0.0 0.0.0.255 area 12
network 23.0.0.0 0.0.0.255 area 0
!
End
r3#sho run
!
interface Serial2/1
ip address 23.0.0.3 255.255.255.0
serial restart-delay 0
!
interface Serial2/2
ip address 34.0.0.3 255.255.255.0
serial restart-delay 0
!
router ospf 110
log-adjacency-changes
network 23.0.0.0 0.0.0.255 area 0
network 34.0.0.0 0.0.0.255 area 34
!
End
r4#sho run
!
interface Loopback0
ip address 151.100.32.1 255.255.255.0
!
interface Loopback1
ip address 151.100.33.1 255.255.255.0
!
interface Loopback2
ip address 151.100.34.1 255.255.255.0
!
interface Loopback3
ip address 151.100.35.1 255.255.255.0
!
interface Serial2/1
ip address 34.0.0.4 255.255.255.0
serial restart-delay 0
!
router ospf 110
log-adjacency-changes
summary-address 151.100.32.0 255.255.252.0
//路由汇总把区域外的路由条目汇总成一条,
redistribute connected subnets route-map hhh
//把域外的路由条目重分布到域内
network 34.0.0.0 0.0.0.255 area 34
!
route-map hhh permit 10
match interface Loopback0 Loopback1 Loopback2 Loopback3
!
End |
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