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link-test
auto-polarity
!
hub ether 0 7
link-test
auto-polarity
!
hub ether 0 8
link-test
auto-polarity
!
interface Ethernet0
ip address 192.1.4.1 255.255.255.0
!
interfacc Serial0
ip address 192.l.2.1 255.255.255.0
ip ospf message-digest-key 1 md5 cisco
ip ospf network non-broadcast
bandwidth 2000
clockrate 2000000
!
interface Serial1
ip address 192.7.1.2 255.255.255.0
encapsulation ppp
ip ospf message-digdest-key 1 md5 kim
ip ospf network non-broadcast
bandwidth 64
clockrate 64000
ppp authentication chap
!
router ospf 1
passive-interface Ethernet0
network 192.l.2.0 0.0.0.255 area 2
network 192.l.4.O 0.0.0.255 area 2
network 192.7.1.0 0.0.0.255 area 0
neighbor 192.7.l.1 priority 1
neighbor 192.1.2.2 priority 1
area 0 authentication message-digest
area 2 authentication message-digest
area 2 range 192.1.0.0 255.255.0.0
!
no ip classless
ip ospf name-lookup
!
line con 0
line aux 0
Iine vty 0 4
login
!
end线路备份 其实,在广域网连接中,最不可靠的因素大多数情况下是出在线路、端口及外接的设备上。相对来说线路备份更为重要。
线路备份一般有几种主要方法:
· 采用动态路由自动进行备份
· 采用显示backup(备份)方法进入备份
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