OSPF具体配置
启用OSPF动态路由协议
router ospf 进程号
进程号可以随意设置，只标识ospf为本路由器内的一个进程
定义参与ospf的子网.该子网属于哪一个OSPF路由信息交换区域。
network ip 子网号 通配符 area 区域号
路由器将限制只能在相同区域内交换子网信息，不同区域间不交换路由信息。另外，区域0为主干OSPF区域。不同区域交换路由信息必须经过区域0。一般地，某一区域要接入OSPF0路由区域，该区域必须至少有一台路由器为区域边缘路由器，即它既参与本区域路由又参与区域0路由。
OSPF区域间的路由信息总结
假如区域中的子网是连续的，则区域边缘路由器向外传播给路由信息时，采用路由总结功能后，路由器就会将所有这些连续的子网总结为一条路由传播给其它区域，则在其它区域内的路由器看到这个区域的路由就只有一条。这样可以节省路由时所需网络带宽。
设置对某一特定范围的子网进行总结：area 区域号 range 子网范围掩码
指明网络类型 在需要进行OSPF路由信息的端口中，设置：
ip ospf network broadcast或non-broadcast或point-to -mutlipoint
一般地，对于 DDN，帧中继和X.25属于非广播型的网络，即non-broadcast
对于非广播型的网络连接，需指明路由器的相邻路由器
neighbor 相邻路由器的相邻端口的IP地址
通过以上配置，路由器之间就可以完成交换路由信息了，其它设置，为了防止路由信息被窃取，可以对OSPF进行安全设置，只有合法的同一区域的路由器之间才能交换路由信息。
设置步骤
设置某区域使用安全设置MD5方式
area 区域标号 autherfication message-digest
可以采用明文方式 ，但建议采用MD5方式，较安全。
设置某端口验证其相邻路由器相邻端口时的MD5口令，在端口设置模式下
ip ospf message-digest-key 口令标号 MD5 口令字符串
其中，在同一区域的相邻路由器的相邻端口的口令标号及口令字符串必须相同，同一路由器的不同端口的MD5口令可以不同，也可以某些端口使用安全设置，某些端口不使用安全设置。
实例1 无安全，无路由总结的OSPF设置
2511－1的设置
Current configuration：
！
version 11.3
no service passWord-encryption
!
hostname 2511-1
!
enable password cisco
!
interface Ethernet0
ip address 192.4.1.1 255.255.255.0
!
interface Serial0
ip address 192.3.1.1 255.255.255.0
encapsulation frame-relay IETF
no ip mroute-cache
bandwidth 2000
frame-relay map ip 192.3.1.2 100 broadcast
frame-relay lmi-type cisco
!
interface Serial1
ip address 192.1.1.1 255.255.255.0
encapsulation ppp
bandwidth 64
!
router ospf 1
passive-interface Ethernet0
network 192.1.1.0 0.0.0.255 area 0
network 192.3.1.0 0.0.0.255 area 0
network 192.4.1.0 0.0.0.255 area 0
neighbor 192.1.1.2 priority 1
neighbor 192.3.1.2 priority 1
!
ip classless
!
line con 0
line 1 8
line aux 0
line vty 0 4
!
end
2505的设置
Current configuration:
!
version 11.2
no service udp-small-servers
no service tcp-small-servers
!
hostname 2505
!
enable secret 5 $1$GbYT$OR05giiLZxI4hEAO0F8kV1
!
hub ether 0 1
link-test
auto-polarity
!
hub ether 0 2
link-test
auto-polarity
!
hub ether 0 3
link-test
auto-polarity
!
hub ether 0 4
link-test
auto-polarity
!
hub ether 0 5
link-test
auto-polarity
!
hub ether 0 6
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
!
interface Serial0
ip address 192.1.2.1 255.255.255.0
ip ospf network non-broadcast
bandwidth 2000
clockrate 2000000
!
interface Serial1
ip address 192.1.1.2 255.255.255.0
enpsuration ppp
ip ospf network non-broadcast
bandwidth 64
clockrate 64000
!
router ospf 1
passive-interface Ethernet0
network 192.1.1.0 0.0.0.255 area 0
network 192.1.2.0 0.0.0.255 area 2
network 192.1.4.0 0.0.0.255 area 2
neighbor 192.1.1.1 priority 1
neighbor 192.1.2.2 priority 1
!
no ip classless
ip ospf name-lookup
!
line con 0
line aux 0
line vty 0 4
login
!
end
internal -2的设置
Current configuration :
!
version 11.2
no service udp-small-servers
no service tcp-small-servers
!
hostname internal-2
!
enable secret 5 $1$KX00$rTI/2TvDokWxT4xC6wvmi/
!
interface Ethernet0
no ip address
shutdown
!
interface Serial0
ip address 192.1.2.2 255.255.255.0
ip ospf network non-broadcast
!
interface Serial1
no ip address
shutdown
!
router ospf 1
network 192.1.2.0 0.0.0.255 area 2
neighbor 192.1.2.1 priority 1
!
no ip classless
!
line con 0
line 1 16
line aux 0
line vty 0 4
!
end
2514的设置
Current configuration :
!
version 11.2
no service udp-small-servers
no service tcp-small-servers
!
hostname 2514
!
enable secret 5 $1$uoHU$Vks/lY CRi33z4TXs4qekI0
!
frame-relay switching
!
interface Ethernet0
ip address 192.5.1.1 255.255.255.0
!
interface Ethernet1
no ip address
shutdown
!
interface Serial0
ip address 192.3.1.2 255.255.255.0
encapsulation frame-relay IETF
bandwidth 2000
clockrate 2000000
frame-relay map ip 192.3.1.1 100 broadcast
frame-relay intf-type dce
!
interface Serial1
ip address 192.2.1.1 255.255.255.0
no ip mroute-cache
encapsulation X25 dce
bandwidth 64
x25 address 1234
x25 htc 16
x25 nvc 4
x25 map ip 192.2.1.2 5678 broadcast
clockrate 64000
!
router ospf 1
passive-interface Ethernet0
network 192.3.1.0 0.0.0.255 area 0
network 192.2.1.0 0.0.0.255 area 0
network 192.5.1.0 0.0.0.255 area 0
neighbor 192.2.1.2 priority 1
neighbor 192.3.1.1 priority 1
!
no ip classless
!
line con 0
line aux 0
line vty 0 4
login
!
end
2511-2的设置
Building configuration ...
Current configuration:
!
version 11.3
no service password-encryption
!
hostname 2511-2
!
enable secret 5 $1$7o5F$MSyFWzVf6JBgnjLJghHSB.
!
interface Ethernet0
ip address 192.2.4.1 255.255.255.0
!
interface Serial0
ip address 192.2.1.2 255.255.255.0
encapsulation x25
no ip mroute-cache
x25 address 5678
x25 htc 16
x25 nvc 4
x25 map ip 192.2.1.1 1234 broadcast
!
interface Serial1
ip address 192.2.2.1 255.255.255.0
ip ospf network non-broadcast
no ip mroute-cache
bandwidth 2000
clockrate 2000000
!
router ospf 1
passive-interface Ethernet0
network 192.2.2.0 0.0.0.255 area 1
network 192.2.4.0 0.0.0.255 area 1
network 192.2.1.0 0.0.0.255 area 0
neighbor 192.2.1.1 piority 1
neighbor 192.2.2.2 piority 1
!
ip classless
!
line con 0
line 1 8
line aux 0
line vty 0 4
!
end
internal -1的设置
Building configuration...
Current configuration:
!
version 11.2
no service udp-small-servers
no service tcp-small-servers
!
hostname internal-1
!
enable secret 5 $1$cF2M$z2T8Ohij5q/yn2RsiVaGE/
!
interface Ethernet0
no ip address
shutdown
!
interface Serial0
ip address 192.2.2.2 255.255.255.0
ip ospf network non-broadcast
!
interface Serial1
no ip address
shutdown
!
router ospf 10
network 192.2.2.0 0.0.0.255 area 1
neighbor 192.2.2.1 priority 1
!
no ip classless
!
line con 0
line 1 16
line aux 0
line vty 0 4
login
!
end
实例2 有安全，路由总结的OSPF设置
internal-2的设置
Current configuration :
!
version 11.2
no service udp-small-servers
no service tcp-small-servers
!
hostname internal-2
!
enable secret 5 $1$KX00$rTI/2TvDokWxT4xC6wvmi/
!
interface Ethernet0
no ip address
shutdown
!
interface Serial0
ip address 192.1.2.2 255.255.255.0
ip ospf message-digest-key 1 md5 cisco
ip ospf network non-broadcast
!
interface Serial1
no ip address
shutdown
!
router ospf 1
network 192.1.2.0 0.0.0.255 area 2
neighbor 192.1.2.1 priority 1
area 2 authentication message-digest
!
no ip classless
!
line con 0
line 1 16
line aux 0
line vty 0 4
login
!
end
2505的设置
Current configuration:
!
version 11.2
no service udp-small-servers
no service tcp-small-servers
!
hostname 2505
!
enable secret 5 $1$b43o$CpEYSTC2EPwnR1QGvIm//
!
username 2511-1 password 7 104D000A0618
!
hub ether 0 1
link-test
auto-polarity
!
hub ether 0 2
link-test
auto-polarity
!
hub ether 0 3
link-test
auto-polarity
!
hub ether 0 4
link-test
auto-polarity
!
hub ether 0 5
link-test
auto-polarity
!
hub ether 0 6
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
!
interface Serial0
ip address 192.1.2.1 255.255.255.0
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
enpsulation ppp
ip ospf message-digest -key 1 md5 kim
ip ospf network non-broadcast
bandwidth 64
clockrate 64000
ppp authentication chap
!
router ospf 1
passive-interface Ethernet0
network 192.1.2.0 0.0.0.255 area 2
network 192.1.4.0 0.0.0.255 area 2
network 192.7.1.0 0.0.0.255 area 0
neighbor 192.7.1.1 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
line vty 0 4
login
!
end
2511－1的设置
Current configuration：
！
version 11.3
no service password-encryption
!
hostname 2511-1
!
enable password cisco
!
username 2505 passweord 0 cisco
no ip domain-lookup
!
interface Ethernet0
ip address 192.4.1.1 255.255.255.0
!
interface Serial0
ip address 192.3.1.1 255.255.255.0
encapsulation frame-relay IETF
ip ospf message-digest-key 1 md5 kim
no ip mroute-cache
bandwidth 2000
frame-relay map ip 192.3.1.2 100 broadcast
frame-relay lmi-type cisco
!
interface Serial1
ip address 192.7.1.1 255.255.255.0
encapsulation ppp
ip ospf message-digest-key 1 md5 kim
ip ospf network non-broadcast
bandwidth 64
ppp authentication chap
!
router ospf 1
passive-interface Ethernet0
network 192.3.1.0 0.0.0.255 area 0
network 192.4.1.0 0.0.0.255 area 0
network 192.7.1.0 0.0.0.255 area 0
neighbor 192.7.1.2 priority 1
neighbor 192.3.1.2 priority 1
area 0 authentication message-digest
!
no ip classless
!
line con 0
line 1 8
line aux 0
line vty 0 4
login
!
end
2514的设置
Current configuration :
!
version 11.2
no service udp-small-servers
no service tcp-small-servers
!
hostname 2514
!
enable secret 5 $1$uoHU$Vks/lY CRi33z4TXs4qekI0
!
frame-relay switching
!
interface Ethernet0
ip address 192.5.1.1 255.255.255.0
!
interface Ethernet1
no ip address
shutdown
!
interface Serial0
ip address 192.3.1.2 255.255.255.0
encapsulation frame-relay IETF
ip ospf message-digest-key 1 md5 kim
bandwidth 2000
clockrate 2000000
frame-relay map ip 192.3.1.1 100 broadcast
frame-relay intf-type dce
!
interface Serial1
ip address 192.8.1.1 255.255.255.0
no ip mroute-cache
encapsulation X25 dce
ip ospf message-digest-key 2 md5 cisco
bandwidth 64
x25 address 1234
x25 htc 16
x25 nvc 4
x25 map ip 192.8.1.2 5678 broadcast
clockrate 64000
!
router ospf 1
network 192.3.1.0 0.0.0.255 area 0
network 192.5.1.0 0.0.0.255 area 0
network 192.8.1.0 0.0.0.255 area 0
neighbor 192.8.1.2 priority 1
neighbor 192.3.1.1 priority 1
area 0 authentication message-digest
!
no ip classless
!
line con 0
line aux 0
line vty 0 4
login
!
end
2511-2的设置
Current configuration :
version 11.3
no service password-encryption
!
hostname 2511-2
!
enable secret 5 $1$7o5F$MSyFWzVf6JBgnjLJghHSB.
!
!
interface Ethernet0
ip address 192.2.4.1 255.255.255.0
!
interface Serial0
ip address 192.8.1.2 255.255.255.0
encapsulation x25
ip ospf message-digest-key 2 md5 cisco
no ip mroute-cache
x25 address 5678
x25 htc 16
x25 nvc 4
x25 map ip 192.8.1.1 1234 broadcast
!
interface Serial1
ip address 192.2.2.1 255.255.255.0
ip ospf authentication-key kim
ip ospf network non-broadcast
no ip mroute-cache
bandwidth 2000
clockrate 2000000
!
router ospf 1
passive-interface Ethernet0
network 192.2.2.0 0.0.0.255 area 1
network 192.2.4.0 0.0.0.255 area 1
network 192.8.1.0 0.0.0.255 area 0
neighbor 192.8.1.1 priority 1
neighbor 192.2.2.2 priority 1
area 0 authentication message-digest
area 1 authentication (疑应加上message-digest，但原文如此)
area 1 range 192.2.0.0 255.255.0.0
!
ip classless
!
line con 0
line 1 8
line aux 0
line vty 0 4
login
!
end
internal -1的设置
Building configuration...
Current configuration:
!
version 11.2
no service udp-small-servers
no service tcp-small-servers
!
hostname internal-1
!
enable secret 5 $1$cF2M$z2T8Ohij5q/yn2RsiVaGE/
!
interface Ethernet0
no ip address
shutdown
!
interface Serial0
ip address 192.2.2.2 255.255.255.0
ip ospf authentication-key kim
ip ospf network non-broadcast
!
interface Serial1
no ip address
shutdown
!
router ospf 1
network 92.2.2.0 0.0.0.255 area 1
neighbor 192.2.2.1 priority 1
area 1authentication
!
no ip classless
!
line con 0
line 1 16
line aux 0
line vty 0 4
login
!
end
